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Hydraulic reclamation deep soft foundation one-time drainage consolidation treatment system and method

A drainage consolidation and treatment system technology, applied in infrastructure engineering, soil protection, construction, etc., can solve problems such as landslides, achieve the effects of reducing construction costs, improving consolidation efficiency, and reducing sediment transportation

Pending Publication Date: 2020-11-17
CCCC FOURTH HARBOR ENG INST +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] As the port construction is limited by the construction period and the construction site, the underwater silt is excavated under the condition that the slope is steep and unfixed, which will easily lead to landslides

Method used

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  • Hydraulic reclamation deep soft foundation one-time drainage consolidation treatment system and method
  • Hydraulic reclamation deep soft foundation one-time drainage consolidation treatment system and method
  • Hydraulic reclamation deep soft foundation one-time drainage consolidation treatment system and method

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Embodiment Construction

[0047] The dredging and filling deep soft soil foundation disposable drainage consolidation treatment system of the present invention is as follows: figure 1 As shown, it includes vertical drainage board 1, horizontal drainage and sealing combination 2, underwater vacuum pumping system, viscous backfill soil layer 3, sandy backfill soil layer 4, sealing wall 6 and underwater weight 5.

[0048] Such as figure 2 and image 3As shown, the horizontal drainage and sealing combination 2 includes an upper layer of composite geomembrane 2.1, a lower layer of low-density PE geomembrane 2.3 and filling sand between the two layers.

[0049] Composite geomembrane 2.1 is a combination of geotextile and vacuum membrane, with a thickness of 0.6mm. Low-density PE geomembrane, GL-1 type, is easy to be pierced by the head of the drainage board. The upper layer of composite geomembrane 2.1 and the lower layer of low-density PE geomembrane 2.3 are provided with a plurality of longitudinal and...

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Abstract

The invention discloses a hydraulic reclamation deep soft foundation one-time drainage consolidation treatment system and method. The system comprises a vertical drainage plate, a horizontal drainageand sealing combination body, an underwater vacuum water pumping system, a viscous backfill soil layer, a sandy backfill soil layer, a sealing wall, and an underwater heavy hammer; the horizontal drainage and sealing combination body is specifically provided with sand lattices; the head of the vertical drainage plate penetrates through a lower-layer low-density PE geomembrane of the sand latticesand enters the sandy material; the underwater vacuum pumping system comprises a vacuum air-water separation box arranged underwater; and the underwater heavy hammer tamps the surface of the sandy backfill soil layer. According to the reinforcing method for hydraulic reclamation of deep soft soil, the low-position vacuum preloading technology, the surcharge preloading technology and the underwatertamping technology are comprehensively applied, the rapid and safe one-time hydraulic reclamation of the deep soft soil reinforcing effect is achieved, the construction efficiency is improved, and thereinforcing effect is improved.

Description

technical field [0001] The invention relates to soft ground treatment technology, especially the technology related to deep soft ground reinforcement treatment by dredging filling. Background technique [0002] Soft soil is widely distributed in my country's coastal areas, inland plains and mountainous areas, and in Europe, America, Japan, and Southeast Asia. With the development of the national economy and the development of urban construction, the development of coastal tidal flats and port construction is developing towards deep water, and many projects have to be built on underwater soft soil foundations. Since soft soil has the characteristics of high water content, large void ratio, low strength, high compressibility and low permeability, in order to ensure the safety and normal use of buildings, unless deep foundations are used, the underwater natural foundation must be reinforced. . [0003] However, the existing dredging and filling soft soil foundation treatment ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/10
CPCE02D3/10
Inventor 胡利文曾子明周红星王婧陈平山邱青长王新陈胜
Owner CCCC FOURTH HARBOR ENG INST