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Underwater water stop structure for prefabricated abutment and construction method thereof

A technology of prefabricated piers and prefabricated piers, applied in bridge parts, erection/assembly of bridges, bridges, etc., can solve the problems of high cost of water-stopping devices, large amount of engineering, low construction efficiency, etc., and achieve good and effective water-stopping effect. The effect of stopping water and reducing environmental pollution

Pending Publication Date: 2021-04-23
CCCC SECOND HARBOR ENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In traditional construction, the overall casing + large-volume concrete bottom seal water-stop scheme is often used. In recent years, new water-stop methods such as water-stop trays + inflatable capsules have also appeared. Under these conditions, the cost of the water stop device is high and the construction efficiency is low, so it is very necessary to optimize the related water stop technology

Method used

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  • Underwater water stop structure for prefabricated abutment and construction method thereof
  • Underwater water stop structure for prefabricated abutment and construction method thereof
  • Underwater water stop structure for prefabricated abutment and construction method thereof

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Embodiment Construction

[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0034] In the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", " The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not indicative or implied. It should not be construed as limiting the invention that a device or element must have a particular orientation, be constructed, and operate in a particular orientation.

[0035] like Figure 1-4 As shown, an underwater water-stop structure suitable for prefabricated piers is arranged between th...

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Abstract

The invention discloses an underwater water stop structure for a prefabricated abutment and a construction method thereof. The underwater water stop structure is arranged between a steel pipe pile and the prefabricated abutment, the prefabricated abutment is arranged on the outer side of the steel pipe pile, and the underwater water stop structure is characterized in that the underwater water stop structure comprises a first water stop structure body which is cylindrical and sleeves the steel pipe pile; a second water stop structure which is in an annular plate shape, the outer side of the first water stop structure is sleeved with the second water stop structure, the second water stop structure is located at the bottom of the prefabricated bearing platform, and the annular-plate-shaped upper wall of the second water stop structure is attached to the bottom of the prefabricated bearing platform; and a plurality of third water stop structures, wherein the space between the first water stop structure and the steel sheet pile and the space between the second water stop structure and the bottom of the prefabricated bearing platform are filled with the third water stop structures. The underwater water stop structure provided by the invention has the technical effects of quickness, effectiveness in water stop, simple water stop system and convenience and quickness in construction method. The structure can be widely applied to the technical field of water stop structures of prefabricated piers.

Description

technical field [0001] The invention relates to the technical field of water-stop structures for prefabricated piers. More specifically, the present invention relates to an underwater water-stop structure for prefabricated abutments and a construction method thereof. Background technique [0002] There are more and more large-scale cross-river and sea-crossing bridges in my country, and the construction window period is very limited under harsh working conditions. In order to reduce the impact of environmental factors and improve construction efficiency, the foundation design puts forward the guidelines of "large-scale, factory-like, standardized, and assembled". The post-cast concrete is used for wet bonding between them. Under such conditions, how to ensure that the gap between the cap and the steel pipe wall can be successfully sealed has become a key control factor for the success of foundation construction. [0003] In traditional construction, the overall casing + l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/00E01D19/02E01D21/00
Inventor 郑和晖张晓光王敏代浩俞俊业杨建平邓玉鑫余小龙彭成明李刚田飞华晓涛骆钊刘修成万猛肖林
Owner CCCC SECOND HARBOR ENG
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