Long-span deformed steel truss and floor steel structure installation and construction method
A floor-to-ceiling steel structure and special-shaped steel technology, which is applied in the direction of building structure, construction, and building material processing, can solve the problems of complex building layout and difficult travel of large-tonnage cranes, and achieve easy assembly on site and increase spatial stability. , the effect of high product quality
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[0055] Example 1
[0056] (1) Build a plurality of lifting frame foundations 12 along the inner side of the symmetrically arranged stadium stands 7 on the left and right sides of the stadium and in a direction parallel to the stairs 7, and then install steel on each lifting frame foundation 12 Structure lifting frame 13, and then installing lifting frame platform 4 on said steel frame lifting frame 13;
[0057] (2) Install a lifter 5 on the lifting frame platform 4, and connect a steel strand 3 at the lower end of the lifter 5;
[0058] (3) Install a temporary tower 14 on the ground of the first lifting block unit 1 between the stairways 7 on both sides, and assemble the first lifting block unit 1 of the main grid on the temporary tower. The distance between the left and right ends of the lifting block unit 1 is smaller than the distance between the inner sides of the terraces 7 on both sides, and the distance between the front and rear ends of the first lifting block unit 1 is smal...
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