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Large karst stratum partial filling reinforced concrete bag pile structure and process

A reinforced concrete and cloth bag technology, which is applied in basic structure engineering, sheet pile wall, construction, etc., can solve the problems of difficult pile formation and poor stability, and achieve the effect of improving safety, high strength and ensuring the stability of the pile structure.

Pending Publication Date: 2018-08-17
中铁十四局集团建筑工程有限公司 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a pile foundation construction scheme combining high-strength geotextile bags and reinforced concrete to solve the problems of difficult pile formation in lava areas and poor stability after pile formation.

Method used

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  • Large karst stratum partial filling reinforced concrete bag pile structure and process
  • Large karst stratum partial filling reinforced concrete bag pile structure and process
  • Large karst stratum partial filling reinforced concrete bag pile structure and process

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Embodiment Construction

[0047] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0048] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof;

[0049] In addition, the cloth bags and geotextile bags mentioned in the present invention refer to the same.

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Abstract

The invention provides a large karst stratum partial filling reinforced concrete bag pile structure and a process. The structure comprises a geofabric bag; a folding reinforcement frame connected withthe geofabric bag is arranged in the geofabric bag and used as an inner support; concrete is poured into the geofabric bag; and the filing boundary of concrete is limited through the geofabric bag, then pouring is conducted, and partial filling of a karst cave is achieved. The adopted high-strength geofabric bag has the characteristics of isolation and water drainage, and a pile is easy to form.

Description

technical field [0001] The invention belongs to the field of pile foundation construction, and in particular relates to a reinforced concrete cloth bag pile structure and technology for partial filling of large karst strata. Background technique [0002] Karst landforms are widely distributed in my country. With the rapid development of traffic construction in Southwest karst areas in recent years, the demand for construction technology of pile foundations in karst areas is more urgent. The bag pile has the characteristics of isolation and drainage. After filling and expanding, it not only has a good water-proof effect, but also can squeeze the surrounding soft soil to achieve the purpose of stabilizing the foundation. Due to the influence of groundwater in karst areas, the existing reinforced concrete piles are not easy to form piles, and the stability of piles is poor; the geological conditions in karst areas are complex, and underground construction has certain dangers. ...

Claims

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Application Information

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IPC IPC(8): E02D5/44E02D5/60E02D15/04
CPCE02D5/44E02D5/60E02D15/04E02D2250/0023
Inventor 王军孙亚飞孙剑平郭毕钧刘同江张华军于明洋张文峰
Owner 中铁十四局集团建筑工程有限公司
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