Ra, = 2,23 [AA'] |
Mx, =0,223 [kNn] | |
RBx=\,\\4[kN] |
IV. Obliczenia momentów gnących: | |
a =10 [cm] | ||
b =20 [cm] |
1) Płaszczyzna „x-x”: | |
c =10 [cm] |
M - R ci | |
Pr = 3,35 [*A^] |
11 Al ,xAx u Mxl = 2,23[/W]-0,l[m] = 0,223 [A Mxi = R«-{a + b)-Pr-b |
Mxi - 0 MX}= 0 |
RAv=6,\3[kN] |
MX1 = 2,23 [JW] • 0,3[m] - 3,3 5[ W] • 0,2[w] = 0 M.\i = RA,(a + b + c)-Pr{b + c)+R„'-c | |
MXJ = 2,23[kN] • 0,4[w] - 3,35[kN] • 0,3[w] + | ||
RBy =3,06 [kN] |
+ 1,114[A7V]-0,l[/»] = 0 | |
a =10 [cm] |
MY, =0,613 [kNm] | |
b =20 [cm] |
2) Płaszczyzna „y-y”: | |
c =10 [cm] |
M... — R • ci | |
P. = 9,I9[A-W] |
Mri = 6,13[/cV] • 0. 1[//j] = 0,613[A'M;i] Mn = RA,{a + b)-Pob Mrl = 6,13fAvV] • 0,3[m] - 9,19[AAf] ■ 0,2[m] = 0 |
MY2 =0 |
Mn = RAy-{a + b + c)-P0-(b + c)+ RBy ■ c |
Mn=0 | |
Mxx = 0,223 [kNnl |
MY, = 6,13[AW] ■ 0,4[/»] - 9,19[AW] • 0,3 [///] + + 3,06[AW] • 0,l[/w] = 0 | |
Mn =0 | ||
3) Momenty gnące całkowite: | ||
O II | ||
= >Ki + K | ||
Mri = 0,613[A'yV//i] | ||
Mn= 0 |
Mg , =xJ(0,223Nm)2 +(0,613Afw)2 =652 Nm |
M K, =652 Nm |
My, =0 |
Ms2 = jM2'2+M2y2 | |
Mg2 = y]02+02 =0 Mgi = >/2, + M2, |
Mgl = 0 | |
^ = V°2 + °2 =o |
W.3 = 0 |
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