Concrete compositions

A concrete composition comprises a cementitious component of relatively fine particles and a coarse aggregate which consists of particles at least 70% by weight of which are shaped such that the ratio (Vp:Vs), between the volume (Vp) of a given particle and the volume (Vs) of the notional sphere of...

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Bibliographische Detailangaben
Hauptverfasser:	JAN HOLM PETERSEN, JOHN CHANDLER, MICHAEL JOHN ABRAMS, HANS HENRIK BAACHE, ROD DENGATE, BRIAN SCHOU NIELSEN, ALAN MARIES, RON FRANKLIN, DIRCH BAGER, RICHARD DAY, PALLE NEPPERRISTENSEN, ANDERS HENRICHSEN, IVAR SCHACKE, RICHARD MALMOSE
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE FIXED CONSTRUCTIONS LIME, MAGNESIA MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR METALLURGY PERFORMING OPERATIONS REFRACTORIES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	A concrete composition comprises a cementitious component of relatively fine particles and a coarse aggregate which consists of particles at least 70% by weight of which are shaped such that the ratio (Vp:Vs), between the volume (Vp) of a given particle and the volume (Vs) of the notional sphere of minimum volume capable of containing that particle wholly within it, is in the range 1:2 to 1:6. The composition has fewer than 10% by volume of particles having a size in the range 2 mm to 5 mm as determined by retention on British Standard sieves. The compositions can be laid to form a very dense concrete with high mechanical stability which is suitable for use in the construction of load-bearing surfaces e.g. roads, and runways.