The truss structure in Figure P8.82 represents part of a bridge. Assume that the structural components are connected by pin joints and that the entire structure is free to slide horizontally at each end. Assum furthermore that the mass of the structure is negligible compared with the load it must support. In this situation, the force exerted by each of the bars (struts) on the pin joints is either a force of tension or one of compression and must be along the length of the bar. Calculate the force in each strut when the angle = 30° and the bridge supports a w = 9100 N load at its center. Strut AB N of -Select-- v Strut AC N of -Select-- V Strut BC N of -Select-- Strut BD N of -Select- v Strut CD N of -Select-- V Strut CE N of Select-- v Strut DE N of -Select-- Load: weight WD 0 9 G 50 m
The truss structure in Figure P8.82 represents part of a bridge. Assume that the structural components are connected by pin joints and that the entire structure is free to slide horizontally at each end. Assum furthermore that the mass of the structure is negligible compared with the load it must support. In this situation, the force exerted by each of the bars (struts) on the pin joints is either a force of tension or one of compression and must be along the length of the bar. Calculate the force in each strut when the angle = 30° and the bridge supports a w = 9100 N load at its center. Strut AB N of -Select-- v Strut AC N of -Select-- V Strut BC N of -Select-- Strut BD N of -Select- v Strut CD N of -Select-- V Strut CE N of Select-- v Strut DE N of -Select-- Load: weight WD 0 9 G 50 m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The truss structure in Figure P8.82 represents part of a bridge. Assume that the structural components are connected by pin joints and that the entire structure is free to slide horizontally at each end. Assume
furthermore that the mass of the structure is negligible compared with the load it must support. In this situation, the force exerted by each of the bars (struts) on the pin joints is either a force of tension or
one of compression and must be along the length of the bar. Calculate the force in each strut when the angle = 30° and the bridge supports a w = 9100 N load at its center.
Strut AB
N of -Select---
Strut AC
N of
-Select---
Strut BC
N of
-Select--
Strut BD
N of
-Select--
Strut CD
N of
---Select---
Strut CE
N of
Select--
Strut DE
N of
-Select---
Load: weight W D
e
C
50 m
Figure P8.82
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