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ROZPIĘTOŚĆ |
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L= |
14,50 |
m |
14500 |
mm |
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XXXXX |
komórki które trzeba zedytować |
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WYSOKOŚĆ |
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h/l=1/ |
3 |
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XXXXX |
komórki które mogą być te same |
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H= |
4,83 |
m |
4833,33333333333 |
mm |
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ROZSTYAW DZWIGARÓW |
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a= |
1,20 |
m |
1200 |
mm |
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DREWNO LITE KL C |
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30 |
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POKRYCIE DACZU |
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gont bitumiczny |
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BUDYNEK O WYMIARACH |
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OBC. ŚNIEGIEM |
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2 |
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OBC. WIATREM |
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2 |
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1.0 |
Geometria |
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tg α = |
0,67 |
=> |
α = |
33,6900675259798 |
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cos α = |
0,832 |
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sin α = |
0,555 |
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L1 = |
4356,70779118565 |
mm |
4,357 |
m |
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L2= |
2904,47186079043 |
mm |
2,904 |
m |
Przyjęto |
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pas górny |
80 |
x |
190 |
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L3= |
5236,11111111111 |
mm |
5,236 |
m |
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pas dolny |
80 |
x |
150 |
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L4= |
5236,11111111111 |
mm |
5,236 |
m |
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krzyżulec |
70 |
x |
80 |
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L5= |
4027,77777777778 |
mm |
4,028 |
m |
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2.0 Zestawienie obciążeń |
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2.1 Stałe dachu |
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γf |
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dachówka ceramiczna |
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0,460 |
1,2 |
0,552 |
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zabaczyć w notatkach i rozbić łaty i folię |
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łaty + folia |
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0,065 |
1,2 |
0,078 |
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q1k= |
0,710 |
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q1d= |
0,852 |
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2.2 Stałe stropu podwieszonego (pasa dolnego) |
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γf |
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Płyta GKF 12,5mm |
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0,150 |
1,2 |
0,180 |
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listwy 0,06*0,032*6 |
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0,031 |
1,1 |
0,034 |
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Folia aluminiowa |
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0,015 |
1,2 |
0,018 |
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Wełna mineralna 15cm |
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0,150 |
1,2 |
0,180 |
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q2k= |
0,340 |
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q2d= |
0,410 |
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2.3 Ciężar własny dachu |
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γf |
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g3kd= |
0,014 |
*L= |
0,203 |
1,1 |
0,223 |
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2.4 Obciążenie śniegiem |
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s=qk*C |
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γf |
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C=0,8+0,4*(α-15)/15 |
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0,947 |
1,4 |
1,326 |
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2.5 Obciążenie wiatrem |
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I wariant |
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q1= |
0,35 |
II strefa |
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Ce= |
1 |
teren A |
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β= |
1,8 |
bud niepodpiwniczony |
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C2(n)=0,015*α-0,2= |
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0,305351012889697 |
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C2(z)= |
-0,4 |
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qk |
γf |
qd |
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nawietrana |
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W1kd= |
q1*Ce*β*C2= |
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0,192 |
1,3 |
0,250 |
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zawietrzna |
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W2kd= |
q1*Ce*β*C2= |
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-0,252 |
1,3 |
-0,328 |
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II wariant |
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C2'= -0,045*(40-α) = |
-0,28394696133091 |
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qk |
γf |
qd |
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W1kd'= |
q1*Ce*β*C2'= |
-0,179 |
1,3 |
-0,233 |
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W2kd'= |
q1*Ce*β*C2= |
-0,252 |
1,3 |
-0,328 |
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3.0 Obliczenia sił obciążeń w węzłach kratownicy |
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3.1 Od obciążeń stałych i śniegu |
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0,5 g3 |
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a) pasa górnego |
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P1k(g1)= |
3,712 |
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P1k(g3)= |
0,442 |
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P1k(s)= |
4,119 |
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P1d(g1)= |
4,454 |
