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通过对简支钢筋混凝土原型空心板(5.5×1.6×0.45m)受集中荷载的作用,研究了板的正截面强度和按弯矩计算时的荷载有效分布宽度。并用有限棱柱条法进行了弹性阶段的分析计算,计算值与试验值的比较表明,其挠度和应力σ_y吻合较好。
Through the effect of the concentrated load on the simply supported reinforced concrete prototype hollow slab (5.5×1.6×0.45m), the normal section strength of the slab and the effective distribution width of the load calculated according to the bending moment were studied. The finite-ribbed method was used to analyze and calculate the elastic stage. The comparison between the calculated value and the experimental value shows that the deflection is in good agreement with the stress σ_y.