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Foundation pit excavation method for soft plastic soil

A foundation pit and land technology, applied in excavation, infrastructure engineering, construction, etc., can solve problems such as on-site construction machinery being unable to operate normally, damage to the excavation surface of the foundation pit, etc.

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

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Problems solved by technology

[0005] The purpose of the present invention is to provide a foundation pit excavation method for soft plastic soil, so as to alleviate the failure of on-site construction machinery in the prior art and the destruction of foundation pit excavation surface caused by rheology of soft soil question

Method used

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  • Foundation pit excavation method for soft plastic soil
  • Foundation pit excavation method for soft plastic soil
  • Foundation pit excavation method for soft plastic soil

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Embodiment Construction

[0049] 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.

[0050] 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 foundation pit excavation method for soft plastic soil, which relates to the technical field of underground engineering. The earthwork excavation method is formed by paving and filling the excavation surface in time to form a hardened layer. The hardened layer can not only meet the requirements of construction machinery operation Bearing capacity requirements, it can enhance the stability of the slope during the grading process, and can effectively control the damage of the excavation surface by the rheology of the soil, so as to maintain the stability of the empty surface of the soil lying under the excavator and realize the earthwork excavation construction The smooth progress of the existing technology alleviates the technical problems that the on-site construction machinery cannot operate normally, and the rheology of soft soil causes the destruction of the excavation surface of the foundation pit; the foundation pit excavation for soft plastic soil provided by the present invention The method can provide a feasible construction method for earthwork excavation in soft soil areas, and can be popularized and applied in foundation pit engineering in soft soil areas.

Description

technical field [0001] The invention relates to the technical field of underground engineering, in particular to a foundation pit excavation method for soft plastic soil. Background technique [0002] With the development of the economy, due to the requirements of the buried depth of high-rise buildings, the increase in garage area and other requirements under the condition of limited floor area ratio, soft soil areas involve more and more foundation pit projects; foundation pit projects not only need to ensure The safety of self-construction requires strict control of the impact on the surrounding environment. For excavation of foundation pits in soft soil areas, the characteristics of soft soil will seriously affect the safety of foundation pits, and will also affect the quality of engineering piles and basement construction quality . [0003] In the prior art, during the excavation of foundation pits on soft plastic soil, there will be the following problems: 1) On-site ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/02E02D17/04E02D5/46E02D5/04E02D5/38E02D19/12
CPCE02D5/04E02D5/38E02D5/46E02D17/02E02D17/04E02D19/12
Inventor 李云坤郭磊蒲七胡利韦刘耀王磊李志坚罗毅白景翰
Owner YUNNAN CONSTR INVESTMENT FIRST SURVEY & DESIGN CO LTD
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