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P1d(g3)= |
0,971 |
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P1d(s)= |
5,767 |
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całkowite obciążenie w węźle pasa górnego |
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P1k= |
8,273 |
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P1d= |
11,19 |
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b) pasa dolnego |
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P2k(g2)= |
1,890 |
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P2k(g3)= |
0,564 |
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P2d(g2)= |
2,279 |
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P2d(g3)= |
0,621 |
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całkowite obciążenie w węźle pasa dolnego |
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P2k= |
2,454 |
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P2d= |
2,900 |
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3.2 Obciążenie skupione od wiatru |
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I wariant |
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W1k= |
0,905 |
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W2k= |
-1,19 |
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II wariant |
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W1k'= |
-0,84 |
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W2k'= |
-1,19 |
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W1d= |
1,177 |
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W2d= |
-1,54 |
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W1d'= |
-1,09 |
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W2d'= |
-1,54 |
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4.0 Siły wewnętrzne w prętach układu |
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4.1 Siły Mi1 od obciążeń jednostkowych węzłów |
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1 |
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2 |
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3 |
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4 |
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SIŁY |
Obciążenie jednostkowe węzłów |
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P1=1 |
P2=1 |
W1=1 |
W2=1 |
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1 |
G1 |
-2,70 |
-1,80 |
-1,18 |
-1,08 |
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2 |
G2 |
-2,13 |
-1,80 |
-1,18 |
-1,08 |
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3 |
G1' |
-2,70 |
-1,80 |
-1,08 |
-1,18 |
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4 |
G2' |
-2,13 |
-1,80 |
-1,08 |
-1,18 |
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5 |
D1 |
2,24 |
1,50 |
0,70 |
0,90 |
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6 |
D2 |
1,49 |
1,07 |
-0,20 |
0,90 |
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7 |
D1' |
2,24 |
1,50 |
-0,20 |
1,80 |
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8 |
K1 |
-0,84 |
0,00 |
-1,00 |
0,00 |
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9 |
K1' |
-0,84 |
0,00 |
0,00 |
-1,00 |
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10 |
K2 |
0,75 |
1,10 |
0,90 |
0,00 |
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11 |
K2' |
0,75 |
1,10 |
0,00 |
0,90 |
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4.2 Siły wewmętrzne w prętach kratownicy |
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Siły |
Obciążenia węzłów obliczeniowych |
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P1d= |
11,19 |
P2d= |
2,900 |
W1d |
W2d |
Ekstr |
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G1, G1' |
-30,221 |
-5,219 |
-1,39 |
1,66 |
-36,828 |
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G2, G2' |
-23,841 |
-5,219 |
-1,39 |
1,66 |
-29,060 |
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D1, D1' |
25,072 |
4,349 |
1,18 |
1,82 |
29,421 |
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D2 |
16,677 |
3,102 |
1,18 |
1,82 |
19,780 |
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K1, K1' |
-9,402 |
0,000 |
0,82 |
-1,39 |
-8,578 |
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K2, K2' |
8,395 |
3,189 |
0,22 |
-1,39 |
11,803 |
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4.3 Momenty zginające pasa górnego |
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3,334 |
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4,449 |
KNm |
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-7,911 |
KNm |
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4.4 Wymiarowanie prętów układu |
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Stan graniczny nośności nad podporą da się określić według zależności: |
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Wytrzymałości obliczeniowe materiału |
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-drewno kl C |
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30 |
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- charakterystyczne |
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fmk= |
30 |
MPa |
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fcok= |
23 |
MPa |
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ft0k= |
18 |
MPa |
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Eo,mean= |
12000 |
MPa |
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E0.05= |
8000 |
MPa |
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ρmean= |
460 |
kg/m3 |
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ρk= |
380 |
kg/m3 |
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kmod= |
klasa użytkowania 2 |
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klasa trwania obciążenia |
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stałe |
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śnieg - średniotrwałe |
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wiatr - krótkotrwałe |
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materiał - drewno lite |
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- drewno lite |
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γm= |
1,3 |
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kmod= |
0,9 |
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βc= |
0,2 |
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f cod= |
15,9230769230769 |
MPa |
na ściskanie |
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f tod= |
12,46 |
MPa |
na rozciąganie |
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f myd= |
20,77 |
MPa |
w obu kierunkach |
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Parametry przekroju |
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pas górny |
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80 |
