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（1 安徽建筑大學(xué)建筑設(shè)計(jì)研究院, 合肥 230022； 2 安徽建筑大學(xué)土木工程學(xué)院, 合肥 230022）

［摘要］運(yùn)用PKPM軟件對(duì)某超限鋼筋混凝土框架-核心筒結(jié)構(gòu)進(jìn)行建模和結(jié)構(gòu)分析，在對(duì)結(jié)構(gòu)進(jìn)行整體分析及構(gòu)件的抗震性能化設(shè)計(jì)基礎(chǔ)上，對(duì)小震下外框柱的剪力分擔(dān)問題進(jìn)行研究，對(duì)大震下外框柱的抗剪性能進(jìn)行驗(yàn)算，并對(duì)帶穿層柱的一榀框架進(jìn)行推覆分析，探討外框柱中的短柱、超短柱及長柱的抗震性能，并提出加強(qiáng)措施。分析結(jié)果表明：在大震作用下，外框柱能發(fā)揮第2道抗震防線的作用，具有良好的受力性能和變形能力，能夠達(dá)到預(yù)期的性能目標(biāo)。

［關(guān)鍵詞］框架-核心筒； 外框柱； 超短柱； 穿層柱； 剪力分擔(dān)

中圖分類號(hào)：TU318, TU375-3文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2017)23-0037-06

Outside frame column design of an out-of-code frame-core wall structure in Hefei

Lin Baoxin1,2, Shi Kaifeng2, Jia Xin1, Chen Wenjie1

(1 Architectural Design and Research Institute of Anhui University of Architecture, Hefei 230022, China; 2 Civil Engineering Department, Anhui University of Architecture, Hefei 230022, China)

Abstract:PKPM software was used for modeling and structure analysis of an out-of-code reinforced concrete frame-core wall structure. Based on the overall analysis on the structure and seismic performance design on components, shear force sharing issue of outside frame columns under frequent earthquakes was studied, and shear performance of outside frame columns under the rare earthquake was calculated. Pushover analysis was conducted on a frame with cross-layer columns to investigate the seismic performance of short columns, super-short columns and long columns in the outside frames, and strengthening measures were proposed. The analysis results show that the outside frame can play the role of second seismic fortification line and have good mechanical performance and deformation capacity, and it can achieve the desired performance goals.

Keywords:framecore wall; outside frame column; super-short column; cross-layer column; shear force sharing

作者簡介：林寶新，碩士，教授級(jí)高工，總工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:596857374@qq.com。