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Internal supporting and tensioning system for spatial warping curve type special-shaped antisymmetric steel main tower

A special-shaped anti-symmetric and space-distorting technology, applied in bridge parts, bridge materials, bridges, etc., can solve problems such as difficulty in controlling linearity and stability, and achieve the effect of simple structure, satisfying tension requirements and cost saving.

Active Publication Date: 2016-10-12
SHANGHAI CIVIL ENG GRP FIFTH +1
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Problems solved by technology

[0003] For the special-shaped antisymmetric steel main tower with space warping curve, it is especially difficult to control the line shape and stability

Method used

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  • Internal supporting and tensioning system for spatial warping curve type special-shaped antisymmetric steel main tower
  • Internal supporting and tensioning system for spatial warping curve type special-shaped antisymmetric steel main tower
  • Internal supporting and tensioning system for spatial warping curve type special-shaped antisymmetric steel main tower

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following examples.

[0031] An internal support and tensioning system of a special-shaped antisymmetric steel main tower with a space distortion curve, including an internal support structure and a tension structure, the internal support structure includes a main tower steel box girder 1, a column 4 and a horizontal truss 2, and the main tower steel The box girder 1 is arranged at the lower part of the steel main tower 3 and is horizontally connected with the steel main tower 3. The column 4 is arranged on the steel box girder 1 of the main tower and is vertically connected with the horizontal truss 2. The horizontal truss 2 has several layers, and the horizontal truss The two ends of 2 are connected with the inner side of steel main tower 3;

[0032] The tension structure includes steel strand temp...

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Abstract

The invention discloses an internal supporting and tensioning system for spatial warping curve type special-shaped antisymmetric steel main tower. The internal supporting and tensioning system comprises an internal supporting structure and a tensioning structure, wherein the internal supporting structure comprises a main tower steel box beam, upright pillars and a horizontal truss; the tensioning structure comprises steel strand temporary ropes which are stretched in line, tensioning ends of the steel strand temporary ropes are arranged on one side of a concave arc-shaped surface of the steel main tower and are connected with anchor boxes of tower sections, and fixed ends of the steel strand temporary ropes are arranged at a bridge floor steel box beam; and the steel strand temporary ropes and the horizontal truss are mutually matched from the left and right sides of the tower sections to support so as to maintain the line type of the steel main tower. According to the internal supporting and tensioning system, steel strand temporary ropes and the horizontal truss are mutually matched from the left and right sides of the tower sections so as to simultaneously support and stretch, so that the line type structure of the steel main tower is guaranteed, and the transverse and longitudinal stabilities of the steel main tower are guaranteed.

Description

technical field [0001] The invention relates to the field of bridge construction, in particular to an internal support and tensioning system of a special-shaped antisymmetric steel main tower with a space twisting curve. Background technique [0002] With the continuous advancement of science and technology, bridge construction has developed by leaps and bounds. Especially since the beginning of the 21st century, bridge construction has flourished. There are countless long-span bridges across rivers. Stayed bridges and suspension bridges, among them, cable-stayed bridges mainly use cable towers, main girders, and cable-stayed cables as load-bearing components, and the types of cable towers are mostly A-shaped, inverted Y-shaped, H-shaped, and single columns, and the space distortion curve is antisymmetric The form of the steel main tower is still rare. At present, in the construction process of the steel main tower of the cable-stayed bridge, because the steel tower column i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/14E01D101/32
CPCE01D19/14E01D2101/32
Inventor 唐俊刘明友翟溯黄忠睦吴宏剑姜杰朱淑兰
Owner SHANGHAI CIVIL ENG GRP FIFTH
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