Lanyard hanging basket sliding installation method

Abstract

The invention discloses a slipping installation method of a guyed travelling carriage. The method comprises the following steps: (1) driving a steel pipe pile in a place near a main tower foundation in the construction process of a main girder 0# block, arranging an expanded foundation on the ground, and respectively arranging a third distributive girder a second distributive girder on a cushion cap and the expanded foundation; (3) installing a bailey beam (3), arranging first distributive girders on the top surface of the bailey beam at equal intervals, welding and fixing with a slideway; (4) splicing; (5) slipping; (6) hoisting and lifting; and (7) lifting in place. The slipping installation method has the advantages that a splicing platform of the guyed travelling carriage can be arranged in a shore place near a main tower pier; the expanded foundation or a driven steel pipe pile can be adopted as a support structure of the splicing platform; splicing of the guyed travelling carriage can be synchronously carried out in the construction process of the main girder 0# block; the construction period is shortened; the guyed travelling carriage is safe and reliable in slippage, and convenient to construct; after the guyed travelling carriage slips in place, a hoisting device is arranged by virtue of the main girder structure; large hoisting equipment is not needed; and the construction is convenient and fast.

Description

technical field [0001] The invention relates to the technical field of bridge construction, in particular to a sliding installation method of a dragline hanging basket. Background technique [0002] The stay cable hanging basket is mainly used in the construction of the main girder of the prestressed concrete cable-stayed bridge. It uses the cable stay cable of the beam section to be poured as the front fulcrum of the hanging basket to provide supporting force, and anchors the rear end of the hanging basket to the poured beam section to bear the beam body. Construction equipment that has its own weight and construction load and can move forward section by section. [0003] The common installation methods of the lanyard hanging basket mainly include the following: [0004] The first one is that after the construction of block 0# of the main beam is completed, the support is removed, and the dragline hanging basket is assembled on the ground into a whole, and then the draglin...

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Problems solved by technology

[0006] For the above two construction methods, the assembly time of the dragline hanging basket is affected by the construction of the 0# block of the main beam. The construction of the 0# block of the main beam must be completed, and the hanging basket can be assembled after the 0# block support is removed, which takes a long time. construction period

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