x |
190 |
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pole powierzchni przekroju Ad= |
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15200 |
mm2 |
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Wy= |
481,333333333333 |
x10^3 mm3 |
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Jy= |
54,91 |
mm |
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4357 |
mm |
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Jz= |
23,12 |
mm |
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smukłość |
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79,3 |
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4.5 Nośność pasa górnego |
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Nad podporą Kcy=1 |
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2,42 |
N/mm2 => |
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2,42 |
Mpa |
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16,44 |
Mpa |
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0,815 |
< 1 |
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waunek spełniony |
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. |
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W przęśle |
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12,53 |
Mpa |
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1,503 |
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1,355 |
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0,464 |
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2,42 |
N/mm2 => |
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2,42 |
Mpa |
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9,24 |
Mpa |
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0,773 |
< 1 |
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waunek spełniony |
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. |
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4.6 Nośność pasa dolnego |
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5236 |
4028 |
5236 |
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1 |
0,77 |
1 |
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0,626 |
kN/m |
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α1= |
0,09 |
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źle |
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αp= |
-0,09 |
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źle |
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Dla |
1 |
0,77 |
1 |
przyjęto 1 |
|
0,80 |
1 |
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α2= |
-0,01 |
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źle |
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1,4691 |
kNm |
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-0,1013 |
kNm |
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-1,4743 |
kNm |
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Warunek nośności |
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Pas dolny przyjęto |
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80 |
150 |
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Anet= |
12000 |
mm2 |
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σ tod= |
2,452 |
N/mm2 |
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Wn= |
300,0 |
x10^3mm3 |
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σ myd= |
4,91 |
N/mm3 |
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D1d= |
29,42 |
kN |
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Mpd= |
-1,47 |
kNm |
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Za duży zapas. Zredukować przekrój belki, w poz.1.0. |
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0,433 |
< 1 |
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waunek spełniony |
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. |
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4.7 Nośność krzyżulca |
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Przyjęto przekrój krzyżulca |
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b= |
70 |
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h= |
80 |
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Ad=b*h= |
5600 |
|
f cod= |
15,9230769230769 |
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βc= |
0,2 |
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i=0,289*b= |
20,23 |
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λ cz=L2/i= |
143,6 |
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0,155 |
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2,452 |
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3,83 |
Mpa |
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3,700 |
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1,53 |
Mpa |
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0,623 |
< 1 |
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waunek spełniony |
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. |
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5.0 Złącza na płytki kolczaste |
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WĘZEŁ A |
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a= |
228,35 |
> B |
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L1= |
342,53 |
> L |
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Przyjmuję płytkę M16 |
B= |
229 |
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L= |
305 |
(tab. 7-2) |
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F1 = |
100 |
N/cm2 - nośność obliczeniowa płytek typu M16 z uwagi na docisk |
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kloców do drewna (z tab. 7-9 β=0 i α= |
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33,6900675259798 |
) |
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Wymagana powierzchnia docisku kolców do otaczającego drewna . |
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Pas górny |
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Pas dolny |
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η= |
0,65 |
(tab 7.12) |
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η= |
0,8 |
(tab 7-12) |
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283,30 |
cm2 |
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183,883218108665 |
cm2 |
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Rzeczywiste powierzchnie netto płytki |
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Pas górny |
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A g net= B' *L' *0,5 |
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L1= |
342,5 |
mm |
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B'=B-10= |
209 |
mm |
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L'=L-10= |
285 |
mm |
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A g net= |
