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Engineering Properties of Composite Silicate Grout Materials  

천병식 (한양대학교 공과대학 토목공학과)
양형칠 (한양대학교 대학원 토목공학과)
Publication Information
Journal of the Korean Geotechnical Society / v.19, no.1, 2003 , pp. 163-172 More about this Journal
Abstract
The engineering properties of composite silicate grout materials that were developed recently were analyzed. In this laboratory tests, OPC (Ordinary Portland Cement) was mainly used as grout materials. Moreover, the properties of composite silica, silica sol and sodium silicate (No.3) acting as coagulating agent were analyzed and compared with each other. For the purpose of finding the engineering properties of composite silicate grout materials, various physical and chemical tests were performed : naked eye measurement, photographing by using SEM, uniaxial compression test and in-situ application test. A series of test results showed that the strength of composite silicate grout materials was about 3~6 times that of ordinary sodium silicate grout materials in 6~24hr. Especially, based on the evaluation of the application of JS-CGM grout to the construction fields, composite silicate grout would be very effective in reducing the coefficient of permeability.
Keywords
Composite silicate pout; JS-CGM Grout; Permeability; Silica sol; Sodium silicate(No. 3);
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