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A kind of soda saline-alkaline soil antifreeze cracking curing agent

The technology of curing agent and saline-alkaline soil is applied in the field of anti-freeze cracking curing agent for soda saline-alkaline soil, which can solve the problems of insufficient strength and frost-cracking resistance of cured soda saline-alkaline soil, and achieves improved frost-cracking resistance and frost-cracking resistance. The effect of improving performance and saving cement

Active Publication Date: 2021-06-01
CHANGCHUN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a soda saline-alkaline soil anti-freeze cracking type curing agent in order to solve the problem of insufficient strength and freeze-cracking resistance of the existing cured soda saline-alkali soil

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0020] ① The curing agent is composed of cement: anhydrous sodium silicate: superplasticizer: basalt short fiber = 18%: 5.4%: 0.23%: 0.9% configuration;

[0021] ② Among them, cement and basalt fiber are bagged independently, and other components are bagged separately, and the whole is sealed and bagged according to 50kg.

Embodiment example 2

[0023] ① The curing agent is composed of cement: anhydrous sodium silicate: superplasticizer: basalt short fiber = 20%: 6%: 0.26%: 1.4% configuration;

[0024] ② Among them, cement and basalt fiber are bagged independently, and other components are bagged separately, and the whole is sealed and bagged according to 50kg.

Embodiment 3

[0026] ① The curing agent is composed of cement: anhydrous sodium silicate: superplasticizer: basalt short fiber = 19%: 5.7%: 0.26%: 1.2% configuration;

[0027] ② Among them, cement and basalt fiber are bagged independently, and other components are bagged separately, and the whole is sealed and bagged according to 50kg.

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Abstract

The invention provides a soda saline-alkaline soil anti-freeze cracking curing agent, which belongs to the technical field of soil curing agents. It solves the problem of insufficient strength and frost crack resistance of the existing solidified soda saline-alkali soil. The curing agent is composed of cement, anhydrous sodium silicate, water reducing agent and short basalt fiber. Using the curing agent of the present invention, the strength can reach 12MPa-15MPa; the impermeability permeability coefficient reaches (10 ‑6 -10 ‑7 ) cm / s, the number of freeze-thaw cycles reached F80‑F100, and the freeze-crack resistance performance has been greatly improved. Simultaneously, the raw materials of the curing agent of the present invention are all harmless to the environment, and are eco-friendly.

Description

technical field [0001] The invention belongs to the technical field of soil solidifying agents, and in particular relates to a soda saline-alkaline soil anti-freeze cracking solidifying agent. Background technique [0002] Soda saline-alkali soil is widely distributed in the western part of Jilin, my country. It is one of the three largest soda saline-alkali soil distribution areas in the world and the largest soda saline-alkali soil distribution area in my country. It is prone to dissolution and subsidence, and the phenomenon of water and soil loss is serious. At present, the traditional saline-alkali soil curing technology is mostly used on roadbeds. After the curing agent is cured, the strength of the soil is high, but the high cost is not conducive to popularization; the current research on the ionic curing agent is less, and the curing effect is not obvious. Contents of the invention [0003] The invention provides a soda saline-alkaline soil anti-freeze-cracking typ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B111/76
CPCC04B28/04C04B2111/76C04B2201/50C04B22/00C04B2103/302C04B14/4643
Inventor 张洪远冯隽王乾李倩章晓晖高金花任玉珊
Owner CHANGCHUN INST OF TECH
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