Question

the maximum stress under combined bending and axial loading will be given by​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

The maximum stress σmax = σb+σa.

Step-by-step explanation:

In Bending the object changes its shape and experiences an internal force.

Axial load is a force (load) applied on the axis of an object.

The bending of an object and axial load is the same as eccentric loading. When both bending and axial loading exist together then it produces complex stress.

Complex stress tends to reduce simple stress.  

The maximum stress caused under the coexistence of bending and axial loading will be in three cases:

Case 1: If the bending is greater than the axial load, then stress will be maximum. If σb > σa

then, σcmax = σb+σa

As σt = 0

tensile stress doesn't exist.  

Case 2: If the bending is lesser than the axial load, then the stress will be maximum too. If σb < σa

then, σcmax = σb + σa

Case 3: If both bending and axial loading are equal then the stress will be maximum again. If σb = σa,

then, σmax = σb + σa

So, The maximum stress can be calculated by σmax = σb+σa.