Pile Forming Method of Supporting Structure

A technology of supporting structures and supporting piles, which is applied in the direction of foundation structure engineering, excavation, sheet pile walls, etc., can solve the problems that cannot meet the needs of foundation pit operations in soft soil layers, and achieve the purpose of preventing diffusion or diameter reduction, and controlling filling The effect of the coefficient

Active Publication Date: 2021-04-06
YUNNAN CONSTR INVESTMENT FIRST SURVEY & DESIGN CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a pile-forming method of a support structure to alleviate the technical problem that the pile-forming method of a support structure in the prior art cannot meet the operation requirements of foundation pits in soft soil layers

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  • Pile Forming Method of Supporting Structure
  • Pile Forming Method of Supporting Structure
  • Pile Forming Method of Supporting Structure

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Embodiment Construction

[0041] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0042] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention provides a pile-forming method for a support structure, which relates to the technical field of underground engineering, and is applied to control foundation pits in soft soil layers, and steel sheet piles are arranged inside the support piles (the side close to the foundation pit), The outer side of the support pile (the side away from the foundation pit) is equipped with a three-axis stirring pile outside the pit, which can not only play the role of a wall when the support pile is formed, but also play a barrier role during the construction of the support pile. Prevent the flow concrete from spreading or shrinking into the soil, effectively control the filling coefficient of the support piles, provide a guarantee for the construction quality of the support piles, and alleviate the unsatisfactory pile-forming methods of the support structures existing in the prior art. The technical problem of the operation requirements of the foundation pit in the soft soil layer can be widely used in the foundation pit support in the area with rich soft soil layer.

Description

technical field [0001] The invention relates to the technical field of underground engineering, in particular to a pile-forming method for a support structure, in particular to a pile-forming method for a support structure applied in a foundation pit in a soft soil layer. Background technique [0002] At present, when the city carries out foundation pit construction, support piles are often used as the vertical support structure of the foundation pit. [0003] However, when supporting piles are used in soft soil layers, such as muddy soil, peaty soil, loose silt, silt, etc., due to the characteristics of high compressibility, large void ratio, and water saturation, Since the soil is peaty soil in a soft flow-plastic state, collapse holes are prone to occur during the hole formation process, and diameter expansion occurs at the collapsed hole position during pile formation; on the other hand, during the pouring process of high-fluid concrete The peaty soil in the plastic sta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/04E02D5/46E02D5/04E02D5/38E02D19/12
CPCE02D5/04E02D5/38E02D5/46E02D17/04E02D19/12
Inventor 蒲七郭磊胡利韦李云坤李志坚罗毅王磊刘耀白景翰
Owner YUNNAN CONSTR INVESTMENT FIRST SURVEY & DESIGN CO LTD
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