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Method for treating soft foundation by double control power consolidation

A dynamic consolidation, soft foundation technology, applied in soil protection, infrastructure engineering, construction, etc., can solve the problems of long construction period and high cost, and achieve the effects of short construction period, small settlement, and controllable pre-settlement

Inactive Publication Date: 2008-03-19
叶吉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the construction period is long, usually about 90 days, and the cost is high

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0036] The method for treating soft ground with dual-control dynamic consolidation of the present invention, firstly, adopts electroosmotic well point dewatering to dewater in the construction area, adopts dynamic compaction method or impact vibration rolling method to compact the soil body, and then, leveling and laying Cushion materials are finally vibrated using the shock vibration pressure method. The electroosmotic well point dewatering uses the well point tube as the cathode, the metal rod as the anode, and the well point tube and the anode are connected by wires to form a direct current system. The specific process method is as follows:

[0037] 1. On-site preparation: After entering the site, carry out rough leveling, carry out construction stakeout of well point positions on the flat surface and arrange drainage system around it.

[0038] 2. Small screw drilling detailed exploration: carry out small screw drilling detailed exploration in the foundation treatment cons...

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Abstract

The double controlled powered consolidation method for treating soft foundation includes the first electrically water permeating towards well site for lowering the water level in the construction area and tamping or vibration rolling to densify soil, the subsequent leveling and spreading cushion material, and final shocking and vibrating to densify. The so-called electrically water permeating towards well site is to constitute one DC current system with the well pipe as cathode, metal rod beside the well pipe as anode and wire to connect the well pipe and the anode rod. The said method can raise the bearing capacity of foundation quickly and change the flowing sludge into plastic sludge or solid in 10-15 days.

Description

Technical field: [0001] The invention relates to a method for treating soft ground, in particular to a method for treating soft ground by dual-control dynamic consolidation. It is referred to as "double control dynamic consolidation method". It is suitable for large-area weak ground treatment. It belongs to the technical field of foundation treatment. Background technique: [0002] At present, the treatment of large-area weak foundations generally adopts: pad replacement method, dynamic compaction method, high vacuum compaction method and replacement methods, such as vibratory impact method, compaction pile method, sandstone pile method, deep mixing method, etc. They all exist in varying degrees and cause the deficiencies such as high price, long construction period, and inability to change the flow-plastic muddy soil. [0003] Although the current "vacuum preloading method" can change the characteristics of flow plastic muddy soil by vacuum preloading. But its construct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D3/046E02D3/11
Inventor 叶吉
Owner 叶吉
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