黄金科学技术 ›› 2018, Vol. 26 ›› Issue (4): 520-527.doi: 10.11872/j.issn.1005-2518.2018.04.520
Caixing SHI1,2(),Lijie GUO1,2,*(),Xinzheng CHEN1,2
摘要:
为研究采场充填料浆流动规律及充填料浆离析分层对充填体强度的影响规律,开展了充填料浆流动相似模拟试验及采场原位充填体力学强度测试试验,研究结果表明:单点下料时充填料浆流动终态坡面趋向于正态分布。流动过程中充填料浆产生离析分层现象,主要表现为充填体物料的粒径沿料浆流动方向呈先增大后减小的趋势,充填体强度沿料浆流动方向呈先减小后增大再减小的倒转“S”形趋势。采场原位充填体强度在下料口附近与标准试块强度接近,在采场中间位置附近的充填体强度最小,在距离下料点采场长度7/10左右的位置充填体强度达到最大值。研究成果能够为充填采场下料管的数量及位置设计提供依据,从而保证充填体的整体质量。
中图分类号:
1 | 贺桂成,刘永,丁德馨,等. 废石胶结充填体强度特性及其应用研究[J].采矿与安全工程学报,2013,30(1):74-79. |
He Guicheng , Liu Yong , Ding Dexin ,et al. Strength characteristic of cemented waste rock backfills and its application[J].Journal of Mining & Safety Engineering,2013,30(1):74-79. | |
2 | Peng X , Li X B , Zhang Q L ,et al. Quality evaluation of layerlike backfilling and flow pattern of backfill slurry in stope[J].Journal of Central South University of Technology,2007,14(4):580-583. |
3 | Hassani F P , Mortazavi A , Shabani M. An investigation of mechanisms involved in backfill-rock mass behavior in narrow vein mining[J].Journal of the South African Institute of Mining and Metallurgy,2008,108(8):463-472. |
4 | 常庆粮,周华强,柏建彪,等. 膏体充填开采覆岩稳定性研究与实践[J].采矿与安全工程学报,2011,28(2):270-282. |
Chang Qingliang , Zhou Huaqiang , Bai Jianbiao ,et al. Stability study and practice of overlying strata with paste backfilling[J].Journal of Mining & Safety Engineering,2011,28(2):270-282. | |
5 | 谢文兵,史振凡,陈晓祥,等. 部分充填开采围岩活动规律分析[J].中国矿业大学学报,2004,33(2):162-165. |
Xie Wenbing , Shi Zhenfan , Chen Xiaoxiang ,et al. Analysis of surrounding rock activities in partial backfill mining[J].Journal of China University of Mining & Technology,2004,33(2):162-165. | |
6 | 李夕兵,周健,王少锋,等. 深部固体资源开采评述与探索[J].中国有色金属学报,2017,27(6):1236-1262. |
Li Xibing , Zhou Jian , Wang Shaofeng ,et al. Review and practice of deep mining for solid mineral resources[J].The Chinese Journal of Nonferrous Metals,2017,27(6):1236-1262. | |
7 | 古德生. 地下金属矿采矿科学技术的发展趋势[J].黄金,2004,25(1):18-22. |
Gu Desheng . The development tendency of mining science and technology of underground metal mine[J].Gold,2004,25(1):18-22. | |
8 | 肖卫国. 深井充填技术的研究[D].长沙:中南大学,2003. |
Xiao Weiguo . Study on Filling Technology in Deep Mine[D].Changsha:Central South University,2003. | |
9 | 申梦飞. 高海拔条件矿山充填质量控制研究[D].唐山:华北理工大学,2016. |
Shen Mengfei . Study on Quality Control of Mine Filling in Condition of High Altitude[D].Tangshan:North China University of Science and Technology,2016. | |
10 | 王正辉. 充填体的质量与控制[J].采矿技术,2001,1(3):16-18. |
Wang Zhenghui . Quality and control of filling body[J].Mining Technology,2001,1(3):16-18. | |
11 | Miller B A , Perez R S , Shah A R ,et al. Cerebral protection by hypoxic preconditioning in a murine model of focal ischeniia-reperfusion[J].Neuroreport,2001,12(8):1663. |
