- 摘 要
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(1 河北工業(yè)大學(xué)土木工程學(xué)院, 天津 300401; 2 北京建筑大學(xué)土木與交通工程學(xué)院, 北京 100044)
[摘要]研究了填充現(xiàn)澆石膏對(duì)網(wǎng)格框架墻體抗震性能的影響。分別對(duì)1片填充現(xiàn)澆石膏的鋼筋混凝土網(wǎng)格框架墻體(填充石膏網(wǎng)格框架墻體)和1片未填充石膏的鋼筋混凝土網(wǎng)格框架墻體(空網(wǎng)格框架墻體)試件進(jìn)行了低周反復(fù)水平荷載作用下的抗震性能試驗(yàn)。試驗(yàn)表明:空網(wǎng)格框架墻體和填充石膏網(wǎng)格框架墻體均具有良好的延性,與空網(wǎng)格框架墻體相比,填充現(xiàn)澆石膏顯著提高了網(wǎng)格框架墻體的初始剛度和承載能力,其耗能能力更強(qiáng),對(duì)抗震有利。
[關(guān)鍵詞]鋼筋混凝土; 網(wǎng)格框架墻體; 抗震性能; 現(xiàn)澆石膏
中圖分類號(hào):TU311.3 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1002-848X(2015)06-0018-03
Effect of filling castinsitu gypsum on seismic performance for grid frame wall
Zhou Mingjie1, Meng Ya1, Li Sixue1, Tian Chuan2
(1 College of Civil Engineering, Hebei University of Technology, Tianjin 300401, China;
2 School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China)
Abstract:The effect of filling castinsitu gypsum on the seismic performance of the gird fram wall was studied. The seismic performance tests on two pieces of reinforced concrete grid frame wall under low cyclic horizontal loadings were carried out,one piece called gypsumfilled grid frame wall and the other called empty grid frame wall without gypsum. The tests show that both the empty grid frame wall and gypsumfilled grid frame wall have well ductility. Compared with empty grid frame wall, the initial stiffness and bearing capacity of gypsumfilled grid frame wall are significantly improved, and it has better energy dissipation capacity which is benefit for the seismic performance.
Keywords:reinforced concrete; grid frame wall; seismic performance; castinsitu gypsum
*河北省自然科學(xué)基金資助項(xiàng)目(E2010000083),河北省科技計(jì)劃項(xiàng)目(12213803)。
作者簡介:周明杰,博士,教授,碩士生導(dǎo)師,Email:zhoumingjie922@163.com。
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