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Mud flat soft soil strengthening agent and preparation method thereof

A reinforcing agent and soft soil technology, applied in chemical instruments and methods, soil conditioning materials, organic fertilizers, etc., can solve the problems of permeable tea, high water content, poor treatment effect, etc., and achieve the effect of improving soil strength

Active Publication Date: 2018-07-20
YANCHENG INST OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The dredger filling soil in the coastal area is basically silt and silty soft soil, which has the characteristics of high water content, high permeability, low strength, and the inability of personnel and machinery to directly enter the site, which brings great resistance to the development and construction of the coastal area
[0004] Although there are currently some curing agents on the market that have a certain effect on the curing of soft soil with low moisture content, for marine sludge with high water content, the treatment effect is not good and the cost is high

Method used

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  • Mud flat soft soil strengthening agent and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0030] This embodiment provides a tidal flat soft soil consolidating agent, which includes a main curing agent and a curing auxiliary agent used together.

[0031] The main curing agent includes in parts by weight: 60 parts of geopolymer slurry, 10 parts of fly ash particles, 1 part of polyvinyl alcohol, 4 parts of ethyl cellulose, 12 parts of modified lignosulfonate, crosslinking agent 4 parts;

[0032] The curing aid includes, in parts by weight: 18 parts of epoxy olefin, 6 parts of diethylenetriamine, 7 parts of styrene-butadiene block copolymer, and 10 parts of potassium sodium tartrate.

[0033] The preparation method of this tidal flat soft soil reinforcement agent is:

[0034] According to parts by weight, the geopolymer slurry and fly ash particles were mixed and stirred for 50 seconds to obtain a mixed matrix; polyvinyl alcohol and ethyl cellulose were dissolved in water, and mixed with a cross-linking agent at 120°C for 60 minutes. , lower the temperature to 80°C, ...

Embodiment 2

[0038] This embodiment provides a tidal flat soft soil consolidating agent, which includes a main curing agent and a curing auxiliary agent used together.

[0039] The main curing agent includes by weight: 40 parts of geopolymer slurry, 5 parts of fly ash particles, 3 parts of polyvinyl alcohol, 2 parts of ethyl cellulose, 8 parts of modified lignosulfonate, crosslinking agent 7 copies;

[0040] The curing assistant includes, in parts by weight: 12 parts of epoxy olefin, 4 parts of diethylenetriamine, 9 parts of styrene-butadiene block copolymer, and 7 parts of potassium sodium tartrate.

[0041] The preparation method of this tidal flat soft soil reinforcement agent is:

[0042] According to parts by weight, the geopolymer slurry and fly ash particles were mixed and stirred for 40 seconds to obtain a mixed matrix; polyvinyl alcohol and ethyl cellulose were dissolved in water, and mixed with a cross-linking agent at 140 ° C for 40 minutes to react , lower the temperature to ...

Embodiment 3

[0046] This embodiment provides a tidal flat soft soil consolidating agent, which includes a main curing agent and a curing auxiliary agent used together.

[0047] The main curing agent includes by weight: 48 parts of geopolymer slurry, 7 parts of fly ash particles, 3 parts of polyvinyl alcohol, 3 parts of ethyl cellulose, 11 parts of modified lignosulfonate, crosslinking agent 5 copies;

[0048] The curing aids include, in parts by weight: 14 parts of epoxy olefin, 5 parts of diethylenetriamine, 8 parts of styrene-butadiene block copolymer, and 9 parts of potassium sodium tartrate.

[0049] The preparation method of this tidal flat soft soil reinforcement agent is:

[0050] According to parts by weight, the geopolymer slurry and fly ash particles were mixed and stirred for 43s to obtain a mixed matrix; polyvinyl alcohol and ethyl cellulose were dissolved in water, and mixed with a cross-linking agent at 128°C for 48 minutes. , lower the temperature to 77°C, add lignosulfona...

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Abstract

The invention provides a mud flat soft soil strengthening agent and a preparation method thereof, and belongs to the field of soft soil treatment. The mud flat soft soil strengthening agent is prepared from a main curing agent and an auxiliary curing agent which are used cooperatively; the main curing agent is prepared from the components in parts by weight: 40 to 60 parts of geopolymer slurry, 5to 10 parts of coal ash particles, 1 to 3 parts of polyvinyl alcohol, 2 to 4 parts of ethyl cellulose, 8 to 12 parts of modified ligninsulfonate and 4 to 7 parts of a cross-linking agent; the auxiliary curing agent is prepared from the components in parts by weight: 12 to 18 parts of epoxy olefin, 4 to 6 parts of diethylenetriamine, 7 to 9 parts of styrene-butadiene block copolymer and 7 to 10 parts of potassium sodium tartrate. The mud flat soft soil strengthening agent has extremely high strengthening performance on high water-content mud flat soft soil; the mud flat soft soil which is curedthrough the strengthening agent is high in strength, high in water stability, high in compressive strength and high in durability.

Description

[0001] The invention relates to the field of soft soil treatment, in particular to a tidal flat soft soil reinforcement agent and a preparation method thereof. Background technique [0002] In recent years, with the rapid development of economy and society in coastal areas, the contradiction between supply and demand of construction land has become increasingly prominent, and the development and utilization of rich tidal flat resources in coastal areas has become the main way to solve the shortage of land resources in these areas. Land creation is currently the main way of land development in coastal tidal flat areas. [0003] The dredger filling soil in the coastal area is basically silt and silty soft soil, which has the characteristics of high water content, high permeability, low strength, and the inability of personnel and machinery to directly enter the site, which brings great resistance to the development and construction of the coastal area. [0004] Although there ar...

Claims

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Application Information

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IPC IPC(8): C09K17/40C09K103/00
CPCC09K17/40C09K2103/00
Inventor 付佳佳高莉莉巩牧华姜朋明王垒
Owner YANCHENG INST OF IND TECH
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