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Large area soil dredging-filling ground treatment method and water percolation pipe

A treatment method and technology for seepage pipes, which are applied in the field of large-area dredging and reclamation foundation treatment methods and seepage pipes, can solve problems such as less than ideal and poor consolidation performance, and achieve convenient construction, shorten growth time, and improve The effect of efficiency

Inactive Publication Date: 2007-12-05
江西建工第三建筑有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the poor soil quality and poor consolidation performance of the dredged fill soil foundation, it is often not ideal to use the fly ash pile method and the deep stirring pile method; while the surcharge preloading method and the vacuum preloading method require the dredged fill soil foundation to pass through 1 to 3 years of natural consolidation, therefore, it is necessary to carry out a certain pre-reinforcement treatment on it during the filling process

Method used

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  • Large area soil dredging-filling ground treatment method and water percolation pipe
  • Large area soil dredging-filling ground treatment method and water percolation pipe
  • Large area soil dredging-filling ground treatment method and water percolation pipe

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Embodiment 1

[0019] A large-area dredging and filling ground treatment method, the treatment method comprises the following steps:

[0020] ① Install seepage pipes 2 vertically on the dredging reclamation site 5, and divide the dredging reclamation site 5 into at least two dredging reclamation areas,

[0021] ②Put the silty dredging fill 3 into the above-mentioned dredging area,

[0022] ③ An artificial hard shell 1 is set on the silty dredging fill 3 , and the opening of the seepage pipe 2 extends to the upper surface of the artificial hard shell 1 .

[0023] In this embodiment, after the seepage pipe 2 is placed vertically, the blow-fill area is divided into four small areas.

Embodiment 2

[0025] A seepage pipe used in a large-area dredging and filling ground treatment method, the surface of the seepage pipe 2 is provided with holes, and the outer surface of the seepage pipe 2 is covered with a filter screen.

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Abstract

The invention discloses a treatment method of extensive dredging dredger fill foundation and its infiltration pipe. The treatment method contains the following steps: firstly, set the infiltration pipe (2) vertically on the dredger yard (5) and divide (5) into at least two dredger areas. Then, dredge the muddy dredger fill (3) into the dredge areas. Finally, set artificial hard shell (1) on (3). The head of (2) extends into the upper surface of (1). The treatment method in this invention firstly divides the extensive dredger yard into small areas and dredges simultaneously to improve the efficiency of foundation treatment. Setting discharge channels before dredging can realize dredging and discharge consolidation simultaneously instead of treating after dredging, which shorten the time to enhance the foundation strength.

Description

technical field [0001] The invention relates to a treatment technology of dredging and filling soil foundation, in particular to a large-area dredging and filling soil foundation treatment method and a seepage pipe thereof. Background technique [0002] With the economic development of coastal cities and the vigorous development of urban infrastructure construction, some domestic ports have insufficient land area. Using the dredged silt to reclaim land has become an important means of land development in coastal cities. Correspondingly, the geotechnical engineering problems related to dredger fill are becoming more and more prominent, and the core issue is the treatment of dredge fill. At present, the reinforcement measures for dredger fill foundation mainly include fly ash piles, deep mixing piles, and surcharge preloading piles. pressure, vacuum preloading and other methods. However, due to the poor soil quality and poor consolidation performance of the dredged fill soil ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/18E02D3/10
Inventor 梅国雄宋林辉梅岭周峰
Owner 江西建工第三建筑有限责任公司
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