- 摘 要
-
(1 西安建筑科技大學(xué)土木工程學(xué)院， 西安 710055； 2 中國建筑科學(xué)研究院有限公司， 北京 100013)
［摘要］以典型村鎮(zhèn)兩層磚混結(jié)構(gòu)商鋪房屋為研究對象，根據(jù)其結(jié)構(gòu)破壞特點提出窗間墻修復(fù)、通縫注漿修復(fù)墻體以及鋼筋網(wǎng)水泥砂漿面層加固墻體的加固方法，通過1個1/2縮尺模型加固前后的振動臺試驗，分析比較模型加固前后在不同地震烈度下的動力特性和抗震性能。試驗表明：上述方法對此類磚混房屋簡單有效，能顯著提高其抗震能力，在我國8度設(shè)防地區(qū)完全可滿足規(guī)范規(guī)定的抗震設(shè)防目標(biāo)。
［關(guān)鍵詞］磚混結(jié)構(gòu)； 1/2縮尺模型； 振動臺試驗； 鋼筋網(wǎng)水泥砂漿
中圖分類號：TU398+.5文獻標(biāo)識碼：A文章編號：1002-848X(2019)14-0074-06
Shaking table test of unretrofitted and retrofitted two-story brick-concrete structure representative of existing rural buildings along streets
Zhou Tiegang1, Liu Bo1, Liu Tingting1, Hao Yichen1, Zhu Lixin2
(1 College of Civil Engineering, Xi′an University of Architecture and Technology, Xi′an 710055, China；2 China Academy of Building Research Co., Ltd., Beijing 100013, China)
Abstract:The two-storey brick-concrete structure of typical villages and towns were taken as the research object, according to the structural damage characteristics, the reinforcement method of the window wall repairing, the grouting repairing wall and the reinforcing mesh of the steel mesh cement mortar surface layer was proposed. Through vibrating table test of the unretrofitted and retrofitted 1/2 scale model, the dynamic characteristics and seismic performance of the unretrofitted and retrofitted model were compared under different seismic intensities. The test shows that the above method is simple and effective for such brick-concrete houses, and its seismic capacity can be significantly improved. In the 8 degree fortification area in China, the seismic fortification target can fully meet the requirements of the code.
Keywords:brick-concrete structure; 1/2 scale model; shaking table test; reinforced cement mortar
*國家科技支撐計劃課題（2014BAL06B03），陜西省重點科技創(chuàng)新團隊計劃（2014KCT-31）。
作者簡介：周鐵鋼，博士，教授，博士生導(dǎo)師，Email:zhoutiegang@126.com。
