Loess fly ash-based coal mine filling material, and filling method thereof
The invention discloses a loess fly ash-based coal mine filling material, and a filling method thereof. The loess fly ash-based coal mine filling material comprises water, a main material, an auxiliary material, and an additive; the main material is composed of loess and fly ash; the auxiliary mater...
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| creator | XU NAIZHONG ZHU KUN TIAN JINZHOU CUI FENG HU BINGNAN ZHANG GANGYAN SUN WANMING SUN KAIHUA LIU PENGLIANG YAN BINGSHUANG |
| description | The invention discloses a loess fly ash-based coal mine filling material, and a filling method thereof. The loess fly ash-based coal mine filling material comprises water, a main material, an auxiliary material, and an additive; the main material is composed of loess and fly ash; the auxiliary material is composed of cement, quicklime, and gypsum; mass ratio of loess to fly ash ranges from 1:1.5 to 1:3; the mass of auxiliary material accounts for 30 to 33% of the mass of the loess fly ash-based coal mine filling material; and the mass of the additive accounts for 5 to 7% of that of the loess fly ash-based coal mine filling material. According to the loess fly ash-based coal mine filling material, loess is used for replacing a part of fly ash in traditional filling materials, so that cost is reduced as far as possible with ensured filling material performance. |
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The loess fly ash-based coal mine filling material comprises water, a main material, an auxiliary material, and an additive; the main material is composed of loess and fly ash; the auxiliary material is composed of cement, quicklime, and gypsum; mass ratio of loess to fly ash ranges from 1:1.5 to 1:3; the mass of auxiliary material accounts for 30 to 33% of the mass of the loess fly ash-based coal mine filling material; and the mass of the additive accounts for 5 to 7% of that of the loess fly ash-based coal mine filling material. 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The loess fly ash-based coal mine filling material comprises water, a main material, an auxiliary material, and an additive; the main material is composed of loess and fly ash; the auxiliary material is composed of cement, quicklime, and gypsum; mass ratio of loess to fly ash ranges from 1:1.5 to 1:3; the mass of auxiliary material accounts for 30 to 33% of the mass of the loess fly ash-based coal mine filling material; and the mass of the additive accounts for 5 to 7% of that of the loess fly ash-based coal mine filling material. 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The loess fly ash-based coal mine filling material comprises water, a main material, an auxiliary material, and an additive; the main material is composed of loess and fly ash; the auxiliary material is composed of cement, quicklime, and gypsum; mass ratio of loess to fly ash ranges from 1:1.5 to 1:3; the mass of auxiliary material accounts for 30 to 33% of the mass of the loess fly ash-based coal mine filling material; and the mass of the additive accounts for 5 to 7% of that of the loess fly ash-based coal mine filling material. According to the loess fly ash-based coal mine filling material, loess is used for replacing a part of fly ash in traditional filling materials, so that cost is reduced as far as possible with ensured filling material performance.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF NATURAL STONE |
| title | Loess fly ash-based coal mine filling material, and filling method thereof |
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