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在钢筋混凝土主梁和次梁的相交处,次梁顶部在负弯矩作用下可能产生裂缝。次梁传来的集中荷载通过次梁受压区的剪
At the intersection of the main girder and the secondary girder, the top of the secondary girder may crack under the negative bending moment. The secondary beam came from the secondary beam compression zone shear load