A method for installation and construction of various pipelines in a continuous girder bridge
A pipeline installation and construction method technology, applied to bridges, bridge construction, erection/assembly of bridges, etc., can solve problems such as construction difficulties and unreasonable economics, and achieve the effects of saving construction period, economical rationality, and improving labor production efficiency
Active Publication Date: 2016-01-20
CHINA CONSTR SIXTH ENG BUREAU CIVILENG +1
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Problems solved by technology
For the construction requirements of the cross-river pipeline, the installation and construction of the super-long prestressed variable cross-section concrete continuous girder bridge pipeline, in order to ensure the quality of the project and the requirements of the construction period, according to the conventional construction method, the construction is difficult and economically unreasonable
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Embodiment 1
[0022] (1) Prefabricate and process a plurality of steel platforms 4, the steel platforms 4 are open box bodies, each side of the box body is composed of a plurality of channel steels fixedly connected at intervals, and a plurality of steel platforms A steel platform 4 in the platform 4 is equipped with a first guide pulley whose axis is arranged along the horizontal direction; On the working surface 5; (3) Utilize the automobile crane 7 to pass the steel wire traction rope 2 from the box girder rear casting belt 1 and lower it, and lift the first steel platform 4 to the design elevation by the hook of the steel wire traction rope 2, And be connected with the pre-embedded steel plate on the continuous box girder 3; (4) repeat the described step (3), install the second steel platform 4 along the longitudinal direction of the bridge and connect the second steel platform with the first steel platform Platform welding is connected; (5) repeat described step (4) until finishing the...
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The invention discloses a mounting construction method for various pipelines of a continuous beam bridge. The mounting construction method comprises the following steps of (1) prefabricating and processing a plurality of steel platforms, wherein a first guide pulley is mounted on one of the steel platforms; (2) arranging the prefabricated steel platforms on a working surface at the lower part of a continuous box beam between two piers; (3) lifting the first steel platform to a standard designed height, and connecting the first steel platform with a pre-buried steel plate on the continuous box beam; (4) repeating the step (3), mounting the second steel platform along the longitudinal direction of the bridge, and connecting the second steel platform with the first steel platform in a welding manner; (5) repeating the step (4) until the mounting of the whole steel platform is finished; (6) respectively mounting a winch and a second guide pulley on two opposite sides of the continuous box beam along the longitudinal direction of the bridge; (7) conveying a steel slideway and the pipelines to designed positions by the winch. The method disclosed by the invention cannot be affected by the geographical environment and the local atmospheric temperature.
Description
technical field [0001] The invention relates to a bridge pipeline installation and construction method, in particular to a continuous beam bridge multiple pipeline installation and construction method. Background technique [0002] In bridge construction, hanging basket cantilevered continuous box girder is the most commonly used bridge superstructure form in bridge construction. Currently, prestressed concrete continuous rigid frame bridges spanning deep valleys, large rivers and rapids. The piers of the substructure main bridge adopt solid piers and pile foundations, and the superstructure main bridge adopts the construction method of cantilever pouring. For cross-river pipeline construction requirements, the installation and construction of ultra-long prestressed variable-section concrete continuous girder bridge pipelines, in order to ensure project quality and construction period requirements, according to conventional construction methods, construction is difficult an...
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IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 王丽梅李老民孙旭平纪汶佐
Owner CHINA CONSTR SIXTH ENG BUREAU CIVILENG