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Precautions for acceptance of ···

1. The acceptance of prestressed steel should be carried out in accordance with relevant national standards. The test instruments should be national legal measu···
Precautions when using prestre···

1. It is strictly prohibited to use any form of heating deformation measures during the use of prestressed steel to avoid reducing the mechanical properties of ···
Precautions for storage of pre···

Prestressed steel should be stored in dry storage.For open-air and on-site storage, sleepers should be erected on the ground, strictly in direct contact with th···
High-tech new metal materials ···

Prestressed steel strands have a series of advantages such as high strength, low relaxation value, can save a lot of metal materials, reduce the size of concret···