Roof with approximately quadrate plane and super large space pre-stressed steel grid structure and manufacturing method thereof
A grid structure, prestressed steel technology, applied in the direction of truss structure, girders, building structures, etc., can solve the problem of not meeting the needs of use, and achieve the reduction of steel consumption, structural height reduction, and internal force reduction. Effect
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[0029] Embodiment of the present invention: the ratio of the long side L1 and the short side L2 of the roof plane is 1≤L1 / L21 and 0.3L 2 The four shuttle-shaped space tube trusses at the position are made into support strut type cable-stayed self-balancing orthogonal space tube trusses, and at the same time, the four support bar-type cable-stayed self-balancing space tube trusses are connected orthogonally to each other; Control the central structure height of all the shuttle-shaped space tube trusses and the central structure height of the four-branched cable-stayed self-balancing orthogonal space tube trusses in the range of L2 / 18~L2 / 16, so that the A prestressed steel grid structure roof with an approximately square plane and super large space without columns in the middle is obtained; the support bar-type cable-stayed self-balancing orthogonal space tube truss is based on the structure of the conventional shuttle-shaped space tube truss, and Upper support rods for supporti...
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