Construction process for reclamation by hydraulic filling of silt and device thereof

A technology of silt filling and construction technology, which is applied in soil protection, infrastructure engineering, construction, etc., and can solve the problems of slow silt deposition and inability to follow-up construction.

Inactive Publication Date: 2010-09-08
武汉华荣科技发展有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it can solve the problem that the silt deposition is slow and the

Method used

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  • Construction process for reclamation by hydraulic filling of silt and device thereof
  • Construction process for reclamation by hydraulic filling of silt and device thereof
  • Construction process for reclamation by hydraulic filling of silt and device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0034]A sea reclamation land reclamation site uses the construction device of the present invention for land reclamation by dredging and filling mud. The specific devices included and the specification parameters of each device are as follows: solidification treatment system A: pumping device 1 includes mud pumps and inner diameters selected according to actual needs 80mm pump front pipe and pump rear pipe. The sundry screening device 2 is a porous cube structure with a certain sieve aperture. Curing agent storage device 3 is 8m 3 Cylinders for storage of slag cement. The curing agent delivery device 4 is a pipeline with an inner diameter of 20 mm provided with a screw propeller on the inner wall, and the pipeline is connected to the pipeline in front of the pump. The compressed air delivery device 5 includes an air compressor with a power of 2.5KW and a compressed air delivery pipeline with an inner diameter of 15mm, which is located at the starting end of the mixed mud mix...

Embodiment 3

[0038] A coastal subgrade project uses the construction device for land reclamation by dredging and filling mud according to the present invention. The specific devices included and the specification parameters of each device are as follows: solidification treatment system A: pumping device 1 includes a slurry pump selected according to actual needs and an inner diameter of 150 mm The pipeline before the pump and the pipeline after the pump. The impurity screening device 2 is a porous spherical structure with a certain sieve aperture. Curing agent storage device 3 is 3 × 3 × 3m 3 The square cylinder is used to store the Portland cement and lime mixture. The curing agent delivery device 4 is a pipeline with an inner diameter of 40mm connected to the pipeline in front of the pump, and a pump with a power of 3KW is connected to the middle of the pipeline. The compressed air delivery device 5 includes an air compressor with a power of 5KW and three compressed air delivery pipeli...

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Abstract

The invention discloses a construction process for the reclamation by the hydraulic filling of silt and a device thereof. The device comprises a solidification treatment system A and a paving system B for improved slurry, wherein the A comprises a pumping device, an impurity screening device, a solidification agent storage device, a solidification agent conveying device, a compressed air conveying device and a mixed slurry stirring and conveying device; the B comprises a connecting pipe section, a hose or belt conveyer and a bearing and moving device. The construction flow comprises the following steps of: (1) filling the silt slurry into a filling region or sedimentation tank so as to form a stacked layer of thick silt slurry; (2) pumping the thick silt slurry with the pumping device, conveying the solidification agent into the thick silt slurry at the same time, and mixing the thick silt slurry and the solidification agent in a pipe in front of or behind a pump so as to form the mixed slurry; (3) conveying the mixed slurry to the stirring and conveying device to form the improved slurry; (4) conveying the improved slurry out to the paving system B through the connecting pipe section; and (5) laying the improved slurry to specified thickness by the paving system B. The device is characterized by fast, high-efficiency, simple and convenient operation.

Description

technical field [0001] The invention relates to a construction technique and a device for land reclamation by dredging and filling silt, and belongs to the technical field of civil engineering foundation treatment. Background technique [0002] In recent years, my country's coastal areas, such as the Bohai Bay area, the Yangtze River Delta, the Pearl River Delta area, and the Beibu Gulf area, are rapidly promoting land reclamation projects. Since 2005, the area of ​​land reclamation in China's coastal areas has been more than 100 square kilometers every year. In 2009, the area of ​​land reclamation reached 150 square kilometers. At present, most of the land reclamation projects in our country adopt the land reclamation method of dredging and filling silt, that is, blowing and filling the seabed silt into the enclosure, and turning the silt into a foundation with a certain bearing capacity after certain treatment. [0003] At present, the main method to deal with these dredgi...

Claims

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Application Information

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IPC IPC(8): E02D3/12
Inventor 程寅黄新
Owner 武汉华荣科技发展有限责任公司
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