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预应力混凝土用钢丝是通过特殊的加工手段,使其获得了高强度,并且在使用中通过张拉手段使混凝土构件形成了一种应力、其具有以下特点: A.可以大幅度提高构件的承载能力;
The steel wire for prestressed concrete is obtained through special processing means to obtain high strength, and in use, the concrete member forms a kind of stress by means of tensioning, and has the following characteristics: A. The bearing capacity of the member can be greatly improved. ability;