Demolition facilitating agent

A demolition-facilitating agent for durable structures, for example, concrete structures and rocks, comprises (A) 100 parts by weight of a mixture in the form of fine particles, consisting essentially of (1) 90 to 99% by weight of a clinker consisting of (a) 15 to 97% by weight of free CaO crystals,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OHTAKA, SATOSHI, SUZUKAWA, YUICHI, KOBAYASHI, WAICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AMMUNITION ARTIFICIAL STONE BLASTING BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL DYES EARTH DRILLING FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE HEATING LIGHTING LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MILLING GRAIN MINING MINING OR QUARRYING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS POLISHES PREPARATORY TREATMENT OF GRAIN FOR MILLING REFRACTORIES REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING SLAG TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	A demolition-facilitating agent for durable structures, for example, concrete structures and rocks, comprises (A) 100 parts by weight of a mixture in the form of fine particles, consisting essentially of (1) 90 to 99% by weight of a clinker consisting of (a) 15 to 97% by weight of free CaO crystals, (b) 3 to 85% by weight of free 3CaO SiO2 crystals and (c) 0 to 10% by weight of an inevitable impurity, the clinker having been produced at a sintering temperature of 1200 DEG C. or more, and (2) 1 to 10% by weight, in terms of gypsum anhydride (CaSO4), of at least one gypsum compound; and (B) 0.4 to 4 parts by weight of a cement water-reducing agent.