297,825 |
cm2 > |
283,30 |
cm2 |
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waunek spełniony |
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. |
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Pas dolny |
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L2= |
225,0 |
mm |
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B'= |
130 |
mm |
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L'= |
215,0 |
mm |
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A d net= |
230,75 |
cm2 > |
183,88 |
cm2 |
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waunek spełniony |
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. |
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Ostatecznie przyjęto płytkę M16 |
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229 |
305
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mm |
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Scinanie |
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446,041906762912 |
N/cm |
|
412,8 |
mm |
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α = |
30 |
F1v = |
535 |
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α = |
33,6900675259798 |
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F1v = |
567 |
> Fv= |
446 |
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α = |
45 |
F1v = |
665 |
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waunek spełniony |
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(z tabeli 7-11 z interpolacji liniowej) |
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. |
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WĘZEŁ B |
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- Pas górny |
|
PIId = G1d - G2d = |
7,768 |
kN |
bk= |
80 |
mm |
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P1d= |
11,19 |
kN |
l1= |
185 |
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P1┴ = |
9,313 |
kN |
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tg α = |
0,834147283644889 |
=> α= |
39,83 |
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12,13 |
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tg β = |
1,19882905526036 |
=> β= |
50,17 |
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Przyjęto szerokość płytki M16 B= |
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|
76 |
(tab 7-2) |
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β = |
45 |
F1 = |
77 |
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β = |
50,17 |
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F1v = |
75 |
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β = |
60 |
F1 = |
70 |
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(z tabeli 7-9 z interpolacji liniowej) |
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- Wymagana powierzchnia płytki |
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81,30 |
cm2 |
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Rzeczywista powierzchnia |
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A g net = |
99,00 |
> |
81,30 |
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waunek spełniony |
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. |
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- Krzyżulec |
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K1d= |
8,58 |
kN |
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42,89 |
cm2 |
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F1k1= |
100 |
N/cm2 - nośność obliczeniowa płytek typu M16 z uwagi na docisk |
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kloców do drewna (z tab. 7-9 β=0 i α=0 |
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interpolowana liniowo) |
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według tab 7-2 przyjmuję długość L= |
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305 |
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L1= |
185 |
mm |
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L2= |
120 |
mm |
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A k net = (bk-20)*(L1-20) |
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A k net = |
60,00 |
>
|
42,89 |
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|
waunek spełniony |
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- Ścięcie płytki |
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Nośność obliczeniowa płytek typu M16 na ścinanie F1v [N/cm] z tablicy 7-11 dla: |
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α = |
90 |
F1v = |
570 |
N/cm |
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|
736,373884586067 |
N/cm |
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lv = |
76,0 |
mm |
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F1v = |
570 |
> Fv= |
736,4 |
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. |
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warunek nie spełniony |
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Ostatecznie przyjęto płytkę M16 |
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76 |
305 |
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WĘZEŁ D |
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D II= d1d - D2d = |
9,641 |
kN |
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D┴ =P2d = |
2,900 |
kN |
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|
10,07 |
kN |
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Przyjęto płytki M16 o wymiarach |
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|
152
|
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|
- Zakotwienie płytki w pasie dolnym |
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0,30 |
=> β = |
16,74 |
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F1d = |
92 |
N/cm2 - nośność obliczeniowa płytek typu M16 z uwagi na docisk |
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kloców do drewna (z tab. 7-9 β=15 i α=15) |
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54,72 |
cm2 |
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8,58 |
kN |
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44,5720166206837 |
cm2 |
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F1k1= |
96 |
N/cm2 - nośność obliczeniowa płytek typu M16 z uwagi na docisk |
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α = |
45 |
F1 = |
100 |
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kloców do drewna (z tab. 7-9 β=0 i α=90- |
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|
33,6900675259798
|
interpolowana liniowo) |
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α = |
56,31 |
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F1v = |
96 |
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α = |
60 |
F1 = |
95 |
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|
