BACKFILL GROUTING MATERIAL

PROBLEM TO BE SOLVED: To provide a two-pack type backfill grouting material by which shrinkage of a consolidated body is prevented and long-term strength and dimensional stability of the consolidated body is high and of which bleeding of a liquid A is suppressed. SOLUTION: The two-pack type backfill...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI AMI, KOWAGUCHI NORIAKI, IRIDE TAKUMI, HAYAKAWA YUKINOBU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES SHAFTS TUNNELS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a two-pack type backfill grouting material by which shrinkage of a consolidated body is prevented and long-term strength and dimensional stability of the consolidated body is high and of which bleeding of a liquid A is suppressed. SOLUTION: The two-pack type backfill grouting material comprises: a liquid A containing a curing material, a thickening solid-liquid separation suppressing material, a hardening retarder, and water; and a liquid B comprising sodium silicate. The composition ratio of the thickening solid-liquid separation suppressing material is obtained by mixing 35-500 mass% of particle size-regulated powders of raw sludge incinerated ash with bentonite. COPYRIGHT: (C)2011,JPO&INPIT