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国内做预应力钢绞线的试验方法混乱、所用夹具的设计不合理 ,拉伸时钢绞线各股钢丝受力不均。建议对钢绞线的试验方法作出明确的规定。
Test method of domestic prestressed strand made confusion, the design of the fixture used unreasonable, tensile strands of steel strands force uneven. It is recommended that the test method of strand be clearly defined.