METHOD FOR REUTILIZING SPENT CONCRETE

PURPOSE: To reutilize a large amt. of spent concrete and to reduce its volume by sintering a fine powder obtained by crushing and screening the spent concrete to produce an aggregate. CONSTITUTION: Spent concrete is crushed and then screened, the grains having >=5mm diameter are utilized as a coa...

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Bibliographische Detailangaben
Hauptverfasser: OKAMOTO MASAMICHI, TANAKA HISANOBU, INOUE TOSHIKATSU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE: To reutilize a large amt. of spent concrete and to reduce its volume by sintering a fine powder obtained by crushing and screening the spent concrete to produce an aggregate. CONSTITUTION: Spent concrete is crushed and then screened, the grains having >=5mm diameter are utilized as a coarse aggregate material and the grains having 0.3-5mm diameter as a thin aggregate, and the grains having