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Chemical protection method for aqueous solution erosion resistance of rock

A water solution and rock technology, applied in the field of chemical protection of limestone against water solution erosion, can solve problems such as long-term stability threats of rock mass engineering, deterioration of rock physical and mechanical properties, etc., to reduce effective porosity and water permeability, and improve erosion resistance Ability, easy-to-operate effect

Active Publication Date: 2016-12-14
LUOYANG INST OF SCI & TECH
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Problems solved by technology

Due to industrial pollution, air pollution, etc., the aqueous solution contains more aggressive components, and the erosion of the aqueous solution will cause changes in the mineral composition and structure of the rock, resulting in deterioration of the physical and mechanical properties of the rock, threatening the long-term stability of rock mass engineering.

Method used

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  • Chemical protection method for aqueous solution erosion resistance of rock
  • Chemical protection method for aqueous solution erosion resistance of rock
  • Chemical protection method for aqueous solution erosion resistance of rock

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Embodiment Construction

[0029] In order to further elaborate the technical means and effects that the present invention adopts to achieve the intended purpose of the invention, below in conjunction with the accompanying drawings and preferred embodiments, a kind of chemical protection method for rock resisting aqueous solution erosion proposed according to the present invention, its specific implementation , structure, feature and effect thereof, detailed description is as follows.

[0030] The present invention adopts following method to carry out anti-water solution erosion treatment to rock:

[0031] (1) First, clean up the surface of the rock to be treated by:

[0032] ① Scrub with tap water first;

[0033] ② Reuse 5% Na 2 CO 3 Aqueous scrubbing;

[0034] ③Finally scrub with distilled water;

[0035] The method of checking whether it is washed or not: the distilled water does not hang water droplets on the rock surface, but forms a smooth and flat water film, which is qualified, otherwise it...

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Abstract

The invention relates to a chemical protection method for aqueous solution erosion resistance of rock. The method includes: cleaning the rock surface, to be more specific, sequentially brushing with tap water, Na2CO3 aqueous solution and distilled water, and performing air drying after cleaning; preparing Fe(OH)3 colloid, washing the Fe(OH)3 colloid with industrial alcohol and distilled water sequentially, preparing the obtained colloid into Fe(OH)3 solution being 0.4mmol / L in concentration, immersing the rock into the solution for 0.5-1h, and performing air drying for standby application; uniformly spraying magnesium fluosilicate solution to the rock until water stays on the rock surface, and continuing to perform uniform spraying after absorption of the solution until all of the prepared solution is sprayed. The method is simple, reliable, easy in operation, low in cost, in accordance with cost effectiveness and easy for popularization and application. The chemical protection method has advantages that effective porosity and water permeability of the rock can be effectively reduced, erosion resistance of the rock is improved, and integrity of the rock is improved.

Description

technical field [0001] The invention relates to an anti-erosion protection method for rocks, in particular to a chemical protection method for limestone against aqueous solution erosion. Background technique [0002] Rock is a collection of minerals, and its physical and mechanical properties mainly depend on the mineral composition of the rock, the connection between particles, and the microcracks existing in it. Due to industrial pollution, air pollution, etc., the aqueous solution contains more aggressive components, and the erosion of the aqueous solution will cause changes in the mineral composition and structure of the rock, resulting in the deterioration of the physical and mechanical properties of the rock, threatening the long-term stability of rock mass engineering. . Due to the widespread existence of groundwater in rock mass engineering, and the aqueous solution contains more erosive ions to rock mass, it is of great significance to study the erosion resistance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/52C04B41/50
CPCC04B41/52C04B41/4535C04B41/50C04B41/5024C04B41/502
Inventor 丁梧秀王鸿毅闫永艳
Owner LUOYANG INST OF SCI & TECH
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