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Construction method of omega-shaped cross-sea temporary steel trestle

A construction method and technology for steel trestle bridges, applied in the directions of bridges, bridge construction, bridge parts, etc., can solve the problems of temporary steel trestle bridge construction difficulties, shortening construction period and other problems

Active Publication Date: 2021-04-20
中铁二十局集团第三工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a construction method for a temporary cross-sea steel trestle bridge in the shape of a zigzag in view of the deficiencies in the above-mentioned prior art. A temporary steel trestle in the shape of a zigzag is erected across the sea. The main body of the steel trestle and the channel-type support trestle together can provide a safe and reliable construction platform for the construction of the bridge to be built. The construction method of the temporary steel trestle is simple and convenient for construction, which solves the problem The problem of difficult construction of temporary steel trestle bridges in the sea area can shorten the construction period

Method used

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  • Construction method of omega-shaped cross-sea temporary steel trestle
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  • Construction method of omega-shaped cross-sea temporary steel trestle

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Embodiment Construction

[0058] Such as figure 1 , figure 2 and image 3 As shown, the temporary steel trestle bridge of the present invention includes a steel trestle main body erected on one side of the bridge to be built, and the bridge to be built includes a main span bridge to be built and approach bridges to be built arranged at both ends of the main span bridge to be built , the main span bridge to be built includes a concrete bridge body erected across the sea and a plurality of concrete piers arranged under the concrete bridge body, the main body of the steel trestle bridge is erected on one side of the main span bridge to be built, the The two ends of the main body of the steel trestle bridge are connected with a steel approach bridge erected on one side of the approach bridge to be built. The main body of the steel trestle bridge includes a main bridge section 1-1, two of which are respectively arranged at the two ends of the main bridge section 1-1. The connecting bridge section used to...

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Abstract

The invention discloses a construction method of an omega-shaped cross-sea temporary steel trestle. The construction method comprises the steps that 1, a bridge abutment and a steel approach bridge are constructed; 2, two connecting bridge sections are constructed; 3, two transition bridge sections are constructed; and 4, a main bridge section is constructed. The omega-shaped cross-sea temporary steel trestle is erected in a sea-crossing mode under the condition that the geographical positions of an existing wharf, a first dam and a second dam are combined, a steel trestle body and a channel type supporting trestle can jointly provide a safe and reliable construction platform for construction of a bridge to be built, and the construction method of the temporary steel trestle is simple and convenient to construct. The problem that a temporary steel trestle in a super-large-span sea area is difficult to construct is solved, and the construction period can be shortened.

Description

technical field [0001] The invention belongs to the technical field of construction of a temporary steel trestle bridge, and in particular relates to a construction method of a several-shaped temporary steel trestle bridge across the sea. Background technique [0002] The bridges to be built include the main span bridge to be built, the first approach bridge to be built and the second approach bridge to be built. The total length of the bridge to be built is 1775.8m, the total length of the first approach bridge to be built is 720m, and the total length of the second approach bridge to be built For the second approach bridge to be built and the first approach bridge to be built with a total length of more than 500m, according to the actual situation of the project and the overall construction arrangement, it is necessary to lay bridges along the direction of the bridge to be built between the east and west bank embankments during the construction process. A temporary steel t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00E01D15/133E01D19/00E01D19/02E02D5/28
Inventor 李宏强吴青华任高峰朱清利陈国庆王锋唐辉
Owner 中铁二十局集团第三工程有限公司
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