- Zakotwienie płytki w krzyżulcu K2 = |
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11,80 |
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(z tabeli 7-9 z interpolacji liniowej) |
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69,2988821700424 |
cm2 |
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|
arc tg |
2,4 |
=> |
67,3801350519596 |
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F2k= |
85 |
N/cm2 - nośność obliczeniowa płytek typu M16 z uwagi na docisk |
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α = |
60 |
F1 = |
95 |
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|
kloców do drewna (z tab. 7-9 β=0 i α= |
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|
67,4 |
interpolowana liniowo) |
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α = |
67,38 |
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F1v = |
85 |
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α = |
75 |
F1 = |
75 |
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|
Sprawdzenie powierzchni efektywnych: |
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αk1 = |
56,3099324740202 |
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|
(z tabeli 7-9 z interpolacji liniowej) |
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Ak1n= |
47,6 |
> |
Ak1 = |
44,57 |
sin |
56,3099324740202 |
=> |
0,832 |
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Ak2n= |
42,9 |
> |
Ak1 = |
69,30 |
sin |
67,3801350519596 |
=> |
0,923 |
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Adn= |
201,3 |
> |
Ak2 = |
54,72 |
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- ścięcie płytek |
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lv = |
305
|
cm |
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F1v = |
450 |
N/cm odczytana z tab 7-11 dla α=0 i M16 |
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V = DII = |
9,641 |
kN |
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158,1 |
< |
450 |
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|
waunek spełniony |
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. |
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Ostatecznie przyjęto w węźle D płytkę 2xM16 o wymiarach |
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|
152
|
305 |
mm |
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|
WĘZEŁ C |
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|
- Zakotwienie płytki w pasie górnym ze względu na siłę P1d. |
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F1 = |
58 |
N/cm2 - nośność obliczeniowa płytek typu M16 z uwagi na docisk |
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β = |
30 |
F1 = |
58 |
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|
kloców do drewna (z tab. 7-9 β= |
|
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|
|
33,6900675259798 |
i α=90 interpolowana liniowo) |
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β = |
33,69 |
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F1v = |
58 |
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β = |
45 |
F1 = |
57 |
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|
Przyjęto płytki M16 o szerokości B= |
|
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|
114 |
mm i długości L= |
|
|
203 |
mm |
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|
(z tabeli 7-9 z interpolacji liniowej) |
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0,55*B < 0,5*L |
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62,7 |
mm < |
|
101,5 |
mm |
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P1d = |
11,19 |
kN |
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48,45 |
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Apn = |
60,078 |
> |
48,45 |
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|
waunek spełniony |
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. |
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|
- Ścięcie płytki |
|
|
lv = |
114,0 |
mm |
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|
Nośność obliczeniowa płytek typu M16 na ścinanie F1v [N/cm] z tablicy 7-11 dla: |
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α = |
90 |
F1v = |
570 |
N/cm |
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|
490,9 |
N/cm |
F1v > Fv |
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|
570 |
> |
490,9 |
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|
waunek spełniony |
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. |
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Ostatecznie przyjęto w węźle C płytkę 2xM16 o wymiarach |
|
|
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|
|
114
|
203 |
mm |
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|
- Zakotwienie płytki dolnej w krzyżulcu K2 |
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|
Przyjęto płytki M16 o wymiarach |
|
|
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|
171
|
mm |
|
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|
K2d = |
11,80 |
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|
69,30 |
cm2 |
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F1 = |
85 |
N/cm2 - nośność obliczeniowa płytek typu M16 z uwagi na docisk |
|
|
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|
|
α = |
60 |
F1 = |
95 |
|
|
|
|
kloców do drewna (z tab. 7-9 β=0 i α= |
|
|
|
|
|
67,4 |
interpolowana liniowo) |
|
|
|
|
|
α = |
67,38 |
|
|
F1v = |
85 |
|
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|
|
α = |
75 |
F1 = |
75 |
|
|
- Zakotwienie płytki dolnej w pasie górnym |
|
|
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|
|
(z tabeli 7-9 z interpolacji liniowej) |
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|
|
K2d = |
11,80 |
|
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|
φ1 = φk2 - φG = |
33,7 |
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|
G2d-1= K2d *cosφ1 = |
10 |
kN |
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|
49,10 |
cm3 |
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|
|
F1 = |
100 |
N/cm2 - nośność obliczeniowa płytek typu M16 z uwagi na docisk |
|
|
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|
|
kloców do drewna (z tab. 7-9 β=0 i α= |
|
|
|
|
|
33,6900675259798 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
Przyjęto płytki M16 o wymiarach |
|
|
|
|
171 |
407 |
mm |
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|
Sprawdzenie powierzchni efektywnych: |
|
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|
|
|
10,6 |
|
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|
|
Ag2n = |
92,88 |
> Ag2= |
|
49,10 |
cm3 |
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|
waunek spełniony |
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. |
