- 摘 要
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方義慶1，李亞明1，翁文忠1，羅艷利2
(1 上?，F(xiàn)代建筑設(shè)計(jì)集團(tuán)上海建筑設(shè)計(jì)研究院有限公司上海200041; 2 上海巨一科技發(fā)展有限公司上海200031)[摘要] 從扭轉(zhuǎn)效應(yīng)控制和扭轉(zhuǎn)效應(yīng)抵抗兩個方面進(jìn)行建筑結(jié)構(gòu)抗扭設(shè)計(jì)討論。建筑結(jié)構(gòu)扭轉(zhuǎn)效應(yīng)控制不僅需考慮周期比、扭轉(zhuǎn)位移比、同樣應(yīng)考慮扭平分量比：層偏心率不能成為扭轉(zhuǎn)效應(yīng)控制的直接判斷因素，調(diào)整偏心率只是控制扭轉(zhuǎn)位移比、扭轉(zhuǎn)分量比的途徑。在結(jié)合扭轉(zhuǎn)效應(yīng)控制及相關(guān)因素分析基礎(chǔ)上，提出結(jié)構(gòu)周期比、扭轉(zhuǎn)位移比、扭平分量比的快捷控制方法。結(jié)合建筑結(jié)構(gòu)扭轉(zhuǎn)效應(yīng)計(jì)算分析了偶然偏心、雙向地震作用、扭轉(zhuǎn)耦聯(lián)具體應(yīng)用問題及相互聯(lián)系；并在其基礎(chǔ)上，提出建筑結(jié)構(gòu)扭轉(zhuǎn)效應(yīng)統(tǒng)一計(jì)算方法。結(jié)合國外規(guī)范和已有研究成果提出結(jié)構(gòu)設(shè)計(jì)過程中，可以根據(jù)不同的扭轉(zhuǎn)反應(yīng)，采用不同的加強(qiáng)措施。
[關(guān)鍵詞] 結(jié)構(gòu)扭轉(zhuǎn)設(shè)計(jì)；扭轉(zhuǎn)效應(yīng)控制；扭轉(zhuǎn)效應(yīng)抵抗Discussion about torsional design method based on torsional response analysis of building structures
FangYiqing1, LiYaming1, WengWenzhong1, LuoYanli2
(1Shanghai Xian Dai Architectural Design (Group) Shanghailnstitute of Architectural Design & Research Co., Ltd. , ShangHai 200041, China; 2 Shanghai Juyi Technology Company, Shanghai 200031, China)Abstract: From control of torsional response and torsion resistance of building structures, structural design of torsion resistance for building structures is discussed. Not only period ratio and torsional displacement ratio but also torsional content should be considered to control torsional response, the eccentricity of structure story can not be factors of judgement oftorsional response, the adjustment of the eccentricity of structure story just is one of methods for controlling the ratio of the maximum story drift to the average of story drifits and the torsional content. Based on the analysis of torsional response and related factors,a fast control method fOf period ratio, the ratio of the maximum story drift to the average of story drifis and torsional content was derived. Based on the analysis of accidental eccentricity, bidirectional earthquake, coupled torsion and relationships between each other, the uniform method of calculating for torsional response for building structures is derived. Based on the foreign codes and some research results, it can be derived that different reinforcement methods can be used by different torsional response during structures designing.
Keywords: torsional design of building; control of torsional response; torsion resistance of building structures
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