Artificial fine aggregate with fineness modulus of 2.3-3 based on Yellow River sludge and preparation method of artificial fine aggregate

The invention discloses artificial fine aggregate with fineness modulus of 2.3-3 based on Yellow River sludge and a preparation method of the artificial fine aggregate. The artificial fine aggregate is prepared from 10 to 13 percent of ordinary Portland cement, 1.5 to 4.5 percent of sulphoaluminate...

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Hauptverfasser:	ZHANG LIJUAN, YIN LU, ZHAO QIANYI, ZHAO JUN, WANG YADONG, LI XIAOPENG, YUE XINJIE
Format:	Patent
Sprache:	chi ; eng
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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creator	ZHANG LIJUAN YIN LU ZHAO QIANYI ZHAO JUN WANG YADONG LI XIAOPENG YUE XINJIE
description	The invention discloses artificial fine aggregate with fineness modulus of 2.3-3 based on Yellow River sludge and a preparation method of the artificial fine aggregate. The artificial fine aggregate is prepared from 10 to 13 percent of ordinary Portland cement, 1.5 to 4.5 percent of sulphoaluminate cement, 14 to 20 percent of fly ash, 6.5 to 10 percent of slag powder and 54 to 66 percent of Yellow River sludge powder; in addition, 1-1.2 kg of water and 1.5-3 g of a polycarboxylic acid solid water reducing agent are added into every 5 kg of the Yellow River silt powder. Drying the Yellow River sludge to obtain Yellow River sludge powder with two particle sizes, and mixing the obtained Yellow River sludge powder with the two particle sizes in proportion to obtain Yellow River sludge powder; and then weighing the raw materials according to the proportion, granulating by adopting a granulator, and curing after granulation to obtain the artificial fine aggregate. Through detection, the artificial fine aggregate pr
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The artificial fine aggregate is prepared from 10 to 13 percent of ordinary Portland cement, 1.5 to 4.5 percent of sulphoaluminate cement, 14 to 20 percent of fly ash, 6.5 to 10 percent of slag powder and 54 to 66 percent of Yellow River sludge powder; in addition, 1-1.2 kg of water and 1.5-3 g of a polycarboxylic acid solid water reducing agent are added into every 5 kg of the Yellow River silt powder. Drying the Yellow River sludge to obtain Yellow River sludge powder with two particle sizes, and mixing the obtained Yellow River sludge powder with the two particle sizes in proportion to obtain Yellow River sludge powder; and then weighing the raw materials according to the proportion, granulating by adopting a granulator, and curing after granulation to obtain the artificial fine aggregate. 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subjects	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
title	Artificial fine aggregate with fineness modulus of 2.3-3 based on Yellow River sludge and preparation method of artificial fine aggregate
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