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GFRP复合材料与粘土砖单剪粘结试验研究
王全凤,陈莹,黄奕辉,杨勇新,林建华
摘 要
(华侨大学土木工程学院,泉州 362021)
[摘要]采用玻璃纤维复合材料粘土砖单剪试验方法,考虑GFRP粘结长度、粘结宽度、粘结树脂的类型及粘贴层数等因素,对GFRP与粘土砖之间的极限粘结荷载进行了深入研究。研究结果表明,粘结破坏有GFRP剥离破坏和GFRP断裂破坏两种形式; GFRP粘结长度、粘结宽度、粘结树脂的类型、粘贴层数及砖抗压强度等因素对极限粘结荷载有显著影响。
[关键词]玻璃纤维复合材料;粘土砖;单剪粘结试验;极限粘结荷载
Experimental study on single shear strength between GFRP and clay brickWang Quanfeng, Chen Ying, Huang Yihui, Yang Yongxin, Lin Jianhua
(College of Civil Engineering, Huaqiao University, Quanzhou 362021, China)
Abstract:The bond strength between GFRP and clay brick is studied by experiments on a single shear test setup with emphasis on the effects of the GFRP bond length, bond width, type of bond resin and bond layer. Following conclusions are drawn from the study: 1) there are two kinds of failure modes, namely GFRP debonding failure and GFRP rupturing failure; 2) the bond length, bond width, type of bond resin, bond layer and compressive strength of clay brick have significant effects on utmost bond strength.
Keywords:GFRP; clay brick; single shear test; ultimate bond strength
*国家高技术研究发展计划(863)项目(2001AA336010)。
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