confinement concrete 约束混凝土
Confinement of concrete results in a modification of the effective stress-strain relationship: higher strength and higher critical strains are achieved.
混凝土约束改变了有效应力-应变关系：造成强度和临界应变的增加。
For the same lateral confinement, high strength concrete columns develop lower strength enhancement than normal strength concrete columns.
在相同的侧向约束下，高强混凝土柱的核心强度提高幅度低于普通混凝土柱。
The results indicate that the confinement of fiber sheet can increase the compressive strength and ultimate strain of reinforced concrete column remarkably.
结果表明：纤维布包裹加固钢筋混凝土柱的轴心抗压承载能力和极限应变明显提高；
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