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Construction technology of pipeline suspension cable span bridge body installation

A construction technique and bridge-spanning technology, which is applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., which can solve the problems of large workload, long period and high risk of site leveling and construction, and achieve the effect of strong adaptability

Active Publication Date: 2014-09-24
SICHUAN GASOLINEEUM CONSTR ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a construction technique applicable to the installation of pipeline suspension cables spanning the bridge body in various terrains, so as to solve the problems of site leveling and construction caused by the existing symmetrical method of bridge body installation. Long-term, high-risk issues

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  • Construction technology of pipeline suspension cable span bridge body installation
  • Construction technology of pipeline suspension cable span bridge body installation

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Embodiment Construction

[0046] The present invention will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

[0047] The crossing of an oil and gas pipeline project needs to cross the river. The landform on the west bank is relatively steep, with an average of 60 degrees, and the river is not navigable. Therefore, if the bridge body is installed using the symmetrical method, a large number of road construction and site leveling work will be required, and the transportation safety risk is high.

[0048] The construction technology for the installation of the pipeline suspension cable spanning the bridge body includes the following contents:

[0049] For the analysis of the process implementation process, the relatively gentle east bank is selected as the sending bank for spanning structure prefabrication, installation and sending, and the bridge body sending platform 3 is set on the east bank.

[0050] According to the sit...

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Abstract

The invention discloses a construction technology of pipeline suspension cable span bridge body installation, and belongs to the technical field of pipeline suspension cable span bridge construction. The construction technology includes the following contents of A, technology implementation process analysis, wherein the side of which the terrain is more flat of two shores serves as the sending shore, and the mechanics condition of a pipeline suspension cable span bridge structure in the installation process is analyzed, B, bridge body grouping, C, pre-displacement setup of towers on the two shores, D, lifting of the first group of bridge body, E, lifting of the rest bridge body and F, monitoring in the installation process and after a bridge is built. By means of the construction technology of pipeline suspension cable span bridge body installation, the asymmetric installation of the bridge body is achieved, the adaptability to the project territory is high, the transportability is achieved for most of the span structures, the workload of the site flattening construction and construction difficulty are low, the cycle is short, and the efficiency is higher.

Description

technical field [0001] The invention relates to the technical field of construction of a pipeline suspension spanning bridge, in particular to a construction technique for installation of a pipeline suspension spanning bridge body. Background technique [0002] Pipelines crossing rivers, canyons, etc. often use pipeline suspension cables to span structures. Towers are built on both sides of the river. The pipeline is supported on the bridge body between the towers on both sides of the river. Due to its low investment and mature construction technology, the suspension cable spanning structure is widely used in the spanning structure. Usually the spanning structure of the suspension cable is a flexible structure, that is, the foot of the tower is hinged, and the width-span ratio of the truss bridge body is much smaller than that of the ordinary suspension bridge. [0003] Due to the geomorphological characteristics of the construction site, the installation of the bridge body...

Claims

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Application Information

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IPC IPC(8): E01D21/00
Inventor 张杰王学军来阳月星罗子波王志强黄正
Owner SICHUAN GASOLINEEUM CONSTR ENG
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