YELLOW SOIL MORTAR COMPOSITION FOR REPAIRING AN UNDERGROUND PIPELINE, WITH THE IMPROVED COMPRESSIVE STRENGTH AND BONDING STRENGTH

摘要

PURPOSE: A yellow soil mortar composition for repairing an underground pipeline is provided to improve the chemical resistance and the antibacterial property of the composition by mixing yellow soil, mica, silica, and a solidifying agent with a specific combination ratio.;CONSTITUTION: A yellow soil mortar composition for repairing an underground pipeline contains 15~45wt% of yellow soil, 8~15wt% of mica, 10~25wt%of silica, 12~20wt% of solidifying agent, 1~4wt% of water-reducing agent, 9~11wt% of high intensity and rapid hardening admixture, and 9~13wt% of additive. The solidifying agent contains 30~55wt% of sulfate resistance cement, 35~50wt% of blast furnace slag, and 10~30wt% of natural gypsum.;COPYRIGHT KIPO 2010