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This study was made on the fact that the compressive strength characteristics and durability of the recently developed alkali silica-sol cement grout material was examined, whose grout material used for this study was designed to understand its strength property and ecology through the uniaxial compressive strength test(homo-gel, sand-gel), SEM, permeability test, chemical resistance test, leaching test, Flexural strength test, etc. in order to compare with the engineering characteristics regarding alkali silica-sol grout material and sodium silicate(No.3) grout material. The uniaxial compressive strength of silica-sol grout material was identified to be increased more than 3~5 times than sodium silicate(No.3) grout material at the early stage(within 72 hours), and as a result of SEM, the surface and internal tissues of alkali silica-sol grout material could be identified to be denser than those of sodium silicate(No.3). As a result of leaching test the adaptability was identified as grout material as it had proved to be an ecological material owing to the total amount of the element to be leached being extremely little.
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