QUICK-SETTING AE MORTAR OR CONCRETE COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide a quick-setting AE admixture capable of securing a sufficient air-entraining property without decreasing a short time strength even if an alkali metal sulfate and a polycarboxylic acid salt-based high performance (AE) water reducing agent are added in combination to a calcium aluminate-based curing accelerator to improve the short time strength, and a quick-setting AE concrete having the admixture.;SOLUTION: The quick-setting AE admixture contains a component (a): calcium aluminate, a component (b): the alkali metal sulfate, a component (c): the polycarboxylic acid salt-based water reducing agent and a component (d): an AE agent containing one or more kinds selected among an ether of a primary alcohol and polyoxyethylene sulfonic acid or its salt and an ether of alkylphenol and the polyoxyethylene sulfonic acid or its salt.;COPYRIGHT: (C)2007,JPO&INPIT