The value of the allowable ultimate tensile strain,prestress level,and prestress loss of RC beam externally strengthened with prestressed CFRP sheets are proposed based on the domestic and abroad researches.
通过试验及对国内试验数据分析,提出了预应力碳纤维加固混凝土梁碳纤维的允许极限拉应变的上限、施加的预应力水平、预应力损失的取值,为工程结构加固提供了一定的参考依据。
