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Bridge pile foundation construction method for high-speed railway karst

A construction method and technology for high-speed railways, applied in bridges, bridge construction, infrastructure engineering, etc., can solve the problems of long construction period, low engineering quality and economic benefits for the best treatment effect of karst caves, and achieve the improvement of engineering quality and economic benefits. The effect of shortening the construction period

Pending Publication Date: 2021-11-05
中铁二十二局集团第二工程有限公司 +1
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Problems solved by technology

[0005] The main purpose of this application is to provide a bridge pile foundation construction method for high-speed railway karst, to solve the long construction period caused by not classifying the karst caves, and not being able to adopt different treatment schemes to achieve the best treatment effect on the karst caves. And the problem of low project quality and economic benefit

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  • Bridge pile foundation construction method for high-speed railway karst
  • Bridge pile foundation construction method for high-speed railway karst
  • Bridge pile foundation construction method for high-speed railway karst

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[0025] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0026] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for...

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Abstract

The invention discloses a bridge pile foundation construction method for high-speed railway karst. The bridge pile foundation construction method comprises the step that a karst cave is treated according to the height of the karst cave by adopting a throwing and filling method, a cast-in-place concrete filling method, a steel casing crossing method or a double-casing follow-up method. According to the bridge pile foundation construction method for the high-speed railway karst, the technical problems that due to the fact that karst caves are not classified, different treatment schemes cannot be adopted to achieve the optimal treatment effect on the karst caves, the construction period is long, and the project quality and economic benefits are low are solved.

Description

technical field [0001] The present application relates to the field of karst bridge pile foundation construction, in particular, to a construction method for bridge pile foundations used in karst high-speed railways. Background technique [0002] Karst is formed by long-term chemical dissolution and mechanical action of soluble rocks. With more and more high-speed railway construction projects, bridge karst pile foundation treatment has become an indispensable item. [0003] The high-speed railway project in some areas, the Daye Reservoir Super Bridge, has well-developed karst caves, large scale and high penetration rate, making the construction difficult. Karst bridge pile foundation construction does not classify karst caves, so different treatment plans cannot be adopted to achieve the best treatment effect on karst caves, resulting in long construction period, low project quality and low economic benefits. [0004] Aiming at the problem of long construction period, low...

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Application Information

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IPC IPC(8): E02D27/12E02D15/10E02D5/34E02D5/66E02D15/02E02D15/04E01D21/00
CPCE02D27/12E02D15/10E02D5/34E02D5/66E02D5/665E02D15/02E02D15/04E01D21/00
Inventor 任军伟黄明琪李泽晖
Owner 中铁二十二局集团第二工程有限公司
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