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低周反復(fù)荷載下鋼梁-混凝土墻節(jié)點(diǎn)受力性能試驗(yàn)
覃銀輝1,劉文吉2,蔣華3,劉付華4
摘 要
低周反復(fù)荷載下鋼梁-混凝土墻節(jié)點(diǎn)受力性能試驗(yàn)
覃銀輝1,劉文吉2,蔣華3,劉付華4(1 中南林業(yè)科技大學(xué)土木建筑與力學(xué)學(xué)院,長(zhǎng)沙 410004;2 中山市建筑設(shè)計(jì)院有限公司,中山 528400; 3 中山市房屋安全鑒定所,中山 528403;4 中機(jī)國(guó)際工程設(shè)計(jì)研究院,長(zhǎng)沙 410004)
[摘要]結(jié)合實(shí)際情況,對(duì)3個(gè)鋼梁-混凝土剛接節(jié)點(diǎn)試件進(jìn)行了低周反復(fù)荷載試驗(yàn),3個(gè)節(jié)點(diǎn)的破壞形態(tài)、滯回曲線特性、剛度變化等一系列受力性能表明,試件的延性及耗能能力均滿足抗震設(shè)計(jì)要求,螺栓規(guī)格的提高能顯著提高節(jié)點(diǎn)的承載力及抗震性能,連接板厚度的增加也能提高節(jié)點(diǎn)的承載力及抗震性能,但效果不是很明顯。
[關(guān)鍵詞]鋼梁-混凝土墻;節(jié)點(diǎn);受力性能;抗震性能
中圖分類號(hào):TU398文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002-848X(2011)01-0006-05
Experiment on steel beam and concrete wall joint under low reversed cyclic loading
Qin Yinhui1, Liu Wenji2, Jiang Hua3, Liu Fuhua4
(1 Department of Civil Engineering and Mechanics, Central South University of Science and Technology, Changsha 410004, China;
2 Zhongshan Architecture Co., Ltd., Zhongshan 528400, China; 3 Zhongshan Housing Safety Appraisal Office, Zhongshan
 528403, China; 4 China Machinery International Engineering Design and Research Institute, Changsha 410004, China)
Abstract:On the basis of the former researches practice, low reversed cyclic load experiment on three rigid joints of steel beam and concrete wall were taken. The damage shape, hysteretic curve and stiffness change of the three rigid joints were analyzed. It is revealed that the durability and energy dissipation capacity of the three rigid joints can meet the seismic design requirements.  The carrying capacity and seismic performance of the joint increase significantly with the bolt diameter increasing. The increasing of connection plate thickness could improve their performance as well, but the effect was not clear.
Keywords:steel beam-concrete wall; joint; mechanical performance; seismic performance
作者簡(jiǎn)介:覃銀輝,碩士,講師,一級(jí)注冊(cè)結(jié)構(gòu)工程師,Email:qinyinhui2003@163.com。
參考文獻(xiàn)
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[2]戴邵斌,饒偉, 朱健. 內(nèi)埋型鋼混凝土墻與鋼梁剛性節(jié)點(diǎn)有限元分析[J].武漢理工大學(xué)學(xué)報(bào),2010,32(13):51-54.
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