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|
Ak2n = |
67,58 |
> Ak2= |
|
69,30 |
cm2 |
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warunek nie spełniony |
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- sprawdzenie wytrzymałości płytki na ścinanie |
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lv = 0,5*L/cosα = |
24,46 |
cm |
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Nośność obliczeniowa płytek typu M16 na ścinanie F1v [N/cm] z tablicy 7-11 dla: |
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α = |
33,6900675259798 |
F1v = |
567 |
N/cm |
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β = |
30 |
F1 = |
535 |
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200,8 |
N/cm |
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β = |
33,70 |
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F1v = |
567 |
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β = |
45 |
F1 = |
665 |
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(z tabeli 7-11) |
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F1v > Fv |
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567,066666666667 |
> |
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200,8 |
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waunek spełniony |
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. |
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Ostatecznie przyjęto w węźle C płytkę 2xM16 o wymiarach |
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171
|
407 |
mm |
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6.0 Połączenie pasa dolnego na długości |
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Połączenie przyjęto w punkcie przęsła środkowego gdzie nie występuje moment zginający, |
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w odległości od węzła D wynoszącej: |
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le = 0,2*l= |
805,555555555556 |
mm |
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W punkcie E działa siła podłużna rozciągająca Nd2= |
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19,78 |
kN oraz obciążenie pasa: |
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qd = |
0,6285 |
kN/m |
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0,7594375 |
kN |
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Me = 0 |
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Przyjęto płytki M16 o szerokości |
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76 |
mm |
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. |
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Wypadkowa |
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Wd = |
19,7944393742974 |
kN |
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Potrzedna powierzchnia płytki M16 (dla β=0, F1= |
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100 |
N/cm2 ) |
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arc tgε = |
0,038394472123056 |
=> ε= |
2,19876120969638 |
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An = |
98,972196871487 |
cm2 |
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Potrzebna długość płytki: |
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lp > An/b = |
13,0226574830904 |
cm |
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0,55*b= |
41,8 |
< |
130,226574830904 |
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warunek producenta nie został spełniony |
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Zastosowano połączenia na gwoździe jednocięte |
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Zastosowano nakładki grubości |
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25 |
mm i gwoździe jednocięte |
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d= |
3,5
|
90 |
mm |
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Obliczenie nośności gwoździ na 1 cięcie: |
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t1 = |
25 |
mm |
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l2 = |
58,75 |
mm |
> |
80 |
mm |
gwoździe nie mogą być wbijane w jednej osi |
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t2 = |
80 |
mm |
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= |
14,8141314116885 |
Mpa |
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= |
1296,23649852275 |
N |
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4147,95679527279 |
N |
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1383 |
N |
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4250,66359263647 |
Nmm |
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1578,81314807042 |
N |
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646,836193182045 |
N |
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730,311550119691 |
N |
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647 |
N |
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n= |
15,3 |
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toteż przyjęto |
16 |
gwoździ z każdej strony styku oraz z każdej steony elementu. |
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Rozmieszczenie gwoździ |
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(5+5*cosα)*d= |
35 |
mm |
|
- rozstaw wzdłuż włókien |
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5 * d = |
17,5 |
mm |
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- rozstaw prostopadły do włókien |
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5 * d = |
17,5 |
mm |
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- odl. od krawędzi nieobc. prostop. do włukien |
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prz. |
20 |
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(5+5*sinα)*d= |
18,2 |
mm |
|
- odl.od krawędzi obc. prostop. do włókien |
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prz. |
20 |
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10*d = |
35 |
mm |
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- odl. od końca nieobc. wzdł. Włókien |
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prz. |
40 |
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(10 + 5 * cosα)*d= |
|
52,5 |
mm |
- odl.od końca odc. wzdł. Włókien |
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prz. |
60 |
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Liczba szeregów gwoździ w pasie |
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|
6,28571428571429 |
|
przyjęto |
7 |
szeregi co |
|
20 |
mm |
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Liczba rzędów gwoździ w pasie |
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4,57142857142857 |
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Długość nakładek |
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480 |
