Physics · Structural Mechanics
During excavation support, if a raking shore begins to buckle when the load is uniformly distributed along its height, which internal stress condition primarily explains this failure?
- 1Uniform compressive stress acting along the member's entire length
- 2Predominant shear stress developed along the cross-section
- 3Combined axial compression accompanied by bending stress✓
- 4Torsional stress produced due to end restraint and eccentric loading
Correct answer
Combined axial compression accompanied by bending stress
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