齐宏拓¹，李琪琳²
（1 哈尔滨工业大学建筑设计研究院，哈尔滨150090; 2 奥雅纳工程顾问，深圳518048）

[摘要] 对钢筋混凝土楼板倒塌破坏全过程在定性了解的基础上进行定量分析计算，利用有限元程序LS-DYNA对钢筋混凝土楼板进行了连续倒塌的碰撞仿真分析，通过模拟计算总结了其抗连续倒塌能力与楼板各项参数（板厚、配筋率、钢筋问距）之问的关系，为钢筋混凝土楼板在考虑连续倒塌时的参数设计提出了一些建议。并对结构抗突变事件能力进行评估，达到最终方便工程实践应用，对结构连续倒塌进行可靠预测和控制的目的。
[关键词] 连续倒塌；力学分析；接触碰撞

Research on crush of reinforced slabs in progressive collapse
Qi Hongtuo1, Li Qilin²
(1 The Architectural Design and Research Institute of HIT, Harbin 150090, China; 2 ARUP, Shenzhen 518048, China)

Abstract: The collision simulation analysis of the reinforced concrete slabs in the scenario of progressive collapse is carried out using LS-DYNA. Based on the results, the relation between the ability of the slabs to withstand the progresslve collapse and the controlling coefficients (such as thickness, ratio ofreinforcement and reinforcing bar spacing) are concluded, and some useful suggestions to the design of slabs are proposed.
Keywords: progressive collapse; mechanical analysis; contact-collision