（1 上海市工程結(jié)構(gòu)新技術(shù)重點(diǎn)實(shí)驗(yàn)室，上海 200032；2 上海市建筑科學(xué)研究院(集團(tuán))有限公司，上海 200032）
［摘要］共進(jìn)行了7根采用巴掌榫和抄手榫維修加固的圓木柱試驗(yàn)研究。研究結(jié)果表明：僅采用巴掌榫維修圓木柱的承載力較對(duì)比試件降低8%，延性系數(shù)降低26%。但采用鋼箍或CFRP布加強(qiáng)后，端部替換圓木柱的承載力和延性系數(shù)均可恢復(fù)。僅采用抄手榫維修圓木柱的承載力較對(duì)比試件未降低，但延性系數(shù)降低19%。采用鋼箍加強(qiáng)后，端部替換圓木柱的承載力和延性系數(shù)均可完全恢復(fù)；采用CFRP布加強(qiáng)后，端部替換圓木柱承載力較鋼箍加強(qiáng)試件還可提高30%，延性系數(shù)還可提高21%。
［關(guān)鍵詞］圓木柱；維修；延性；巴掌榫；抄手榫
中圖分類號(hào)：TU366-2文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2012)02-0170-03
Experimental study of circular wood column repairing with tenon and mortise joint
Xu Qingfeng1,2(1 Shanghai Key Laboratory of New Technology Research on Engineering Structure, Shanghai 200032, China;2 Shanghai Research Institute of Building Sciences (Group), Co., Ltd., Shanghai 200032, China)
Abstract:A total of 7 circular wood columns repaired with tenon and mortise joint were experimentally studied. The test results showed that the ultimate strength of column repaired only by tenon joint was decreased by 8% and the ductility decreased by 26% comparing with the control specimen. After the tenon joint was strengthened by steel hoops or CFRP strip, the ultimate strength and the ductility would be restored. The ultimate strength of column repaired only by mortise joint did not decrease, but the ductility decreased by 19%. After the mortise joint was strengthened by steel hoops, the ultimate strength and the ductility would be restored. After the mortise joint was strengthened by CFRP strip, the ultimate strength would increase by 30% and the ductility would increase by 21%.
Keywords:circular wood column; repair; ductility; tenon joint; mortise joint
*國家“十一五”科技支撐計(jì)劃（2006BAJ04A03-03）。
作者簡介：許清風(fēng)，博士，高級(jí)工程師，Email:qingfengxu@yahoo.com.cn。
參考文獻(xiàn)
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