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Method for preparing road/site foundation in sludge soft soil environment

A technology for silt soft soil and roads, applied in the protection of roads, roads and soils, can solve problems such as high cost, consumption, and difficulty in ensuring efficiency, and achieve the effect of improving construction cost and efficiency

Inactive Publication Date: 2017-11-03
JIANGSU NATURE WAY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of urban construction, when facing the river / river, it often encounters a certain amount of silty soft soil. The strength of the above-mentioned geological environment is difficult to directly lay roads or related sites, so it is necessary to solidify the silty soft soil; the existing The solidification treatment of silty soft soil often requires additional transportation of cement and other solidification materials to the corresponding area for solidification treatment, which not only requires high costs, but also the actual treatment efficiency is difficult to guarantee

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A method for preparing a road / site foundation under a silty soft soil environment, comprising the following process steps:

[0021] 1) Spread the curing agent evenly on the working area in the muddy soft soil;

[0022] 2) For the operation area where the curing agent has been sprayed in step 1), use an excavator to excavate the silty soft soil in the operation area until the foundation trench is formed, and make the silt on the excavator during each excavation process Mix soft soil and curing agent evenly;

[0023] 3) Lay the silty soft soil mixed with curing agent in step 2) into the foundation groove layer by layer; each time a layer of silty soft soil is laid, it is rolled and formed by rolling equipment;

[0024] 4) When the thickness of the multi-layer silty soft soil in step 3) reaches the set thickness, cover and maintain the silty soft soil in the foundation trench through the film.

[0025] The method for preparing the road / site foundation under the silty sof...

Embodiment 2

[0027] As an improvement of the present invention, in the step 2), the volume of the muddy soft soil excavated in each excavation process of the muddy soft soil in the operation area by the excavator is the same. By adopting the above technical solution, it is possible to effectively control the mixing effect of the muddy soft soil and the curing agent through the quantitative excavation treatment of the muddy soft soil, thereby improving the overall curing effect of the muddy soft soil.

[0028] The remaining features and advantages of this embodiment are the same as those of Embodiment 1.

Embodiment 3

[0030] As an improvement of the present invention, the method for preparing the road / site foundation under the muddy soft soil environment includes the following process steps:

[0031] 2.1) On the working area in the silty soft soil, excavate the silty soft soil in the working area with an excavator until the foundation trench is formed; for each excavated silty soft soil, pass the curing agent through The pipeline is injected into the corresponding silty soft soil, and the mixing with the silty soft soil is completed;

[0032] 2.2) Lay the silty soft soil mixed with curing agent in step 2.1) into the foundation trench layer by layer; every time a layer of silty soft soil is laid, it is rolled and formed by rolling equipment;

[0033] 2.3) When the thickness of the multi-layer silty soft soil in step 2.2) reaches the set thickness, cover and maintain the silty soft soil in the foundation trench through the film.

[0034] By adopting the above technical solution, it is possib...

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Abstract

The invention discloses a method for preparing a road / site foundation in a sludge soft soil environment. Through solidification treatment of sludge soft soil, a high-strength material for the road / site foundation can be formed, and thus standardized road or site construction treatment can be conducted on non-ideal soil. According to the method for preparing the road / site foundation in the sludge soft soil environment, solidification treatment of the sludge soft soil can be achieved in the excavating process of a foundation ditch in the actual operation process, the laying process of the road / site foundation is executed in the mode of using local materials, and therefore the construction cost can be reduced remarkably and the efficiency can be improved obviously.

Description

technical field [0001] The invention relates to the field of road engineering, in particular to a method for preparing a road / site foundation in a muddy soft soil environment. Background technique [0002] With the increasing expansion of urban space, the geological conditions faced in the process of urban construction also face diversified characteristics. In the process of urban construction, when facing the river / river, it often encounters a certain amount of silty soft soil. The strength of the above-mentioned geological environment is difficult to directly lay roads or related sites, so it is necessary to solidify the silty soft soil; the existing The solidification treatment of silty soft soil often requires additional transportation of cement and other solidification materials to the corresponding area for solidification treatment, which not only requires high costs, but also difficult to guarantee the actual treatment efficiency. Contents of the invention [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/12E02D3/026E01C3/04
CPCE02D3/123E01C3/04
Inventor 钟天雪汤怡新
Owner JIANGSU NATURE WAY TECH
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