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作了低配筋简支方板在中置荷截作用下的破坏试验与分析。用塑性理论对任意点作用一集中荷载的四边支承矩形板的弯曲极限荷载计算方法作了分析。合理地选取了剪切极限荷载计算方法。对弯剪界限破坏值作了定量分析。同时,提出了关于无腹筋四边支承矩形板承载力计算与设计的建议。
The failure test and analysis of the low-restricted simple-supported square plate subjected to neutral loading and unloading were performed. The calculation of the bending ultimate load of a rectangular plate with four sides supported by a concentrated load at any point is analyzed using plasticity theory. The shear limit load calculation method was reasonably selected. A quantitative analysis of the boundary shear damage value was made. At the same time, the suggestions on the calculation and design of the bearing capacity of the rectangular plate with four sides supported without web reinforcement are proposed.