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Drainage consolidation system and method for soft soil foundation

A technology for drainage consolidation and soft soil foundation, which is applied in infrastructure engineering, soil protection, construction, etc., can solve the problems of increasing the workload of foundation drainage, difficulty in effectively removing, and the effect of drainage consolidation construction, etc. Drainage consolidation effect, good effect, the effect of reducing the possibility that the vacuum degree is difficult to maintain or reach the standard

Pending Publication Date: 2018-10-23
CHINA HUADIAN ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, after backfilling with dredger sand, a large amount of water is deposited in the dredger sand body, which is difficult to effectively remove, and even seeps into the foundation, which increases the workload of foundation drainage and has a great impact on the effect of drainage consolidation construction , so it is necessary to design a drainage consolidation system and method with good effects of foundation drainage and dredging sand drainage

Method used

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  • Drainage consolidation system and method for soft soil foundation

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Effect test

Embodiment 1

[0043] Embodiment 1 of the present invention: a kind of drainage consolidation system for soft ground, constituted as figure 1 As shown, it includes a plastic drainage board 1, a horizontal drainage pipe 2, a sand cushion 3, a sealing film 4, a vacuum pump 5, a heap 6, a water filter pipe 7, a siphon pipe 8 and a drainage tank 9, and the several plastic drainage boards 1 are vertical The horizontal drainage pipes 2 are arranged horizontally and connected to the upper end of the plastic drainage board 1. The horizontal drainage pipes 2 are also connected to several vacuum pumps 5, and the vacuum pumps 5 are also connected to the drainage tank through the pipeline. 9 connection, the horizontal drainage pipe 2 is buried by the sand cushion layer 3, the sand cushion layer 3 is also laid with a sealing film 4, and a heap 6 is arranged above the sealing film 4, and the heap load 6 is blown and filled Sand method, and multi-stage loading; the filter pipe 7 is arranged between the sea...

Embodiment 2

[0047] Embodiment 2: a kind of soft ground drainage consolidation system, constitutes as figure 1 As shown, it includes a plastic drainage board 1, a horizontal drainage pipe 2, a sand cushion 3, a sealing film 4, a vacuum pump 5, a heap 6, a water filter pipe 7, a siphon pipe 8 and a drainage tank 9, and the several plastic drainage boards 1 are vertical The horizontal drainage pipes 2 are arranged horizontally and connected to the upper end of the plastic drainage board 1. The horizontal drainage pipes 2 are also connected to several vacuum pumps 5, and the vacuum pumps 5 are also connected to the drainage tank through the pipeline. 9 connection, the horizontal drainage pipe 2 is buried by the sand cushion layer 3, the sand cushion layer 3 is also laid with a sealing film 4, and a heap 6 is arranged above the sealing film 4, and the heap load 6 is blown and filled Sand method, and multi-stage loading; the filter pipe 7 is arranged between the sealing film 4 and the load 6, o...

Embodiment 3

[0052] Embodiment 3: a kind of soft ground drainage consolidation method, such as figure 1 As shown, using the aforementioned soft soil foundation drainage consolidation system includes the following steps:

[0053] S1, measuring and setting out;

[0054] S2, surface cleaning and leveling of the site: use dredging and filling sand construction to make the site reach the height of dredging and filling, and then use bulldozers to level the site;

[0055] S3, bury vertical drainage boards: use the plugging machine to drive several plastic drainage boards 1 in the vertical direction of the foundation;

[0056] S4, laying horizontal drainage pipes: laying several horizontal drainage pipes 2 in the horizontal direction, connecting the horizontal drainage pipes 2 with the plastic drainage board 1, and burying the horizontal drainage pipes 2 through the sand cushion 3;

[0057] S5, setting up a sealing wall 13 and a wind and sand wall 14 around the foundation, the sealing wall 13 ad...

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Abstract

The invention relates to the field of building construction, in particular to a drainage consolidation system and method for a soft soil foundation. A plastic drainage plate is vertically arranged inthe foundation; a horizontal drainage pipe is horizontally arranged and connected with the upper end of the plastic drainage plate; the horizontal drainage pipe is further connected with a vacuum pump, and the vacuum pump is further connected with a drainage trough through a pipeline; the horizontal drainage pipe is embedded through a sand cushion layer; a sealing film is further laid on the sandcushion layer; a pile carrier is arranged above the sealing film, and a water filter pipe is arranged between the sealing film and the pile carrier; one end of a siphon is connected with the water filter pipe; and the other end of the siphon is connected with the drainage trough. By means of the drainage consolidation system for the soft soil foundation, the drainage effect of the foundation is improved, so that the drainage consolidation construction has a better effect and higher efficiency; and with application of the drainage consolidation method for the soft soil foundation, the system iscreated more methodically, and the drainage consolidation process of the soft soil foundation is safer, more efficient and environmentally friendly.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a system and method for drainage and consolidation of soft ground. Background technique [0002] In building construction, the requirements for foundation soil quality are relatively strict. Soil quality that is too soft, with high water content, large void ratio or high compressibility is relatively poor in engineering performance. For example, in some soft geological areas such as coastal areas, lakes and valleys, if Without drainage and consolidation of the foundation, the risk of building subsidence or even collapse is high. In order to eliminate this hidden danger, it is often necessary to carry out drainage consolidation construction on such soft soil, and foundation drainage is very important in the construction process of drainage consolidation. However, at present, after backfilling with dredger sand, a large amount of water is deposited in the dredger sand body, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/10
CPCE02D3/10E02D2300/0006
Inventor 黄承斌
Owner CHINA HUADIAN ENG
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