A box girder has the singly symmetrical trapezoidal cross section shown in Fig. P.10.23. It supports a vertical shear load of 500 kN applied through its shear centre and in a direction perpendicular to its parallel sides. Calculate the shear flow distribution and the maximum shear stress in the section. Ans. qon=0.25sa 9AB = 0.21sg–2.14×10-4+250 9вс — 0.17sс + 246 Tmax=30.2 N/mm²,

Structural Analysis
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Chapter2: Loads On Structures
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A box girder has the singly symmetrical trapezoidal cross section shown in Fig. P.10.23.
It supports a vertical shear load of 500 kN applied through its shear centre and in a direction
perpendicular to its parallel sides. Calculate the shear flow distribution and the maximum shear
stress in the section.
Ans. qOA=0.255A
9AB = 0.21sg-2.14×10-4+250
9BC=-0.17sc +246
Tmax=30.2 N/mm?.
!!
Transcribed Image Text:A box girder has the singly symmetrical trapezoidal cross section shown in Fig. P.10.23. It supports a vertical shear load of 500 kN applied through its shear centre and in a direction perpendicular to its parallel sides. Calculate the shear flow distribution and the maximum shear stress in the section. Ans. qOA=0.255A 9AB = 0.21sg-2.14×10-4+250 9BC=-0.17sc +246 Tmax=30.2 N/mm?. !!
500 kN
SC
8 mm
10 mm
10 mm
120°
120°
12 mm
sB
1m
SA
А
E
F
2m
Transcribed Image Text:500 kN SC 8 mm 10 mm 10 mm 120° 120° 12 mm sB 1m SA А E F 2m
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