玻璃纤维增强聚合物棒与超高强度混凝土之间的粘结

IF 1.3 Q3 CONSTRUCTION & BUILDING TECHNOLOGY

Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2018-07-13 DOI:10.1680/JCOMA.16.00032

K. Hossain, D. Ametrano, M. Lachemi

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引用次数: 11

摘要

本文研究了涂砂玻璃纤维增强聚合物钢筋在超高强度混凝土中的粘结特性。共对216个拉拔试件进行了不同参数的试验:杆径分别为15.9和19.1 mm;钢筋的预埋长度为钢筋直径的三倍、五倍和七倍;标准和高杆模组;混凝土强度分别为129,145,175mpa。描述了这些参数对粘结强度、载荷-滑移特性和破坏模式的影响。并将北美各种规范预测的键应力与实验结果进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The bond between glass-fibre-reinforced polymer bars and ultra-high-strength concrete

This paper presents the bond characteristics of sand-coated, glass-fibre-reinforced polymer bars in ultra-high-strength concrete. A total of 216 pullout specimens were tested with variable parameters: bar diameters of 15·9 and 19·1 mm; bar embedment lengths of three, five and seven times the bar diameter; standard and high bar moduli; and concrete strengths of 129, 145 and 175 MPa. The influences of these parameters on bond strength, load–slip characteristics and failure modes are described. The bond stresses predicted from various North American codes are compared with those obtained from experiments.

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来源期刊

Proceedings of the Institution of Civil Engineers-Construction Materials CONSTRUCTION & BUILDING TECHNOLOGY-

CiteScore

3.80

自引率

0.00%

发文量