施工技术 2013年8月下 8 CONSTRUCTION TECHNOLOGY 第42卷第16期 D0I:10.7672/8gjs2013160008 碳纤维布加固低强度空斗墙试验研究* 王卓琳，蒋利学 (上海市建筑科学研究院上海市工程结构新技术重点实验室，上海200032) [摘要]进行了2片未加固和4片碳纤维布加固的低强度空斗墙的水平低周反复荷载试验，研究了空斗墙加固前 后的破坏形态、承载能力和极限变形能力等抗震性能.试验结果表明，三斗一眠空斗墙的抗震性能优于全空斗墙 体；采用交叉形式对空斗墙进行抗震加固能取得较好加固效果.建议实际工程中采用交叉形式对空斗墙进行 抗震加固，两端粘贴竖向碳纤维布加固空斗墙的效果有待进一步研究. [关键词]加固；空斗墙；碳纤维布；荷载试验 [中图分类号]TU362 [文献标识码]A [文章编号]1002-8498(2013)16-0008-04 Experimental Study of Low Strength Cavity Walls Strengthened with CFRP Wang Zhuolin Jiang Lixue (Shanghai Key Laboratory of New Technology for Engineering Structures SRIBS Shanghai 200032 China) Abstract:Two unstrengthened low strength cavity wall and four cavity walls strengthened with CFRP were tested under low frequency cyclic horizontal load.The seismic behaviors of the walls were analyzed such as the failure mode ultimate strength and deformability and so on.The experimental results show that the sesimic behaviors of the walls with horizontal bricks are better than the all-rowlock cavity walls and the sesimic capacity of the cavity wall can be improved when it is strengthened with“X"style-pasted CFRP.It is suggested that“X"style CFRP can be pasted on the wall for seismic strengthening in the project.The strengthening effect of walls with vertical CFRP pasted on the both side of the cavity wall needs further research. Key words:strengthening;cavity wall;CFRP;load testing 国家现行《砌体结构设计规范》GB50003一2011 民等对墙体整体裂缝钢筋网加固、整体裂缝钢筋网 中已经取消了空斗墙，但在我国南方地区，特别是 加固墙体两侧浇筑扶壁柱2种加固措施的效果进 长江中下游、华东、中南等地区，仍有大...
碳纤维布加固低强度空斗墙试验研究.pdf
