An asymmetric construction method and control method for the main truss of a long-span flexible suspension bridge

A main truss and long-span technology, applied in the direction of suspension bridges, bridges, bridge construction, etc., can solve the problem that the main truss cannot be hoisted symmetrically, achieve bridge engineering technology satisfaction, improve management level, and save the hoisting period
CN109137744BActive Publication Date: 2020-07-31CENT & SOUTHERN CHINA MUNICIPAL ENG DESIGN & RES INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CENT & SOUTHERN CHINA MUNICIPAL ENG DESIGN & RES INST CO LTD
Publication Date
2020-07-31

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Abstract

The invention belongs to the construction field of oil and gas pipeline suspension bridges, and discloses an asymmetric construction method and a control method for a main truss of a long-span flexible oil and gas pipeline suspension bridge, and solves the technical problem that the main truss cannot be symmetrically hoisted due to the limitation of the construction site, and features low investment, high construction speed and safety. In the asymmetrical hoisting construction of long-span flexible suspension bridge, the construction method and construction control technology must be used at the same time, so that the bridge construction can reach the maximum bridge design state and ensure the safety of the construction process. The invention successfully solves the technical problem thatthe main truss of the long-span flexible suspension bridge can not be symmetrically hoisted due to the limitation of the construction site, and ensures the safety of the construction process state through the control technology, the completed state of the bridge is completely consistent with the design state as far as possible, and the bridge engineering technology meets the requirements of the corresponding specifications.
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Description

Technical field

[0001] The invention belongs to the construction of a suspension bridge for oil and gas pipelines, and particularly relates to an asymmetric construction method and a control method for the main truss of a large-span flexible suspension bridge. Background technique

[0002] At present, the existing technology commonly used in the industry is as follows:

[0003] Suspension bridge is a bridge type with reasonable structure. It can give full play to the performance of cable tension, beam bending, and tower compression members. It is one of the most competitive bridge types among long-span bridges. In the highway municipal industry, suspension bridges are commonly used bridge types. At present, the suspension bridge main truss hoisting method in the highway and municipal industries adopts the following two more mature construction methods: (1) the symmetrical hoisting method at both ends to the mid-span closing method; (2) the symmetrical hoisting method starting from...

Claims

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