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Application of coal ash synthetic channel jointing material on damping interface or in water construction

A fly ash and channel technology, applied in water conservancy projects, marine engineering, other chemical processes, etc., can solve the problems that polyurethane sealing materials cannot be constructed, materials cannot be cured, and bonding surfaces cannot be bonded into a whole.

Inactive Publication Date: 2012-05-23
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The same kind of polyurethane sealing materials cannot be applied on wet interfaces and water. If water is encountered, this type of material will not be cured or bonded with the bonding surface as a whole.

Method used

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  • Application of coal ash synthetic channel jointing material on damping interface or in water construction

Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0050] Experimental example 1, the bond strength measured on the dry surface is 1.02MPa, the bond strength measured on the wet interface is 0.91MPa, and the bond strength in water is 0.83MPa.

experiment example 2

[0051] Experimental example 2, the bond strength measured on the dry surface is 1.10 MPa, the bond strength measured on the wet interface is 0.93 MPa, and the bond strength in water is 0.84 MPa.

experiment example 3

[0052]In Experimental Example 3, the bond strength measured on the dry surface is 0.92 MPa, the bond strength measured on the wet interface is 0.81 MPa, and the bond strength in water is 0.73 MPa.

[0053] The above bonding strength values ​​are all greater than the 0.2MPa bonding strength value stipulated in the national standard JC / T482 and JC / T483, which can far meet the requirements of practical engineering applications.

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Abstract

The invention discloses application of a known coal ash synthetic channel jointing anti-seepage material on a damping interface or in water construction. The applicant carries out an experiment on the material on the damping interface or in water; and the experiment proves that the bonding strength of the coal ash synthetic channel jointing material on the damping interface or in water construction reaches more than 80 percent of that on a dry interface, which can fully solve the problems of dampness, water entrainment and adhesion encountered in practical engineering and meet the requirementof the engineering use.

Description

[0001] This application is a divisional application of the Chinese patent application titled: Fly Ash Synthetic Canal Joint Material in Wet Interface or Construction in Water, the filing date is September 5, 2008, and the application number is 200810150819.0. technical field [0002] The invention relates to the application of a fly ash synthetic channel joint material in wet interface or construction in water, which provides a new application for the fly ash channel joint material. Background technique [0003] In water conservancy projects, a large number of channel projects or aqueduct projects have engineering leakage problems due to weak bonding between joint materials and concrete side walls, which seriously reduces water utilization efficiency and project life. The applicant has obtained the national invention patent "fly ash synthetic channel joint anti-seepage material and its preparation method" (patent number: ZL 200310118992.X), wherein the fly ash synthetic chann...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/16C09K3/10
Inventor 张慧莉何武全娄宗科田堪良姚汝芳马少军
Owner NORTHWEST A & F UNIV
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