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Introduction
The header is a hydraulic equipment which uses oil pump as power and cold heading high strength steel wire in prestressed construction. In the prestressed tension anchorage, due to the header anchorage has good anchoring performance, flexible tonnage layout, wide adaptability, convenient tensioning operation, can be easily repeated tensioning to make up for part of the stress loss, so that high-strength steel can be fully utilized, so a large number of high-strength wire head anchoring methods at home and abroad have been widely used in the pre-tensioning method or post-tensioning Production of Bridges, sleeper, pole, large hydraulic press frame, large hydraulic building, nuclear reactor containment, protective shell and industry and civil housing construction in the roof plate, V-shaped folding plate, lift plate and other components.
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