Soft soil layer foundation pit supporting structure

A technology for supporting weak soil layers and foundation pits. It is used in foundation structure engineering, sheet pile walls, excavation, etc. It can solve the problem of high cost of supporting engineering, increase anti-sliding stability, improve shear strength, and save money. The effect of engineering investment

Pending Publication Date: 2017-09-08
SHENZHEN GONGKAN GEOTECHN GRP
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Problems solved by technology

[0005] The purpose of the present invention is to provide a support structure for foundation pits in weak soil layers, aim

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  • Soft soil layer foundation pit supporting structure
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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] The implementation of the present invention will be described in detail below in conjunction with specific embodiments.

[0021] In the drawings of this embodiment, the same or similar symbols correspond to the same or similar components; The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orien...

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Abstract

The invention relates to the technical field of soft soil layer foundation pits, and discloses a soft soil layer slope along a foundation pit. The soft soil layer slope comprises a plurality of steel plate piles vertically arranged in the soft soil layer slope, the multiple steel plate piles are erected side by side to form a steel plate wall, the steel plate wall is arranged in the length direction of a slope face platform, the upper end of the steel plate wall extends on the slope face platform, the lower end of the steel plate wall extends to the position below a potential sliding face, and the steel plate wall is used for foundation pit supporting; in this way, the shear strength of the foundation pit soft soil layer slope is improved, the anti-sliding stability of the foundation pit soft soil layer slope is increased, and meanwhile, the construction is convenient and rapid; and after a foundation pit supporting project is completed, when backfilling is started, the steel sheet piles can be lifted and recovered to be reused, the engineering investment is greatly saved, and going green and environmental protection are achieved.

Description

technical field [0001] The invention relates to the technical field of foundation pits in weak soil layers, in particular to foundation pit supporting structures in weak soil layers Background technique [0002] Coastal areas are generally widely distributed with deep and soft soil layers, such as silt layers, or silty clay layers. These soil layers have the characteristics of large void ratio, high natural moisture content, low strength, and poor shear strength. Therefore, the slope formed by the weak soil layer has poor self-stabilization ability. Even if the slope rate of the soft soil layer is set relatively gentle, it is easy to produce a large-scale landslide accident deep inside the soft soil layer. [0003] At present, for the slope formed by the weak soil layer of the foundation pit, the more economical and safe method is to use the slope ratio method, grade the slope according to the slope height, set platforms between the slopes at all levels, and then set a cer...

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Application Information

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IPC IPC(8): E02D17/04E02D5/04E02D5/08
CPCE02D5/04E02D5/08E02D17/04
Inventor 叶坤左人宇朱玉清雷斌雷帆
Owner SHENZHEN GONGKAN GEOTECHN GRP
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