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, when backfilling, it is poured into hopper and transported to belt through feeder and then transported to agitator; waste water underground is stored in head tank and circularly used in backfilling...J. Cent. South Univ. (2017) 24: 155-167 DOI: 10.1007/s11771-017-3417-9 Paste-like cemented backfilling technology and rheological characteristics analysis based on jigging sands WEI Chong(魏冲), WANG......
Mining subsidence control by solid backfilling under buildingsZHA Jian-feng1, 2, 3, GUO Guang-li1, 2, FENG Wen-kai3, WANG Qiang1, 2(1. Key Laboratory for Land Environment and Disaster Monitoring...:Solid backfilling mining can reduce the buildings’ damage caused by mining greatly. The reduction of subsidence value, the slow advancing speed and the subsidence caused by backfilling body compaction......
Temperature Effects on Unsaturated Hydraulic Property of Bentonite-Sand Buffer Backfilling Mixtures张明,张虎元,ZHOU Lang,JIA LingyanKey Laboratory of Mechanics on Disaster and Environment in Western China... of engineered barriers in underground repositories for high-level radioactive waste disposal. We experimentally studied the influence of temperature on soil unsaturated hydraulic properties related to water......
is fit for production. Table 8 Quality parameters of waste water The backfilling volume with unclassified tailings is 2.9×104 m3 during the industrial test. The maximum capability is 452.8 m3 per...J. Cent. South Univ. Technol. (2008) 15: 801-807 DOI: 10.1007/s11771-008-0148-y Cemented backfilling technology with unclassified tailings based on vertical sand silo WANG Xin-min(王新民)1, ZHAO Bin......
, 2012, 1(4): 73-78. [5] HUANG Yan-li, ZHANG Ji-xiong, ZHANG Qiang, NIE Shou-jiang. Backfilling technology of substituting waste and fly ash for coal underground in China coal mining area [J...Trans. Nonferrous Met. Soc. China 24(2014) 3302-3308 Subsidence prediction method based on equivalent mining height theory for solid backfilling mining Guang-li GUO1,2, Xiao-jun ZHU1,2, Jian-feng......
; 文献标志码:A 文章编号:1672-7207(2013)06-2259-08 Effect of gypsum on strength performance of cemented backfilling materials of red mud-slag system GAO Shujie... 100083, China) Abstract: Four types of different gypsum, i.e. flue gas desulfurization waste (FGDW) gypsum, natural gypsum, semihydrate building gypsum and chemical pure gypsum were used as active......
J. Cent. South Univ. Technol. (2008) 15: 350-355 DOI: 10.1007/s11771-008-0066-z Settlement behavior of coal mine waste in different surrounding rock conditions MA Chun-de(马春德)1, LI Xi-bing(李夕兵...; Abstract: In order to investigate the influence of complex conditions of in-situ surrounding rocks on the settlement behavior of nubbly coal mine waste subjected to high gravity pressure......
) Abstract: In order to reduce the environmental risk of lead and zinc tailings in a concentrator in Guangxi, and at the same time achieve the purpose of reducing and recycling solid waste, blast furnace slag and steel slag were used as the main raw materials to prepare cementitious materials (metallurgical slag cementitious material, MSC), and mixed with tailings to prepare paste backfilling......
J. Cent. South Univ. Technol. (2011) 18: 1413-1417 DOI: 10.1007/s11771-011-0855-7 Features of pipe transportation of paste-like backfilling in deep mine WANG Xin-min(王新民)1, ZHAO Jian-wen(赵建文)1... ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: Based on the pipe transportation of paste-like backfilling system of a certain deep coal mine, its dynamics process......
Cemented backfilling performance of yellow phosphorus slagJia-sheng Chen 1,2),Bin Zhao 1),Xin-min Wang 1),Qin-li Zhang 1),and Li Wang 3) 1) School of Resources and Safety Engineering,Central South..." name="ChDivSummary">The experiments on the cemented backfilling performance of yellow phosphorus slag,including physical-mechanical properties,chemical compositions,optimized proportion......