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通过空间建模有限元分析20 m预制宽幅空心板端部预应力张拉各种施工工序,得出空心板端部顶、底板三向应力值;分析空心板施工过程中可能出现的各种不利情况,根据梁板受力特点,提出防治20 m预制宽幅空心板连续端部裂缝防治措施。
Finite element analysis of the 20 m prefabricated wide-leaved hollow-core prestressed tensile prestressed various construction processes, the end of the hollow plate to the end of the three-dimensional stress value; analysis of the hollow plate may occur during the construction of various According to the characteristics of the stress on the slab, the measures to prevent and control the continuous end cracks on the 20 m prefabricated hollow slab are put forward.