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碳/芳纶/玻璃层间混杂纤维布加固腐蚀梁抗弯性能

Keywords: 腐蚀,混杂,纤维,混凝土

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Abstract:

为了研究用良好延性的混杂纤维增强聚合物(HFRP)加固腐蚀结构的可行性.研究了碳(CFRP)/芳纶(AFRP)/玻璃纤维(GFRP)层间混杂纤维布加固腐蚀梁的抗弯性能,结果表明:CFRP/AFRP/GFRP层间混杂纤维布加固腐蚀梁的开裂、屈服、峰值、极限荷载比未加固腐蚀梁分别提高了14%、35%、102%和109%,而位移延性系数降低了11%.在试验研究的基础上,给出了HFRP布加固腐蚀梁的承载力计算方法,理论计算值与试验值吻合良好.

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