Betony |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stal |
AIII |
|
fyk |
= |
410 |
Mpa |
|
Beton |
B37 |
|
fcd |
= |
20 |
Mpa |
1. Projekt wstepny |
|
|
|
|
|
|
|
fyd |
= |
350 |
MPa |
|
|
|
|
fctd |
= |
1,33 |
MPa |
|
|
|
|
|
|
|
|
ftk |
= |
500 |
MPa |
|
|
|
|
|
|
|
|
1.1 Płyta |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.1.1 Zestawienie obciążeń |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
qk |
gf > 1 |
gf < 1 |
Obc. Obl. gf > 1 |
Obc. Obl. gf < 1 |
|
|
|
|
|
|
|
|
-żywica |
- |
- |
- |
- |
- |
|
|
|
|
|
|
|
|
-warstwa wyr. 0,05*21 |
1,05 |
1,3 |
0,9 |
1,365 |
0,945 |
|
|
|
|
|
|
|
|
-papa |
0,12 |
1,2 |
0,9 |
0,144 |
0,108 |
|
|
|
|
|
|
|
|
- płyta żelbetowa 0,1*25 |
2,5 |
1,1 |
0,9 |
2,75 |
2,25 |
|
|
|
|
|
|
|
|
- tynk cem. wap. 0,02*19 |
0,38 |
1,3 |
0,8 |
0,494 |
0,304 |
|
|
|
|
|
|
|
|
|
gk = |
4,05 |
|
|
|
|
qd1 = |
4,753 |
qd2 = |
3,607 |
|
|
|
|
|
|
|
|
- obciążenie zmienne |
qk = |
10,5 |
1,2 |
|
|
qd = |
12,6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.1.2 Przyjęcie wymiarów ze wzg. Na nośność |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
qd1 = |
4,753 |
qd = |
12,6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
l1 = |
240 |
cm |
l2 = |
300 |
m |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
leff1 = |
l1 |
+ |
hp |
= |
240 |
+ |
10 |
= |
250 |
cm |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
leff2 = |
l2 |
+ |
hp |
= |
300 |
+ |
10 |
= |
310 |
cm |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
qd1 |
+ |
qd |
= |
4,753 |
+ |
12,6 |
= |
17,353 |
kN/m |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
- Moment w przęśle skrajnym |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
M1 |
= |
(qd1+qd)*leff12 / 11 |
|
= |
9,85965909090909 |
kN/m |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
- Moment W przęsłach środkowych |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
M2 |
= |
(qd1+qd)*leff22 / 16 |
|
= |
10,422645625 |
kN/m |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Mmax |
= |
max {M1;M2} |
|
= |
10,422645625 |
kN/m |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Obliczenie - d |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1* |
zakładam |
|
r1 |
= |
1,3 |
% |
x |
= |
fyd*r / fcd |
= |
0,2275 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
b |
= |
1 |
m |
|
dla AIII |
|
xeff |
= |
0,27 |
|
dla |
1,30% |
|
A z tablic |
= |
3,918 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
d |
= |
(Msd/A)^(1/3) |
|
d' |
= |
(M/Ab)^(1/3) |
|
= |
0,138559991079061 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
d'' |
= |
(Mmax/(fcd*b*xeff*(1-0,5*xeff))^(0,5 |
|
|
|
= |
4,72371897205966 |
cm |
= |
0,047237189720597 |
m |
|
|
|
|
|
|