ENVIRONMENTALLY ACCEPTABLE SOLIDIFYING MATERIAL

PROBLEM TO BE SOLVED: To provide an environmentally acceptable solidifying material utilizing waste gypsum boards for land reclamation such as foundation improvement or solidification of construction waste soil.SOLUTION: The environmentally acceptable solidifying material is composed by adding 50-30...

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Bibliographische Detailangaben
Hauptverfasser:	MITAMURA FUMIHIRO, KITSUTA KAZUTOMI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REFRACTORIES SLAG SOIL SHIFTING TREATMENT OF NATURAL STONE UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an environmentally acceptable solidifying material utilizing waste gypsum boards for land reclamation such as foundation improvement or solidification of construction waste soil.SOLUTION: The environmentally acceptable solidifying material is composed by adding 50-300 wt.% of quicklime or slaked lime to 100 wt.% of gypsum dihydrate powder. The pulverized waste gypsum boards are used as the gypsum dihydrate. The pH of the material can be made to be 10 or higher by addition of lime to the gypsum, and thus the activity of a sulfuric acid-reducing bacterium can be suppressed.