The mortar or concrete null foaming characteristic carbon quality particle which the mortar or concrete the foaming characteristic

摘要

PROBLEM TO BE SOLVED: To provide a gas-forming admixture capable of easily obtaining high mixing property without a preliminary mixing operation and keeping high gas-forming and expansion action, and mortar or concrete capable of restraining contraction during curing by stable foaming and expansion action not affected by temperature.;SOLUTION: This gas-forming liquid admixture for mortar or concrete comprises a gas-forming carbonaceous particle, an alkylene oxide adduct of a lower alcohol, and a dihydric alcohol, and this mortar or concrete suppressed in contraction comprises the gas-forming liquid admixture and cement.;COPYRIGHT: (C)2007,JPO&INPIT