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Concrete panel crushing failure repairing structure and construction method

A technology for concrete panels and repairing structures, applied in water conservancy projects, marine engineering, dams, etc., can solve problems such as repeated extrusion damage, and achieve the effect of great promotion and application value

Inactive Publication Date: 2017-06-13
CHANGJIANG SURVEY PLANNING DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for dam deformation, especially for face dams whose settlement has not been stabilized, repeated extrusion failures often occur, such as Tiansheng Bridge, after the first-level vertical joint extrusion damage was repaired, it was damaged again in the repaired area

Method used

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  • Concrete panel crushing failure repairing structure and construction method

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Embodiment Construction

[0020] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings, but they do not constitute a limitation to the present invention, they are only examples, and at the same time, the advantages of the present invention will become clearer and easier to understand.

[0021] refer to figure 1 Shown: a concrete panel extrusion damaged repair structure, there is a vertical seam 2 on the concrete panel 1, a rubber plate 3 is installed on the middle and upper part of the vertical seam 2, and there is a concrete panel above the vertical seam 2 In the damaged area 1.1, the concrete in the damaged area 1.1 of the concrete panel is excavated in advance and the repair material 5 is filled; a V-shaped groove 7 is reserved on the top of the vertical joint 2, and plastic materials are filled in the V-shaped groove 7 6. An anti-seepage cover sheet 9 is provided on the concrete panel 1 above the vertical joint 2, and both sides ...

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Abstract

The invention discloses a concrete panel extrusion damage repair structure and a construction method. There are vertical joints (2) on the concrete panel (1), and the feature is that rubber is installed on the middle and upper parts of the vertical joints (2). The slab (3) has a concrete panel damage zone (1.1) above the vertical joint (2), and the concrete in the concrete panel damage zone (1.1) is excavated in advance and filled with repair materials (5); A V-shaped groove (7) is reserved at the top of the seam (2), and plastic material (6) is filled in the V-shaped groove (7), and the concrete panel (1) above the vertical seam (2) An anti-seepage cover sheet (9) is arranged on the top, which overcomes the shortcomings of the dam deformation in the prior art, especially the face dam whose settlement has not been stabilized, which often occurs repeated extrusion damage, and has the ability to completely solve the problem caused by the face extrusion to the concrete face. Advantages of damage and leakage.

Description

technical field [0001] The invention relates to the technical field of concrete face dam rockfill, and more specifically relates to a concrete face extrusion damage repair structure and a construction method. Background technique [0002] Extrusion failure of concrete face dams is a prominent problem encountered by high face rockfill dams in recent years. Face dams such as Sanbanxi and Busi. Extrusion damage mostly occurs in compressive vertical joints, developing downward from the dam crest to the middle of the dam or 1 / 3 of the dam height; for high dams, the process of downward development of extrusion damage to vertical joints is often accompanied by horizontal extrusion destroy. Extrusion damage causes the peeling of the concrete on the surface of the face plate and the increased deformation of the copper waterstop, and the extrusion damage often occurs in the water level amplitude range, which seriously affects the durability and long-term operation safety of the dam....

Claims

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Application Information

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IPC IPC(8): E02B3/16E02B7/06
CPCE02B3/16E02B7/06
Inventor 谭界雄田金章王秘学周晓明
Owner CHANGJIANG SURVEY PLANNING DESIGN & RES
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