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（1 新疆玉點(diǎn)建筑設(shè)計(jì)研究院，烏魯木齊 830002； 2 新疆建筑設(shè)計(jì)研究院，烏魯木齊 830002）

［摘要］“強(qiáng)柱弱梁”是基于承載能力設(shè)計(jì)的延性框架中的重要內(nèi)容，但其作為框架結(jié)構(gòu)的基本抗震手段和重要措施，卻屢次在地震中不能充分發(fā)揮作用。通過(guò)Pushover非線性彈塑性分析手段，對(duì)多個(gè)框架結(jié)構(gòu)進(jìn)行抗倒塌分析，對(duì)比不同梁柱相對(duì)抗彎承載力控制對(duì)“強(qiáng)柱弱梁”的影響，并嘗試采用在框架中加設(shè)部分翼墻或耗能支撐的手段替代對(duì)梁柱相對(duì)抗彎承載力控制，實(shí)現(xiàn)“強(qiáng)柱弱梁”，達(dá)到提高框架抗倒塌能力的目的。

［關(guān)鍵詞］混凝土框架；強(qiáng)柱弱梁；震害；彈塑性分析

Understanding of strong column and weak beam from building damages in earthquake

Zhang Zhong¹, Dong Kun², Peng Bo¹ (1 Xinjiang Yudian Architechture Design & Research Institute, Urumqi 830002, China;2 Xinjiang Architecture Design & Research Institute, Urumqi 830002, China)

Abstract:“Strong column and weak beam” is the important conception in seismic design of frame structures. But as the basic character of RC frame structure, it didn’t work effectively in many earthquake. Several RC frame structures were analyzed by Pushover method to compare the influence of different relative bending bearing capacity of the beam and column. Another method was suggested to avoid RC frame collapse with adding shorted shear-wall or energy dissipation brace to column to achieve “strong column and weak beam”.

Keywords:RC frame; strong column and weak beam; building damages in earthquake; elasto-plastic analysis

作者簡(jiǎn)介：張忠，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:zhang09910991@sina.com