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Soft foundation treatment method

A treatment method and weak foundation technology, applied in excavation, soil protection, infrastructure engineering, etc., can solve problems such as waste of state-owned land resources, environmental pollution, etc., and achieve the effects of saving resources, reducing waste, and saving costs

Inactive Publication Date: 2019-08-02
SHANGHAI BAOYE GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, most of the construction waste is directly transported to the suburbs or villages for open-air stacking or burial without any treatment, which wastes a lot of state-owned land resourc

Method used

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  • Soft foundation treatment method

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Embodiment Construction

[0019] The present invention is further illustrated below by specific examples.

[0020] Such as figure 1 As shown, a weak ground treatment method includes

[0021] Step 1. Foundation Pit Excavation

[0022] Firstly, dewater the foundation pit to 0.85m-1.35m below the design elevation, and then carry out foundation pit excavation. For special foundation pit excavation, the muddy foundation pit should be excavated to 350mm below the actual design elevation, After the excavation is completed, the aggregate extrusion work will be carried out. It should be noted that during the extrusion type, the construction should be dispersed from the middle of the foundation pit to both sides, and the prepared fine aggregate 21 and coarse aggregate 22 mixture should be filled in the foundation pit. In the pit, each time the filling area is 1.5㎡-2㎡, and then the backhoe excavator is used for ramming treatment, and the mixture of fine aggregate 21 and coarse aggregate 22 is rammed 3-5 times e...

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Abstract

The invention particularly relates to a soft foundation treatment method. The soft foundation treatment method is characterized by comprising the steps: step 1, excavating a foundation pit; step 2, construction of a first construction waste replacement layer; and step 3, cushion layer pouring construction. According to the soft foundation treatment structure and the construction method, recyclingof construction waste can be effectively achieved, resources can be effectively saved, waste is turned into wealth, waste is reduced, the cost is greatly reduced, and the national ecological environmental protection planning requirement is met. According to the soft foundation treatment structure and the construction method, recycling of construction waste can be effectively achieved, resources can be effectively saved, waste is turned into wealth, waste is reduced, the cost is greatly reduced, and the national ecological environmental protection planning requirement is met.

Description

technical field [0001] The invention relates to the construction field of building foundations, in particular to a treatment method for weak foundations. Background technique [0002] With the introduction of a series of land reform policies and the promotion and implementation of the shanty town reconstruction plan, a large number of buildings and structures in old urban areas and old industrial areas have been demolished for reconstruction or new construction, and the amount of construction waste generated after demolition is extremely huge. At present, most of the construction waste is directly transported to the suburbs or villages for open-air stacking or burial without any treatment, which wastes a lot of state-owned land resources, and requires additional fees for land requisition and garbage removal. The fine particles produced during the cleaning and stacking process will cause serious environmental pollution problems. Contents of the invention [0003] The purpo...

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Application Information

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IPC IPC(8): E02D17/02E02D19/10E02D3/08
CPCE02D3/08E02D17/02E02D19/10
Inventor 管聪聪宋茂祥张啸风刘高峰曾斌
Owner SHANGHAI BAOYE GRP CORP