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Mechanics of Materials and Constructions. P2 ☑️
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The strength condition of the beam, which is working on
The combined stresses is called such a stress state of building that can be replaced by a combination of the simplest kinds of deformations
In the case of simultaneous bending and twisting, a ccording to the third theory of strength, we get:
This formula is:
The condition of the neutral axis for a beam, which is working on complex bending , has this form:
In the case of the off-center acting of longitudinal force, the c onditions strength of materials with tensile resistance is written as follows:
In strength of materials we have four types of a combined stresses
For a given column the coefficient of lengthening
For a given column the coefficient of lengthening
To ensure the stability reserve, the condition is required: