建筑结构

2010, v.40(S2) 476-478

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化学植筋锚固深度的探讨
Study on embedment length of bonded rebars

李安起;贾留东;夏风敏;
Li Anqi,Jia Liudong,Xia Fengmin(School of Civil Engineering,Shandong Jianzhu University;Shandong Provincial Key Laboratory of Appraisal and Retrofitting in Building structures,Jinan 250014,China)

摘要(Abstract):

分析了行业标准《混凝土结构后锚固技术规程》(JGJ145-2004)和国家标准《混凝土结构加固设计规范》GB50367-2006对于植筋锚固深度的规定,对比了二者间的差异,对于《混凝土结构加固设计规范》(GB50367-2006)中植筋位移延性修正系数ψae的取值问题进行了探讨,分析了植筋锚固深度小于钢筋锚固长度的原因。
This paper specifies the different stipulations about embedment length of bonded rebars,between "Technical specification for post-installed fastenings in concrete structures" JGJ145-2004 and "Design code for strengthening concrete structure" GB50367-2006.The value selection of Correction Factor of displacement ductility(ψae)is discussed.The reasons of embedment length of post-installed bonded rebars smaller than normal rebars is analyzed.

关键词(KeyWords): 化学植筋;锚固深度;位移延性修正系数
bonded rebars;embedment length;correction factor;displacement ductility

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作者(Author): 李安起;贾留东;夏风敏;
Li Anqi,Jia Liudong,Xia Fengmin(School of Civil Engineering,Shandong Jianzhu University;Shandong Provincial Key Laboratory of Appraisal and Retrofitting in Building structures,Jinan 250014,China)

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DOI: 10.19701/j.jzjg.2010.s2.141

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