12 | 李红,吴爱祥,王洪江,等. 粗粒级膏体充填材料静动态抗离析性能表征[J].中南大学学报(自然科学版),2016,47(11):3909-3915. |
Li Hong , Wu Aixiang , Wang Hongjiang ,et al. Static and dynamic anti-segregation property characterization of coarse-grained paste backfill slurry[J].Journal of Central South University (Science and Technology),2016,47(11):3909-3915. | |
13 | 尹裕,杨家冕,肖益盖. 深井矿山充填体强度分布规律研究[J].有色金属工程,2015,5(增1):21-23. |
Yin Yu , Yang Jiamian , Xiao Yigai . Research on the distribution regularities for strength of filling body in deep mines[J].Nonferrous Metals Engineering,2015,5(Supp.1):21-23. | |
14 | 甘德清,申梦飞,孙光华,等. 金属矿山充填体强度分布规律实验研究[J].金属矿山,2016,45(4):32-35. |
Gan Deqing , Shen Mengfei , Sun Guanghua ,et al. Experimental study on strength distribution of filling body in metal mine[J].Metal Mine,2016,45(4):32-35. | |
15 | 卢宏建,梁鹏,甘德清,等. 充填料浆流动沉降规律与充填体力学特性研究[J].岩土力学,2017,38(增1):263-270. |
Lu Hongjian , Liang Peng , Gan Deqing ,et al. Research on flow sedimentation law of filling slurry and mechanical characteristics of backfill body[J].Rock and Soil Mechanics,2017,38(Supp.1):263-270. | |
16 | 卢宏建,梁鹏,南世卿,等. 采场充填料浆流动轨迹探究与充填体特性分析[J].金属矿山,2016,45(10):31-34. |
Lu Hongjian , Liang Peng , Nan Shiqing ,et al. Flow track exploration of filling slurry and characteristic analysis of filling material in stope[J].Metal Mine,2016,45(10):31-34. | |
17 | Simms P , Grabinsky M W , Zhan G. Modelling evaporation of paste tailings from the Bulyanhulu mine[J].Canadian Geotechnical Journal,2007,44:1417-1432. |
18 | 张卫国. 不同窑型水泥颗粒分布对水泥水化机理影响的研究[D].南宁:广西大学,2001. |
Zhang Weiguo . Influence of Particle Size Distribution of Different Kiln Cements on Hydration Mechanism of Cement[D].Nanning:Guangxi University,2001. |
[1] | 徐泽峰, 史秀志, 黄仁东, 丁文智, 陈新. 基于满管输送的充填管路优化研究[J]. 黄金科学技术, 2024, 32(1): 160-169. |
[2] | 李兆宇,孙伟,张盛友,李金鑫. 全尾砂物理特性对絮凝沉降性能影响规律的研究[J]. 黄金科学技术, 2022, 30(1): 64-71. |
[3] | 何建元,李宏业,高谦,尹升华. 采矿废石—尾砂混合骨料在下向分层进路胶结充填采矿中应用的试验研究[J]. 黄金科学技术, 2021, 29(4): 564-572. |
[4] | 刘奇,岑佑华,刘东锐,罗卫兵,徐喜. 基于静态沉降试验的全尾砂浓密技术参数预测[J]. 黄金科学技术, 2021, 29(2): 266-274. |
[5] | 孙京阁,关鑫磊,刘杰,赵忠琦. 充填料浆流动温变性研究[J]. 黄金科学技术, 2021, 29(1): 147-154. |
[6] | 李宗楠,罗皖东,郭利杰,许文远. 基于Buckingham方程的大倍线充填料浆输送优化与应用[J]. 黄金科学技术, 2020, 28(1): 90-96. |
[7] | 肖文丰,陈建宏,陈毅,王喜梅. 基于神经网络与遗传算法的多目标充填料浆配比优化[J]. 黄金科学技术, 2019, 27(4): 581-588. |
[8] | 徐文峰,饶运章,李尚辉,许威. 含膨润土充填料浆泌水特性分析[J]. 黄金科学技术, 2019, 27(3): 433-439. |
[9] | 杨超,郭利杰,王劼,史采星,许文远. 某金矿大倍线加压充填技术研究与应用[J]. 黄金科学技术, 2019, 27(1): 89-96. |
[10] | 刘冰,李夕兵. 全磷废料高浓度充填两相流环管试验研究[J]. 黄金科学技术, 2018, 26(5): 615-621. |
[11] | 李文臣,郭利杰,陈鑫政,李宗楠,李欣. 尾砂胶结充填体三维空间强度分布相似模拟试验研究[J]. 黄金科学技术, 2018, 26(4): 528-534. |
[12] | 宋永辉,姚迪,张珊,田宇红,兰新哲. 三维电极处理氰化废水的研究[J]. 黄金科学技术, 2017, 25(5): 116-121. |
[13] | 刘志祥,龚永超,李夕兵. 基于分形理论和BP神经网络的充填料性能研究[J]. 黄金科学技术, 2017, 25(2): 38-44. |
[14] | 曹国荣. 合理利用矿山井下充填加强地表开采保护[J]. J4, 2005, 13(6): 27-29. |
|