COMPOSITION FOR QUICK SETTING ADMIXTURE, LIQUID QUICK-SETTING ADMIXTURE, SPRAY MATERIAL AND SPRAY METHOD USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a composition for a quick setting admixture capable of performing spray work exhibiting excellent setting property, facilitating the handling in working site, reducing dust produced in working, a liquid quick setting admixture, a spray material and a spray method using the same.;SOLUTION: The composition for the quick setting admixture contains 3 elements of S, Al and F as components and further contains silicate. The quick setting admixture has 25-110 pts. Al component expressed in terms of Al₂O₃, 10-50 pts. F component expressed in terms of the element and 5-35 pts. silicate expressed in terms of Si per 100 pts. S component expressed in terms of SO₃. The composition of the quick setting admixture further contains a nitrogen compound, an alkali metal compound and/or a compound of group IVA element. The liquid quick setting admixture contains the composition for the quick setting admixture. The liquid quick setting admixture contains 10-60 pts in total of the S component expressed in terms of SO₃, the Al component expressed in terms of Al₂O₃, the F component expressed in terms of the element and the silicate expressed in terms of Si in 100 pts. liquid quick setting admixture. The spray material contains the liquid quick setting admixture and cement. The spray method uses the spray material.;COPYRIGHT: (C)2004,JPO