Study On Shear Properties for Adherence of New and OldConcrete and Its Practical Calculation

机译：新旧混凝土粘结的抗剪性能研究与实用计算

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A full–range shear experiment of 6 groups with 18 specimens was carried out torninvestigate the effective adherence of new and old concrete in structurernstrengthening. The influence of various techniques to interface shear properties isrnexamined. The experiment results show that the shear strength of the interface can bernimproved remarkably with bonded-in reinforcement. Based on the research results,rnthe practical calculation formula was put forward which can take account of therninfluence of roughness, agent and bonded-in reinforcement. The formula was alsornvalidated by other experiments and can be used in the strengthening design forrnconcrete structure.

机译：为了研究新旧混凝土在结构加固中的有效附着力，进行了6组18个试样的全范围剪切试验。考察了各种技术对界面剪切性能的影响。实验结果表明，粘结增强可以显着提高界面的剪切强度。在研究结果的基础上，提出了考虑到粗糙度，助剂和粘结补强的影响的实用计算公式。该公式还通过其他实验验证，可用于混凝土结构的加固设计。

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来源
《Critical issues in transportation systems planning, development, and management》|2009年|p.2343-2349|共7页
会议地点 Harbin(CN);Harbin(CN)
作者
L. Li; Z. L. Wang;
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作者单位

School of Civil Engineering, Xihua University, Chengdu 610030,China, PH (028)rn66383995 email: lili126@126.com;

School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031,China;

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正文语种 eng
中图分类交通工程与交通管理;
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Study On Shear Properties for Adherence of New and OldConcrete and Its Practical Calculation

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