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Subway top plate waterproof layer construction method

A construction method and technology of waterproof layer, which can be applied in the direction of coating, infrastructure engineering, protection device, etc., can solve the problem of waterproof material bonding strength, elongation at break, high tensile properties, weak aging resistance, and construction steps. complex problems, to achieve the effects of good mechanical properties, high elastic recovery rate, and convenient construction

Inactive Publication Date: 2018-05-11
大连美宸特环保节能产品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of traditional waterproofing membranes for tunnel construction has many disadvantages
1. The construction steps are complicated and have certain risks; 2. The aging resistance is not strong and the service life is short; 3. The subway tunnel has high requirements on the bonding strength, elongation at break and tensile performance of waterproof materials. Performance is often not balanced

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0013] Prepare liquid rubber spray paint, the liquid rubber spray paint is divided into two components, A and B; the A component is an anionic liquid rubber asphalt emulsion; the B component is a coagulant solution;

[0014] A total of 100kg of anionic liquid rubber asphalt emulsion, including 25kg of polychloroprene rubber emulsion, 30kg of No. 80 petroleum asphalt emulsion, 0.15kg of anionic dispersant TH-904, 0.15kg of naphthalenesulfonate formaldehyde condensate, CD —4 is 0.15kg, anionic surfactant rosin soap 1kg, synthetic fatty acid soap 0.5kg, alkylsulfonate 0.2kg, fatty alcohol polyoxyethylene ether 2%, OEP-70 3%, AEP 4%; Carbon black 1.5 kg, fineness not less than 800 mesh porcelain powder 0.75kg, CX-01 antifreeze additive 0.8kg, water as the balance. Component B, expressed in mass percentage, is an aqueous solution with a concentration of 3-18% prepared by mixing calcium chloride and composite aluminum-iron polymer; B component, expressed in mass percentage, is compo...

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Abstract

The invention discloses a subway top plate waterproof layer construction method. The method comprises the steps that 1, a base layer is processed; 2, a reinforcing layer is manufactured; 3, a waterproof layer is sprayed; 4, the step 3 is repeated for two to three times; and 5, a protecting layer of the waterproof layer is manufactured. Liquid rubber spray coating has a good mechanical property anda good anti-aging property. The sprayed waterproof layer has high bonding strength, high tensile strength, high elasticity recovery rate and excellent anti-aging performance, and has saline-alkalinetolerance performance, the spraying process construction is convenient, efficiency is high, and film forming is rapid. The method is applicable to subway tunnels and underground waterproof engineering.

Description

technical field [0001] The invention belongs to the technical field of rubber coating, and in particular relates to a method for constructing a waterproof layer of a subway roof. Background technique [0002] With the rapid development of my country's urban transportation construction, the application field of subway underground engineering continues to expand. While the subway is convenient for urban citizens to travel, it also puts forward higher requirements for the construction safety and waterproof of the subway. At present, the waterproof materials used in subway tunnels are still mainly traditional synthetic resin waterproof membranes. Using traditional waterproofing membranes for tunnel construction has many disadvantages. 1. The construction steps are complicated and have certain risks; 2. The aging resistance is not strong and the service life is short; 3. The subway tunnel has high requirements on the bonding strength, elongation at break and tensile performance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D31/02C09D195/00C09D111/00
CPCE02D31/02C09D195/00C08L11/00C08K3/04C08K5/42
Inventor 马庆海
Owner 大连美宸特环保节能产品有限公司
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