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Construction method of peat soil foundation

A construction method and soil foundation technology, which can be applied to roads, buildings, roads, etc., can solve problems such as the inability to accurately judge unqualified foundations after excavation and replacement, and achieve the effects of improving stability, construction safety, and reducing project costs

Active Publication Date: 2022-03-01
CHINA MCC20 GRP CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the present invention proposes a construction method of peat soil foundation, aiming to solve the problem that in the prior art, when excavating and replacing unqualified foundations, it cannot be accurately judged

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  • Construction method of peat soil foundation
  • Construction method of peat soil foundation
  • Construction method of peat soil foundation

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Embodiment Construction

[0027] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0028] see figure 1 , figure 1 It is a flow chart of the construction method of the peat soil foundation provided by the embodiment of the present invention...

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Abstract

The invention provides a peat soil foundation construction method, which comprises the following steps: a determining step, determining the treatment area of ​​the peat soil foundation; an initial layer filling step, filling the treatment area with a first preset particle size Block stones to the first preset level, and roll and tamp to form the initial layer; paving step, paving the isolation layer on the initial layer; pioneer layer filling step, filling the isolation layer with the second preset layer setting the particle size of the rocks to a second preset level to form a pioneer layer; and laying a roadbed on the pioneer layer. In the present invention, the peat soil is squeezed and cleared by filling blocks on the peat soil foundation, which effectively utilizes the characteristics of the peat soil, and there is no need to dig out unqualified foundations for replacement, and it is not necessary to take samples during the investigation stage. This embodiment can effectively improve the overall stability and construction safety of the peat soil foundation, and reduce the engineering cost.

Description

technical field [0001] The invention relates to the technical field of roadbeds, in particular to a construction method for peat soil foundations. Background technique [0002] Peat soil refers to the soil in some river and lake sedimentary low plains and intermountain valleys, due to long-term water accumulation and dense aquatic vegetation, under anoxic conditions, a large number of insufficiently decomposed plant residues accumulate and form peat layers. Peat soil has at least the following characteristics: 1. Peat soil is different from other soft soils in that it has three significant characteristics of high water content, high compressibility, and low strength; 2. The natural physical state of peat soil soft soil is a flow-plastic state. Based on the characteristics of peat soil, when the peat soil foundation is treated, the unqualified foundation is usually excavated and replaced. However, when excavating unqualified foundations, it is difficult to take samples in th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C3/00E01C3/04
CPCE01C3/00E01C3/04
Inventor 张奇丁明鹤秦夏强许海岩王洋苗闫闫
Owner CHINA MCC20 GRP CORP
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