Construction method for adjustable triangular bracket

Abstract

The invention discloses a construction method for an adjustable triangular bracket. The construction method comprises the following steps: reserving a groove for holding an upper supporting plate and an opposite-pull rod at bracket arranging positions in advance in the constructing process of a pier body, and anchoring the upper supporting plate on the outer surface of a pier column; hinging one end of a horizontal beam to the upper supporting plate; inserting the upper end of a hanger rod into an upper reserved hole of the upper supporting plate; inserting the lower end of the hanger rod into a lower reserved hole of a lower supporting plate, fixing the upper and lower ends by adopting nuts, and vertically attaching the hanger rod to the outer surface of the pier column; hinging one end of an oblique rod to the lower supporting plate; hinging the other end of the oblique rod to one end, which is far away from the outer surface of the pier column, of the horizontal beam to form a stable right-angle triangular structure. The entire bracket can be arranged and detached rapidly by adjusting the horizontal angle of the horizontal beam in a way of adjusting the nuts at the upper and the lower ends of the hanger rod. The construction method is suitable for any cantilever structure of which the cantilever length is below 7.5 meters, and can be used repeatedly.

Description

technical field [0001] The invention relates to a construction technology of a temporary support for a cantilever structure of a continuous beam pier top cast-in-place block, a side-span cast-in-place block and a closing dragon block, in particular to a construction method of an adjustable triangular bracket. Background technique [0002] At present, there are roughly three methods for the construction of cantilever structures such as pier top cast-in-place blocks, side-span cast-in-place blocks and closing dragon blocks for continuous beams in China, namely: floor support method, hanging basket construction method and micro-bracket method. However, these structures have various disadvantages to varying degrees: the floor support method has a large initial cost investment; the hanging basket construction method will cause secondary stress in the beam; the ordinary micro-bracket method is more complicated to set up the embedded parts, and the post-processing is difficult, and ...

AI Technical Summary

Problems solved by technology

However, these structures have various disadvantages to varying degrees: the floor support method has a large initial cost investment; the hanging basket construction method will cause secondary stress in the beam; the ordinary micro-bracket method is more complicated to set up the embedded parts, and the post-processing is difficult, and the construction is limited. High reliability, mostly for one-time use, low reuse rate

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