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Laying method of composite impervious layer

A laying method and composite anti-seepage technology, applied in protection devices, sea area engineering, construction, etc., can solve problems such as environmental hazards, leaching and infiltration pollution, and achieve the effects of mitigating environmental hazards, realizing reuse, and reducing material costs

Active Publication Date: 2019-05-10
内蒙古美亚林科生态建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These industries have abolished the occupation of a large amount of land and have caused great harm to the environment, such as causing dust pollution, and leaching and infiltration may pollute groundwater and surface water bodies.

Method used

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  • Laying method of composite impervious layer
  • Laying method of composite impervious layer
  • Laying method of composite impervious layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] In the present embodiment, the composition of gel material A is: 80 kilograms of fly ash, 5 kilograms of lime, 2 kilograms of desulfurized gypsum, and 15 kilograms of blast furnace slag; the composition of gel material B is: 95 kilograms of fly ash, lime 10 kg, 2 kg of desulfurized gypsum and 5 kg of rock wool.

[0063] In this embodiment, the composite anti-seepage layer is laid by the following method:

[0064] Step 1: Weigh 80 kg of fly ash, 5 kg of lime, 2 kg of desulfurized gypsum, 15 kg of blast furnace slag, and 95 kg of fly ash, 10 kg of lime, 2 kg of desulfurized gypsum, and 5 kg of rock wool, and transport them to the material warehouse.

[0065] Step 2: Mix 80 kg of fly ash, 5 kg of lime, 2 kg of desulfurized gypsum, and 15 kg of blast furnace slag to obtain mixture A. Mix 95 kg of fly ash, 10 kg of lime, 2 kg of desulfurized gypsum, and 5 kg of rock wool Mix evenly to obtain mixture B; add water to mixture A according to the liquid-solid ratio of 8:1 and m...

Embodiment 2

[0071] In this embodiment, the composition of gel material A is: 70 kg of fly ash, 8 kg of lime, 2 kg of desulfurized gypsum, and 20 kg of steel slag; the composition of gel material B is: 80 kg of fly ash, 15 kg of lime , 2 kg of desulfurized gypsum and 5 kg of industrial asbestos.

[0072] In this embodiment, the composite anti-seepage layer is laid by the following method:

[0073] Step 1: Weigh 70 kg of fly ash, 8 kg of lime, 2 kg of desulfurized gypsum, and 20 kg of steel slag, and 80 kg of fly ash, 15 kg of lime, 2 kg of desulfurized gypsum and 5 kg of industrial asbestos, and transport them to the silo .

[0074] Step 2: Mix 70 kg of fly ash, 8 kg of lime, 2 kg of desulfurized gypsum, and 20 kg of steel slag to obtain mixture A. Mix 80 kg of fly ash, 15 kg of lime, 2 kg of desulfurized gypsum and 5 kg of industrial asbestos Obtain mixture B uniformly; add water to mixture A according to the liquid-solid ratio of 1:1 and mix to obtain gel material A; add water to mixtu...

Embodiment 3

[0080] In the present embodiment, the composition of gel material A is: 72 kilograms of fly ash, 6 kilograms of lime, 3 kilograms of desulfurized gypsum, and 17 kilograms of blast furnace slag; the composition of gel material B is: 85 kilograms of fly ash, lime 11 kg, 3 kg of desulfurized gypsum and 7 kg of rock wool.

[0081] In this embodiment, the composite anti-seepage layer is laid by the following method:

[0082] Step 1: Weigh 72 kg of fly ash, 6 kg of lime, 3 kg of desulfurized gypsum, and 17 kg of blast furnace slag, as well as 85 kg of fly ash, 11 kg of lime, 3 kg of desulfurized gypsum and 7 kg of rock wool, and transport them to Silo.

[0083] Step 2: Mix 72 kg of fly ash, 6 kg of lime, 3 kg of desulfurized gypsum, and 17 kg of blast furnace slag to obtain mixture A. Mix 85 kg of fly ash, 11 kg of lime, 3 kg of desulfurized gypsum and 7 kg of rock wool Mix evenly to obtain mixture B; add water to mixture A at a liquid-solid ratio of 0.4:1 to obtain gel material A...

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Abstract

The invention provides a laying method of a composite impervious layer. The laying method includes: laying a gelling material A on a target site to form a base layer, and performing first wet maintenance on the base layer; laying a gelling material B on the base layer to form an intermediate layer, and performing second wet maintenance on the intermediate layer; laying the gelling material A on the intermediate layer to form a surface layer; performing overall maintenance. The composite impervious layer formed by means of the laying method has a permeability coefficient of less than 10<-7> cm / s and compressive strength of > / =20 Mpa, and water pH is never higher than 8 even after the composite impervious layer is soaked in the water for long time.

Description

technical field [0001] The invention belongs to the engineering construction field, specifically, the invention relates to a method for laying a composite anti-seepage layer. Background technique [0002] The anti-seepage materials currently used in reservoirs / rivers, especially solid waste landfill substrates are mainly geotextiles, clay, bentonite, asphalt, concrete, industrial plastics, etc., which are suitable for different waterproof conditions. The underlining usually laid on the anti-seepage site requires a certain construction process (such as leveling the base, laying the cushion, joining or welding, compacting, rolling, mixing, curing, etc.) to form a continuous liner according to certain technical standards. Block water and other liquid water barriers, prevent water and other liquids from penetrating through and penetrate, and achieve the purpose of anti-seepage. [0003] With the rapid development of industrial production and construction, a large amount of indu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14E02B3/16E02D31/00C04B111/27
Inventor 丁茂申俊峰曹福生闫鹏程蔡超
Owner 内蒙古美亚林科生态建设集团有限公司