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从构造、施工、纵向预应力使宽幅空心板板底产生的横向拉应力等几个方面的影响因素入手,并结合结构计算分析,分析了预应力混凝土宽幅空心板板底纵向裂缝产生的原因。
Beginning with the influencing factors of the transverse tensile stress caused by the construction, construction and longitudinal prestress on the bottom of wide hollow slab, the longitudinal cracks in the bottom of the wide slab of prestressed concrete are analyzed based on the structural calculation and analysis the reason.