MATERIAU EN FEUILLES EN CIMENT RENFORCE PAR DES FIBRES

Sheet material, which may be flat or of profiled (e.g. corrugated) cross-section, suitable for use as building panels, e.g. roofing slates, is formed of a fibre-reinforced cement composition comprising, in weight percentages:- Ordinary Portland cement 50 to 71% Pulverised fuel ash 14 to 40% Volatili...

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Bibliographische Detailangaben
1. Verfasser:	JAMES WATSON SMITH, EVERARD JOHN SMITH, IAN ROBERT KENNEDY GREIG ET RODNEY PETER KNOWLES
Format:	Patent
Sprache:	fre
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	Sheet material, which may be flat or of profiled (e.g. corrugated) cross-section, suitable for use as building panels, e.g. roofing slates, is formed of a fibre-reinforced cement composition comprising, in weight percentages:- Ordinary Portland cement 50 to 71% Pulverised fuel ash 14 to 40% Volatilised silica (containing at @@least 86% SiO2 5 to 12% Filamentised chopped glass fibre strands 2 to 7% these components constituting at least 90% by weight of the composition, the material having a minimum average modulus of rupture of 16 N.mm and a minimum density of 1.3 g.cm. The balance of the composition may include up to 4% by weight cellulose pulp and up to 5% of a plasticiser such as ball clay, bentonite or talc, together with small quantities of known dispersing agents and flocculating agents.