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CFRP加固在用混凝土梁抗弯承载力研究

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摘要 由于在用的混凝土梁在加固前没有卸载或没有完全卸载,CFRP加固后梁存在二次受力的影响。研究发现,二次受力影响了加固在用混凝土梁的裂缝分布与发展,以及梁的抗弯刚度;同时二次受力对加固梁的抗弯承载力影响显著,初始弯矩越大,加固后梁的承载力越小。
出处 《四川建筑》 2009年第1期127-128,共2页 Sichuan Architecture
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