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在工程实践中,常常遇到这样一种受力形式:局部承压。所谓局部承压,即集中荷载作用于构件表面,在某一局部承受很大的压力。例如屋架支座反力作用于柱顶面,柱反力作用于基础顶面,钢筋混凝土大梁支座反力作用于柱或墙的顶面,装配式钢筋混凝土柱接头处表面,拱或刚架的铰接点处混凝土表面,后张法预应力钢筋张拉锚具下混凝土表面等等,都存在局部受压承载力计算的问题。如果不对局部受压承载力进行计算,则有可能引起局部受压区混
In engineering practice, there is often encountered such a form of stress: partial pressure. The so-called partial pressure, that is concentrated load on the surface of the component, under a certain part of a large pressure. For example, the roof support reaction force acts on the top surface of the column, the column reaction force acts on the foundation top surface, the reinforced concrete girder support reaction force acts on the top surface of the column or wall, the surface of the assembled reinforced concrete column joint, the arch or the rigid frame The concrete surface at the articulation point, the post-tensioned prestressed steel tensioned anchorage, the concrete surface under tension anchorage, etc., all have the problem of calculating the local bearing capacity. If the local compressive bearing capacity is not calculated, it may cause local compression zone mixing.