- 摘 要
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(廣州容柏生建筑結(jié)構(gòu)設(shè)計(jì)事務(wù)所, 廣州 510170)
[摘要]以某實(shí)際超高層項(xiàng)目梁柱大偏心節(jié)點(diǎn)為例,定量分析了梁柱偏心所產(chǎn)生的附加彎矩、附加扭矩及對(duì)節(jié)點(diǎn)核心區(qū)抗剪承載力的影響。結(jié)果表明,對(duì)于該項(xiàng)目柱大梁小、柱強(qiáng)梁弱的實(shí)際情況,即使不采用梁端水平加腋措施,柱抗扭能力和節(jié)點(diǎn)核心區(qū)抗剪承載力都仍有較大富余,且柱端彎矩更小。
[關(guān)鍵詞]梁柱節(jié)點(diǎn); 大偏心; 節(jié)點(diǎn)核心區(qū)抗剪承載力; 水平加腋
中圖分類號(hào):TU973+.31文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002-848X(2020)04-0049-03
Necessity research about using horizontal haunches on beam-column joints with large eccentricity in a super high-rise building
Wu Jinmei, Liao Yun
(RBS Architectural Engineering Design Associates, Guangzhou 510170, China)
Abstract:Taking the beam-column joints with large eccentricity in a super high-rise structure as the example, the influence caused by beam-column eccentricity on additional moment, additional torque and shear bearing capacity of core joint area were analyzed. The results show that, for the actual situation of big column-small beams and strong column-weak beams in this project, even if there is no horizontal haunches on the beam ends, the torsion capacity of the column and shear bearing capacity of core joint area are still large enough, and the bending moment of column ends is smaller than those joints having horizontal haunches.
Keywords:beam-column joint; large eccentricity; shear bearing capacity of core joint area; horizontal haunch
作者簡(jiǎn)介:吳金妹,碩士,高級(jí)工程師,一級(jí)注冊(cè)結(jié)構(gòu)工程師,Email:wujinmei@gzrbs.com。
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