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为研究汶川地震中钢筋混凝土框架结构震害机理,清华大学开展了钢筋混凝土框架结构拟静力倒塌的系列试验研究,包括1个3层4跨RC框架、2个关键梁柱节点和4个关键框架柱。结合试验举行了相应的数值模拟分析竞赛,并将试验和数值模拟结果全部在互联网上公布,供有关科研和工程人员参考。本文介绍了钢筋混凝土框架柱、节点和整体框架的数值模拟竞赛结果,以及相应的结论和建议。
In order to study the mechanism of seismic damage of reinforced concrete frame structures in Wenchuan earthquake, Tsinghua University carried out a series of experimental studies on pseudo-static collapse of reinforced concrete frame structures, including a three-layer 4-span RC frame, two key beam-column joints and four key Frame column. Relevant experiments of numerical simulation and analysis were held in conjunction with the experiments. The results of experiments and numerical simulation were all published on the Internet for reference of relevant scientific researchers and engineers. This paper presents the results of numerical simulation of reinforced concrete frame columns, joints and monolithic frames, as well as the corresponding conclusions and recommendations.