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The solution of the task begins with the preparation of the design scheme:
Consider a detailed example of a complete calculation of the steel two-beam for strength and rigidity.
For this:
we draw the given scheme in scale,
on the diagram we indicate the numerical values of the loads,
it is desirable to convert the longitudinal dimensions to meters,
denote the characteristic sections of the beam.
show the coordinate system, the Z axis of which is customarily drawn along the beam axis, and the Y axis is directed upwards.
For flat loading, the X axis can be omitted.
The design scheme is ready to solve the task.
The second step is to calculate the support reactions.