钢筋混凝土双向板的弯矩调幅方法
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(湖南大学土木工程学院 长沙 410082)
[提要] 参照单向连续板的弯矩调幅方法,提出了双向板进行弯矩调幅的原则与方法,给出了供进行弯矩调幅用的计算表格,并且通过一个设计实例,介绍了双向板肋梁楼盖的弯矩调幅步骤与计算结果,还将此计算结果与按弹性分析方法和按极限平衡方法计算的结果作了对比。[关键词] 钢筋混凝土; 双向板; 弯矩; 调幅法; 设计Abstract: Based on the adjustment method of bending moments in one—way reinforced concrete slabs,adjustment principle and method of bending moments in two—way reinforced concrete slabs are proposed.The tables for adjustment of bending moments are given.A reinforced concrete floor with two-way slabs is designed.The results are compared with that by elastic method and by plastic method.Keywords:reinforced concrete; two-way slab; bending moment; adjustment method; design