Construction method for dismounting space special-shaped large-tonnage steel beam bracket
A construction method and large-tonnage technology, applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of high construction risk, small working space, and many high-altitude construction, so as to reduce construction costs and improve recycling and reuse. , the effect of ensuring safety and reliability
Active Publication Date: 2019-10-25
CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD +1
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Problems solved by technology
[0002] At present, brackets beside the pier are often used to assist in the erection of steel beams on the top of bridge piers. After the steel beams are erected, it is difficult to remove the brackets beside the pier. It has the characteristics of small working space, more high-altitude construction, and high construction risks.
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[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] A construction method for removing spatially heterogeneous large-tonnage steel beam brackets, combining figure 1 , figure 2 , including the following steps:
[0025] 1) The bracket 2 next to the pier is split into upper and lower layers, which are bracket 21 and bracket 22 respectively. The bracket 21 is a square frame structure com...
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The invention relates to a construction method for dismounting a space special-shaped large-tonnage steel beam bracket. The construction method comprises the following steps: (1) a pier-side bracket is split into an upper layer and a lower layer, namely a bracket and a support, and the bracket is positioned at the upper end of the support; (2) a plurality of continuous jacks are erected on a bridge deck and connected with the bracket through steel strands; (3) the support is disassembled; and (4) the bracket is dismounted after being lowered to the ground through the continuous jacks. The construction method provided by the invention has the advantages that the hoisting weight is heavy; the construction space is small; the construction with multiple high-altitude operations is converted into ground construction; the construction difficulty is greatly reduced; the construction efficiency is improved; and the construction risk is reduced.
Description
technical field [0001] The invention relates to the technical field of construction of steel beam brackets on bridge pier tops, in particular to a construction method for removing spatially heterogeneous large-tonnage steel beam brackets. Background technique [0002] At present, brackets beside the pier are often used to assist in the erection of steel beams on the top of bridge piers. After the steel beams are erected, it is difficult to remove the brackets beside the pier. It has the characteristics of small working space, more high-altitude construction, and high construction risks. . Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a construction method for removing spatially heterogeneous large-tonnage steel beam brackets in view of the defects in the prior art. [0004] In order to solve the above-mentioned technical problems, the present invention provides a construction method for dismantling the space-h...
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Login to View More IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 周松孙国光赵进文妥鹏王晓亮陈文盛王锐安浩兵吴汉湘钱玉山李鑫廖远龚金才
Owner CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD