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allowable bending stress for en8
allowable bending stress for en8
no
The bending stress in a beam is inversely proportional to the section modulus.
-> when a structural body gets deviated from its original position or from its centroidal axis due to externally applied load,then it is termed as BENDING->DIRECT STRESS is the stress which act normal to the plane-> stress and bending are the two different things. stress produced by load per area & bending is the effect produced by load and stress.
direct stress is a stress normal to the cross section, A, and is the result of an axial load, P. direct stress = P/A Bending stress also acts normal to the cross section but varies from tension on one side and compression on the other. and is the result of a bending moment, M. bending stress = Mc/I where I is the area moment of inertia and c the distance from outer fiber to neutral axis
Stress changes the shape or breaks (fractures) rocks whereas bending leads to folding
Folding
Folding
Folding
Bending fatigue is the tendency of a material to break. This is usually applicable to metals after repeated stress is applied.
It is called Folding