mm |
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II Stan graniczny użytkowalności |
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(Ugięcie dźwigara kratowego) |
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Ugięcie od obciążeń stałych |
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Obciążenie charakterystyczne w węzłach układu |
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4,153 |
kN |
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2,454 |
kN |
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Pręty |
Długość |
Pole |
Ni1 |
Nik' [N] |
Ni2 |
Nik'' [N] |
Nik= |
U inst |
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przek |
P1=1 |
4,153 |
P2=1 |
2,454 |
Nik'+Nik'' |
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G1 |
4357 |
15200 |
-2,7 |
-11214 |
-1,8 |
-4417 |
-15631 |
0,6721 |
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G2 |
4357 |
15200 |
-2,13 |
-8847 |
-1,8 |
-4417 |
-13264 |
0,5703 |
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G1' |
4357 |
15200 |
-2,7 |
-11214 |
-1,8 |
-4417 |
-15631 |
0,6721 |
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G2' |
4357 |
15200 |
-2,13 |
-8847 |
-1,8 |
-4417 |
-13264 |
0,5703 |
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D1 |
5236 |
12000 |
2,24 |
9304 |
1,5 |
3681 |
12985 |
0,7082 |
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D2 |
4028 |
12000 |
1,49 |
6189 |
1,07 |
2626 |
8814 |
0,2638 |
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D1' |
5236 |
12000 |
2,24 |
9304 |
1,5 |
3681 |
12985 |
0,7082 |
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K1 |
2904 |
5600 |
-0,84 |
-3489 |
0 |
0 |
-3489 |
0,0000 |
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K1' |
2904 |
5600 |
-0,84 |
-3489 |
0 |
0 |
-3489 |
0,0000 |
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K2 |
5236 |
5600 |
0,75 |
3115 |
1,1 |
2699 |
5814 |
0,4984 |
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K2' |
5236 |
5600 |
0,75 |
3115 |
1,1 |
2699 |
5814 |
0,4984 |
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Σ = |
5,1616 |
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U inst = 0,5 * Σ = |
|
|
2,58081424469992 |
mm |
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2,58081424469992 |
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4,12930279151988 |
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od śniegu |
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Pręty |
Długość |
Pole |
Ni1 |
Nik' [N] |
Ni1od P2 |
u |
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przek |
P1=1 |
4,119 |
P2=1 |
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G1 |
4357 |
15200 |
-2,7 |
-11123 |
-1,8 |
0,410 |
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G2 |
4357 |
15200 |
-2,13 |
-8774 |
-1,8 |
0,323 |
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G1' |
4357 |
15200 |
-2,7 |
-11123 |
-1,8 |
0,410 |
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G2' |
4357 |
15200 |
-2,13 |
-8774 |
-1,8 |
0,323 |
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D1 |
5236 |
12000 |
2,24 |
9228 |
1,5 |
0,431 |
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D2 |
4028 |
12000 |
1,49 |
6138 |
1,07 |
0,157 |
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D1' |
5236 |
12000 |
2,24 |
9228 |
1,5 |
0,431 |
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K1 |
2904 |
5600 |
-0,84 |
-3460 |
0 |
0,000 |
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K1' |
2904 |
5600 |
-0,84 |
-3460 |
0 |
0,000 |
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K2 |
5236 |
5600 |
0,75 |
3090 |
1,1 |
0,227 |
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K2' |
5236 |
5600 |
0,75 |
3090 |
1,1 |
0,227 |
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Σ = |
2,9407 |
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U inst = 0,5 * Σ = |
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1,47034546296682 |
mm |
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1,47034546296682 |
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1,83793182870852 |
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od wiatru |
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sprawdz czy te wartości są właściwe dobrane |
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Pręty |
Długość |
Pole |
Ni1 |
Nik(W) od |
Ni1 od |
Nik(W) od |
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Ni2 |
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przek |
W1=1 |
Wn1k= |
0,905 |
W2=-1 |
Wo2k= |
-1,19 |
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P2=1 |
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G1 |
4357 |
15200 |
-1,18 |
-1068,08 |
-1,08 |
1280,58 |
212 |
-1,8 |
-0,008 |
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G2 |
4357 |
15200 |
-1,18 |
-1068,08 |
-1,08 |
1280,58 |
212 |
-1,8 |
-0,008 |
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G1' |
4357 |
15200 |
-1,08 |
-977,57 |
-1,18 |
1399,15 |
422 |
-1,8 |
-0,016 |
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G2' |
4357 |
15200 |
-1,08 |
-977,57 |
-1,18 |
1399,15 |
422 |
-1,8 |
-0,016 |
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D1 |
5236 |
12000 |
0,7 |
633,61 |
0,9 |
-1067,15 |
-434 |
1,5 |
-0,020 |
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D2 |
4028 |
12000 |
-0,2 |
-181,03 |
0,9 |
-1067,15 |
-1248 |
1,07 |
-0,032 |
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D1' |
5236 |
12000 |
-0,2 |
-181,03 |
1,8 |
-2134,30 |
-2315 |
1,5 |
-0,108 |
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K1 |
4357 |
5600 |
-1 |
-905,15 |
0 |
0,00 |
-905 |
0 |
0,000 |
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K1' |
4357 |
5600 |
0 |
0,00 |
-1 |
1185,72 |
1186 |
0 |
0,000 |
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K2 |
4357 |
5600 |
0,9 |
814,64 |
0 |
0,00 |
815 |
1,1 |
0,050 |
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K2' |
4357 |
5600 |
0 |
0,00 |
0,9 |
-1067,15 |
-1067 |
1,1 |
-0,065 |
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Σ = |
-0,223 |
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U inst = 0,5 * Σ = |
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|
-0,111350948420241 |
mm |
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-0,111350948420241 |
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Udop = |
|
24,1666666666667 |
mm |
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Ufin= |
|
5,97 |
mm |
|
bez obciążenia wiatrem gdyż daje ono ugięcie odwrotne |
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5,97 |
< |
24,1666666666667 |
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warunek spełniony |
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