Calculating truss shear and bending

[Hadron]

Is it known how to do this? If so, how?

 

[Dr.D]

How to do what? I don't see any basis here for the question.

 

[PhanthomJay]

In a pure truss, there is no bending or shear in the members because all loads are assumed to act at the joints, such that member forces are axial tension or compression only. In reality, you have the member dead weight distributed across the member, in which case the dead weight is assumed to act one half its value applied at each joint that it is connected to as a point load. And you could have external loads applied between joints (which should be avoided if possible) which do cause moments and shears in that member, but again split up loads at the adjacent joints. You should check the individual member for bending stresses to be sure it is not overstressed when combined with the axial load.