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运用ANSYS有限元分析软件,分别对柱支承筒芯内模现浇钢筋混凝土空心楼盖和对比实心楼盖进行有限元计算,将两者计算结果列表,并对2种楼盖的计算结果进行了对比分析和研究。提出了柱支承筒芯内模现浇钢筋混凝土空心楼盖各区格柱上板带、跨中板带总弯矩占区格总弯矩比率的系数,柱上板带、跨中板带支座负弯矩、跨中正弯矩占跨中板带总弯矩比率的系数,并提出了柱支承筒芯内模现浇钢筋混凝土空心楼盖计算分配系数,给出了直接设计法的建议。
Using ANSYS finite element analysis software, the cast-in-situ reinforced concrete hollow floor and the contrast solid floor of pillar-supported inner core are respectively calculated by finite element method. The calculation results of the two are listed, and the calculation results of two kinds of floor are carried out Comparative analysis and research. The coefficient of the total moment of the total bending moment of the column in the inner column of cast-in-situ concrete hollow floor is put forward. Negative moment, mid-span positive moment and mid-span total bending moment ratio, and the distribution coefficient of cast-in-site reinforced concrete hollow floor with column support core is proposed. The direct design method is proposed.