Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Underground goaf filling material and preparation method and application thereof
The invention provides an underground goaf filling material and a preparation method and application thereof, and belongs to the technical field of goaf filling. The underground goaf filling material provided by the invention is prepared from raw materials including fly ash, desulfurized gypsum, cement and water, the mass ratio of the fly ash to the desulfurized gypsum to the cement is (2-6):(2-6):1, and the total mass of the fly ash, the desulfurized gypsum and the cement accounts for 55-75% of the mass of the goaf filling material. The underground goaf filling material is prepared from the two industrial solid wastes, namely the fly ash and the desulfurized gypsum, matched with the cement and the water, so that the strength required by underground mining filling bodies can be met, potential safety hazards of underground goaf are eliminated, safe mining of mines is guaranteed, meanwhile, recycling treatment of the industrial solid wastes can be realized, the cement consumption is reduced, and economic benefits and social benefits of mine enterprises are improved.
本发明提供了一种地下采空区充填材料及其制备方法和应用，属于采空区充填技术领域。本发明提供的地下采空区充填材料，由包括粉煤灰、脱硫石膏、水泥和水的原料制备得到，所述粉煤灰、脱硫石膏和水泥的质量比为(2～6)：(2～6)：1，所述粉煤灰、脱硫石膏和水泥的总质量占地下采空区充填材料质量的55～75％。本发明以粉煤灰和脱硫石膏这两种工业固体废弃物，配以水泥和水制备地下采空区充填材料，能够满足地下开采充填体所需强度，消除地下采空区的安全隐患，保障矿山安全开采，同时可以实现工业固体废弃物的资源化处置，减少水泥用量，提高矿山企业的经济效益和社会效益。
Underground goaf filling material and preparation method and application thereof
The invention provides an underground goaf filling material and a preparation method and application thereof, and belongs to the technical field of goaf filling. The underground goaf filling material provided by the invention is prepared from raw materials including fly ash, desulfurized gypsum, cement and water, the mass ratio of the fly ash to the desulfurized gypsum to the cement is (2-6):(2-6):1, and the total mass of the fly ash, the desulfurized gypsum and the cement accounts for 55-75% of the mass of the goaf filling material. The underground goaf filling material is prepared from the two industrial solid wastes, namely the fly ash and the desulfurized gypsum, matched with the cement and the water, so that the strength required by underground mining filling bodies can be met, potential safety hazards of underground goaf are eliminated, safe mining of mines is guaranteed, meanwhile, recycling treatment of the industrial solid wastes can be realized, the cement consumption is reduced, and economic benefits and social benefits of mine enterprises are improved.
本发明提供了一种地下采空区充填材料及其制备方法和应用，属于采空区充填技术领域。本发明提供的地下采空区充填材料，由包括粉煤灰、脱硫石膏、水泥和水的原料制备得到，所述粉煤灰、脱硫石膏和水泥的质量比为(2～6)：(2～6)：1，所述粉煤灰、脱硫石膏和水泥的总质量占地下采空区充填材料质量的55～75％。本发明以粉煤灰和脱硫石膏这两种工业固体废弃物，配以水泥和水制备地下采空区充填材料，能够满足地下开采充填体所需强度，消除地下采空区的安全隐患，保障矿山安全开采，同时可以实现工业固体废弃物的资源化处置，减少水泥用量，提高矿山企业的经济效益和社会效益。
Underground goaf filling material and preparation method and application thereof
一种地下采空区充填材料及其制备方法和应用
CAO SHUAI (Autor:in) / HUANG ZHIQIANG (Autor:in) / LI JIAJIAN (Autor:in) / ZHENG DI (Autor:in) / SONG WEIDONG (Autor:in) / XUE GAILI (Autor:in)
07.05.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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