ultimate compressive strain of concrete 混凝土极限压应变 unbonded prestressed concrete structure 无粘结预应力混凝土结构 ..
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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；
One important application of FRP composites is as a confining material for concrete. FRP confinement can enhance both the compressive strength and the ultimate strain of concrete significantly.
其中一项重要的用途就是通过缠绕FRP提供的约束来加固修复钢筋混凝土柱，FRP约束钢筋混凝土柱的抗压强度和延性都得到很大的提高。
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