Cast stone manhole cover and its preparation method

A cast stone cover of manhole is proportionally prepared from 15 raw materials including stone, slags, glass, flyash lime stone, dolomite, magnesite, etc through mixing, smelting at 1100-1550 deg.C, adding ceramic whiskers and/or fibres, and casting in mould.

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Bibliographische Detailangaben
1. Verfasser:	YUNNAN LU
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING LIME, MAGNESIA METALLURGY REFRACTORIES SLAG SOIL SHIFTING TREATMENT OF NATURAL STONE UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	A cast stone cover of manhole is proportionally prepared from 15 raw materials including stone, slags, glass, flyash lime stone, dolomite, magnesite, etc through mixing, smelting at 1100-1550 deg.C, adding ceramic whiskers and/or fibres, and casting in mould.