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A platform for research: civil engineering, architecture and urbanism
Preparation method of mining low-bleeding paste filling material
The invention provides a preparation method of a mining low-bleeding paste filling material, and belongs to the technical field of mine filling. The filling material is prepared from fly ash, tunneling waste rock, cement and water, the fly ash serves as fine aggregate, the tunneling waste rock serves as coarse aggregate, the mass ratio of the fly ash to the tunneling waste rock to the cement is as follows: 15-35 parts of the fly ash, 65-85 parts of the tunneling waste rock and 20 parts of the cement, and the total mass of the fly ash, the tunneling waste rock and the cement accounts for 81% of the mass of the filling material. The filling slurry is conveyed to the underground goaf in a pumping pressurization mode, and a bearing body with a certain supporting effect is formed after solidification. The fly ash and the tunneling waste rocks are used as main filling aggregates, so that the risk of aggregate segregation can be reduced, and the stability of a paste system is improved. And the cost of environmental governance is reduced while environmental pollution is reduced, so that the construction process of a green mine is facilitated, and meanwhile, good economic and social benefits are created for mine enterprises.
本发明提供一种矿用低泌水膏体充填材料的制备方法，属于矿山充填技术领域。该充填材料以粉煤灰、掘进废石、水泥和水为原料制备，其中，粉煤灰作为细骨料、掘进废石作为粗骨料，粉煤灰、掘进废石和水泥的质量比为：粉煤灰15～35份、掘进废石65～85份、水泥20份，粉煤灰、掘进废石和水泥的总质量占充填材料质量的81％。通过泵送加压的方式将充填料浆输送至地下采空区，经过固化后形成具有一定支撑作用的承载体。本发明采用粉煤灰和掘进废石作为主要充填骨料，能够降低骨料离析的风险、提高膏体系统的稳定性。在降低环境污染的同时减少了环境治理的费用，这有利于绿色矿山的建设进程，同时也为矿山企业创造了良好经济和社会效益。
Preparation method of mining low-bleeding paste filling material
The invention provides a preparation method of a mining low-bleeding paste filling material, and belongs to the technical field of mine filling. The filling material is prepared from fly ash, tunneling waste rock, cement and water, the fly ash serves as fine aggregate, the tunneling waste rock serves as coarse aggregate, the mass ratio of the fly ash to the tunneling waste rock to the cement is as follows: 15-35 parts of the fly ash, 65-85 parts of the tunneling waste rock and 20 parts of the cement, and the total mass of the fly ash, the tunneling waste rock and the cement accounts for 81% of the mass of the filling material. The filling slurry is conveyed to the underground goaf in a pumping pressurization mode, and a bearing body with a certain supporting effect is formed after solidification. The fly ash and the tunneling waste rocks are used as main filling aggregates, so that the risk of aggregate segregation can be reduced, and the stability of a paste system is improved. And the cost of environmental governance is reduced while environmental pollution is reduced, so that the construction process of a green mine is facilitated, and meanwhile, good economic and social benefits are created for mine enterprises.
本发明提供一种矿用低泌水膏体充填材料的制备方法，属于矿山充填技术领域。该充填材料以粉煤灰、掘进废石、水泥和水为原料制备，其中，粉煤灰作为细骨料、掘进废石作为粗骨料，粉煤灰、掘进废石和水泥的质量比为：粉煤灰15～35份、掘进废石65～85份、水泥20份，粉煤灰、掘进废石和水泥的总质量占充填材料质量的81％。通过泵送加压的方式将充填料浆输送至地下采空区，经过固化后形成具有一定支撑作用的承载体。本发明采用粉煤灰和掘进废石作为主要充填骨料，能够降低骨料离析的风险、提高膏体系统的稳定性。在降低环境污染的同时减少了环境治理的费用，这有利于绿色矿山的建设进程，同时也为矿山企业创造了良好经济和社会效益。
Preparation method of mining low-bleeding paste filling material
一种矿用低泌水膏体充填材料的制备方法
YIN SHENGHUA (author) / YAN ZEPENG (author) / WANG LEIMING (author) / CHEN XUN (author) / YAN RONGFU (author) / CHEN WEI (author) / CHEN DAPENG (author) / CHEN JUNWEI (author)
2023-06-23
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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