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Physical-foaming silty lightweight solidified soil and preparation method thereof

A technology of physical foaming and solidifying soil, which is applied in ceramic products, other household utensils, applications, etc. It can solve the problems of high compressibility, high moisture content, large void ratio, etc., and achieve high foaming ratio and good foam stability , Moderate liquid carrying effect

Inactive Publication Date: 2019-04-05
JIANGSU NATURE WAY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, this kind of silt has the characteristics of high water content, large void ratio, high compressibility and low strength.

Method used

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  • Physical-foaming silty lightweight solidified soil and preparation method thereof
  • Physical-foaming silty lightweight solidified soil and preparation method thereof
  • Physical-foaming silty lightweight solidified soil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The composition of the physically foamed silt lightweight solidified soil in this example is shown in Table 1, and the prepared light solidified soil is shown in Table 9.

[0041] Table 1 Composition of Lightweight Solidified Soil of Physically Foamed Silt (Unit: %)

[0042]

Embodiment 2

[0044] In this example, the composition of the lightweight solidified soil of the physically foamed silt is shown in Table 2, and the light solidified soil prepared is shown in Table 9.

[0045] Table 2 Composition of Lightweight Solidified Soil of Physically Foamed Silt (Unit: %)

[0046]

Embodiment 3

[0048] The composition of the physically foamed silt lightweight solidified soil in this example is shown in Table 3, and the prepared lightweight solidified soil is shown in Table 9.

[0049] Table 3 Composition of Lightweight Solidified Soil of Physically Foamed Silt (Unit: %)

[0050]

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PUM

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Abstract

The invention discloses physical-foaming silty lightweight solidified soil. The physical-foaming silty lightweight solidified soil comprises, by mass, 2-3.5% of foam, 80-85% of sludge slurry, 12-16% of inorganic composite curing agents, 0.1-0.2% of viscosity reducer and 0.2-0.5% of early strength agent. The invention further discloses a preparation method of the solidified soil. The lightweight solidified soil has the advantages of light weight, high strength, high stability, easiness in pumping, and the like; sludge is regarded as an important component of the lightweight solidified soil, theresource utilization of the sludge is realized, and the environmental protection advantage is prominent; the lightweight solidified soil can be used as filling soil to be backfilled for highway subgrades and abutments, retaining wall backs, underground projects and pipeline projects; the physical-foaming silty lightweight solidified soil is an environment-friendly building material.

Description

Technical field [0001] The invention relates to the field of new building materials, in particular to a physical foaming silt lightweight solidified soil and a preparation method thereof. Background technique [0002] A large amount of silt is distributed in most coastal areas of our country. How to use this silt in engineering is a big research topic. Under normal circumstances, this type of sludge has the characteristics of high water content, large void ratio, high compressibility and low strength. Therefore, it is difficult to directly apply silt to actual engineering, and it is necessary to use solidification and stabilization technology to convert silt into geotechnical materials. A large amount of lightweight soil needs to be backfilled in the construction of roads and underground projects. The traditional construction method is to use foamed clay lightweight soil and cement lightweight soil for backfilling. With the shortage of high-quality clay resources and the increas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/10C04B28/10C04B111/40C04B111/20
CPCC04B38/106C04B28/10C04B2111/00146C04B2111/0075C04B2111/2046C04B2111/40C04B2201/20C04B2201/50C04B18/141C04B7/00C04B18/04C04B24/16C04B24/32C04B24/14C04B24/383C04B18/0436C04B24/38C04B24/122C04B22/147
Inventor 钟天雪汪潇陈雷
Owner JIANGSU NATURE WAY TECH