Suspension bridge gravity type anchorage and tunnel combined structure and co-construction method thereof

A combined structure and gravity-type technology, applied in the direction of suspension bridges, tunnels, bridge forms, etc., can solve the problems of large environmental disturbances, large angles, and high costs between the main cable and the bridge seat

Inactive Publication Date: 2021-09-14
CHINA MAJOR BRIDGE ENERGINEERING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in order to avoid mutual interference between the anchorage structure and the tunnel, the tunnel and the anchorage structure are separated from each other on the plane and maintain an appropriate safety distance, and the main cables of the side spans of the suspension bridge ...

Method used

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  • Suspension bridge gravity type anchorage and tunnel combined structure and co-construction method thereof
  • Suspension bridge gravity type anchorage and tunnel combined structure and co-construction method thereof
  • Suspension bridge gravity type anchorage and tunnel combined structure and co-construction method thereof

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Embodiment Construction

[0041] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0042] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0043] The embodiment of the present application provides a suspension bridge gravity anchorage and tunnel composite structure and a co-construction method thereof.

[0044] see figure 1 , figure 2 and image 3...

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Abstract

The invention discloses a suspension bridge gravity type anchorage and tunnel combined structure and a co-construction method thereof, and relates to the technical field of bridge engineering. The co-construction method comprises the steps: excavating a foundation pit in a mountain; then, pouring an anchorage foundation with a tunnel into the foundation pit; communicating the tunnel in the anchorage foundation with the tunnel in the mountain; and finally, pouring an anchor body on the foundation. The anchor body comprises an anchor block which is located above the foundation and used for anchoring a main cable strand, a splay cable saddle buttress which is supported at the front end of the anchorage foundation and used for supporting a splay cable saddle structure, and an anchor chamber which is located between the anchor block and the splay cable saddle buttress and used for protecting a main cable structure. According to the method, the tunnel and the anchorage are built together, and compared with a conventional gravity type anchorage building scheme, the foundation excavation amount is saved, and disturbance to the environment in the construction process is relatively small.

Description

technical field [0001] The invention relates to the field of bridge engineering, in particular to a suspension bridge gravity anchorage and tunnel co-construction mechanism and a co-construction method thereof. Background technique [0002] Suspension bridges are the main construction form of long-span bridges, usually composed of main cables, stiffening beams, bridge towers, saddles, anchorages, suspension cables and other components. The anchor is the anchor of the main cable and one of the main stress-bearing components of the suspension bridge. The anchor transmits the tension of the main cable to the foundation. The construction method of anchorage usually adopts tunnel type anchorage or gravity type anchorage. Tunnel-type anchorage achieves the effect by transferring the tension of the main cable from the anchorage through the anchor body to the surrounding rock mass. It is generally used in places with few joints and good rock performance. The gravity anchorage reli...

Claims

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Application Information

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IPC IPC(8): E01D11/02E02D17/02E01D19/14E02D17/20E02D15/02E01D21/00E21D9/14
CPCE01D11/02E02D17/02E01D19/14E02D17/20E02D15/02E01D21/00E21D9/14
Inventor 汪威刘科峰杨光武梅新咏郑亚鹏刘奇顺李林邹敏勇
Owner CHINA MAJOR BRIDGE ENERGINEERING
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