Concrete impervious test piece sealant

A sealing paste and concrete technology, applied in the field of building materials, can solve the problems of low one-time success rate of impermeability test and inconvenient use, and achieve the effects of high success rate, avoiding scalding and saving operation time.

Inactive Publication Date: 2009-05-06
济南四建(集团)有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a concrete impermeability test piece sealant to solve the problems of inconvenient use of traditional sealing materials and low success rate of one-time impermeability test.

Method used

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  • Concrete impervious test piece sealant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Mix calcium-based grease, talcum powder, bentonite and kaolin at a weight ratio of 1:0.25:0.15:0.15, stir well to make a paste, apply it evenly on the side elevation of the concrete impermeability test piece with a shovel, install Put it into the anti-seepage test mold and beat it with a small wooden hammer so that the test piece is flush with the edge of the test mold. Put the anti-seepage test piece into the concrete impermeability tester, and then carry out the compression test.

Embodiment 2

[0016] Mix calcium-based grease, talcum powder, bentonite and kaolin at a weight ratio of 1:0.4:0.2:0.2, stir well, and make a paste.

Embodiment 3

[0018] Mix calcium-based grease, talcum powder, bentonite and kaolin at a weight ratio of 1:0.6:0.3:0.3, stir well, and make a paste.

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Abstract

The invention relates to a sealant for a concrete impermeability test piece, which belongs to the technical field of building materials. The sealant for the concrete impermeability test piece consists of calcium base grease, talcum powder, bentonite, and kaolin according to the weight proportion of 1 to 0.25-0.8 to 0.15-0.4 to 0.15-0.4. Raw materials are fully stirred evenly according to the proportion and prepared into a paste form, then is evenly coated on side elevations of the concrete impermeability test piece, and the concrete impermeability test piece is loaded into an impermeability test mold and is subject to a bulge test by a cement impermeability tester. The sealant has the advantages that the sealant adopts a cold coating method to coat, has safe and convenient use and simple operation, ensures the sealing quality of the concrete impermeability test piece, and improves the success ratio and work efficiency of impermeability tests.

Description

technical field [0001] The invention relates to a concrete anti-seepage test piece sealing paste, which belongs to the technical field of building materials. Background technique [0002] In the process of building construction, different grades of waterproof concrete are often used. The impermeability of concrete is an important indicator for evaluating its durability, which is obtained through concrete impermeability tests. Therefore, sealing impermeability test pieces has become a major work content. In the traditional method, paraffin is used as the sealing material. First, the anti-seepage test mold must be preheated, and the concrete anti-seepage test piece is rolled on the heated and melted paraffin. Because the paraffin wax melting temperature is not easy to control, coupled with the influence of the ambient temperature, this process takes a long time, the operation is extremely inconvenient, and it is easy to be burned; in addition, the sealing material is not easy...

Claims

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Application Information

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IPC IPC(8): C04B41/50C04B41/47
Inventor 袁惠星邢庆毅宫文晋徐东新刘永强
Owner 济南四建(集团)有限责任公司
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