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本文针对20m跨径后张法宽幅空心板梁单梁抗剪破坏性试验全过程进行论述,分析梁体在各级荷载作用下的主拉应力及裂缝宽度发展变化,试验结果与理论值一致,可为同类桥梁的类似试验和维修养护提供参考和依据。
In this paper, the whole process of the single-beam shear failure test of wide hollow slab beam with 20m span post-tensioning method is discussed. The main tensile stress and crack width of the beam under various loads are analyzed. The experimental results are consistent with the theoretical values. For similar test and maintenance of similar bridges provide a reference and basis.