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以上海浦江02-01及07-04地块的保障性安居工程项目为例,通过经验系数法、等效框架法及整体有限元法分别计算了其地下室顶板(无梁楼盖)的配筋及分布。根据受力情况,将板面钢筋分为板面通长钢筋、柱上板带加筋和柱帽加筋分别进行配筋优化设计,并建立分离式有限元模型分析受力机理,证明优化设计是合理的、经济的。最后通过裂缝开展情况及钢筋应力的分析证明斜交布筋优于正交布筋。取得的研究成果可为相关工程设计提供参考。
Taking the affordable housing project of Shanghai Pujiang 02-01 and 07-04 plots as an example, the reinforcement of the basement roof (without beam floor) was calculated by the empirical coefficient method, the equivalent frame method and the overall finite element method And distribution. According to the situation of force, the plate steel is divided into plate-shaped long steel bars, and the steel plate reinforcement and the column cap reinforcement are respectively optimized for reinforcement design. It is reasonable and economical. Finally, through the analysis of crack initiation and reinforcement stress, it is proved that bias rebar is better than orthogonal rebar. The research results obtained can provide references for related engineering design.