[Daily Question] Theoretical Basis 2020.04.13
Thread Content
Multiple choice questions: Cantilever beam AB is made of three straight rods with the same rectangular cross-section glued together. The allowable stress of the material is. If the glued surface cracks, assuming that the deflection curves of the three rods are the same after cracking and there is no friction between the contact surfaces, the load-bearing capacity of the beam after cracking is the original (). A． 1/9 B. 1/3 C． Both are the same D. 3 times the answer: B Tips: Those who can explain the problem-solving process will be given extra rewards, and the answers will be visible in the replies!
This post was last edited by wyllnfs on 2020-4-13 08:49 B Glue b (3a)* * 2 ； Crack 3ba * * 2