低渗透砂岩型铀矿床爆破增渗模型试验及增渗机制研究

doi:10.13722/j.cnki.jrme.2015.1306

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Abstract To solve the low permeability of sandstone-type uranium deposits to satisfy the basic needs of in-situ leaching mining，this paper presents the preliminary and optimized model tests of the blasting-enhanced permeability method of low-permeability sandstone-type uranium deposits(BEPUD). The permeability of the models was also evaluated based on the BEPUD. Experimental results indicate that the permeability of the models after blasting increased by two to three orders of magnitude. The enhanced permeability range was approximately 70 times the radius of the blasting cartridge，and the reasonable decoupling coefficient ranged from 1.5 to 3.0. The mechanisms of blasting-enhanced permeability were analyzed based on the dynamic fracturing of rock，the millisecond blasting，the decoupled-charge blasting，the space compensation，and the drive effect of exploding gas. This research lays the foundation for perfecting BEPUD and develops a pilot site test and scale application of this approach.

Key words： rock mechanics blasting-enhanced permeability model test permeability enhanced-permeability mechanism

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	Articles by authors
	WANG Wei1
	2
	LI Xiaochun2
	YUAN Wei1
	2
	WANG Qizhi1
	3
	LI Guifeng4

Cite this article:

WANG Wei1,2,LI Xiaochun2, et al. Model test and mechanism study of the blasting-enhanced permeability of sandstone-type uranium deposits of low-permeability[J]. , 2016, 35(8): 1609-1617.

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http://www.rockmech.org/EN/10.13722/j.cnki.jrme.2015.1306 OR http://www.rockmech.org/EN/Y2016/V35/I8/1609

[3]	王伟，李小春. 低渗透砂岩型铀矿床增渗方法及其可行性研究[J]. 岩土力学，2009，30(8)：2 309-2 314.(WANG Wei，LI Xiaochun. Study of enhanced permeability methods and their feasibility in low-permeability sandstone-type uranium deposit[J]. Rock and Soil Mechanics，2009，30(8)：2 309-2 314.(in Chinese)) " target="_blank">
[5]	王伟，李小春，石露，等. 深层岩体松动爆破中不耦合装药效应的探讨[J]. 岩土力学，2009，30(7) ：2 837-2 842.(WANG Wei，LI Xiaochun，SHI Lu，et al. Discussion on decoupled charge loosening blasting in deep rock mass[J]. Rock and Soil Mechanics，2009，30(7)：2 837-2 842.(in Chinese)) " target="_blank">
[7]	王伟，李小春，岳祖润. 基于瞬态压力脉冲法的原位小型渗透系数测量系统：中国，ZL200810079360.X[P]. 2009-01-28.(WANG Wei，LI Xiaochun，YUE Zurun. The small-sized in-situ transient pulse permeability measurement system. CN Pat，ZL200810079360.X[P]. 2009-01-28.(in Chinese)) " target="_blank">
[8]	BREDEHOEFT J D，PAPADOPULOS S S. A method for determining the hydraulic properties of tight formations[J]. Water Resources Research，1980，16(1)：233-238. " target="_blank">
[17]	HENRYCH J. The dynamics of explosion and its use[M]. New York：Elesvier Scientific Publishing Company，1979：60-65. " target="_blank">
[1]	苏学斌，杜志明. 我国地浸采铀工艺技术发展现状与展望[J]. 中国矿业，2012，21(9)：79-83.(SU Xuebin，DU Zhiming. Development and peospect of China uranium in-situ leaching technology[J]. China Mining Magazine，2012，21(9)：79-83.(in Chinese)) " target="_blank">
[11]	FREUND L B. Dynamic facture mechanics[M]. Cambridge：Cambridge University Press，1990：37-52. " target="_blank">
[9]	BAUER C，HOMAND F，HENRY J P. Technical note in situ low permeability pulse test measurements[J]. International Journal of Rock Mechanics and Mining Sciences and Geomechanics Abstracts，1995，32(4)：357-363. " target="_blank">
[6]	王伟，李小春. 不耦合装药下爆炸应力波传播规律的试验研究[J]. 岩土力学，2010，31(6)：1 723-1 728.(WANG Wei，LI Xiaochun. Experimental study of propagation law of explosive stress wave under condition of decouple charge[J]. Rock and Soil Mechanics，2010，31(6)：1 723-1 728.(in Chinese)) " target="_blank">
[16]	哈努卡耶夫A H. 矿岩爆破物理过程[M]. 刘殿中译. 北京：冶金工业出版社，1980：95-96.(ХАНУКАЕВ А Н. Ore-bearing rock blasting physical process[M]. LIU Dianzhong ed. Beijing：Metallurgical Industry Press，1980：95-96.(in Chinese)) " target="_blank">
[2]	李小春，王伟. 低渗透砂岩型铀矿床爆破增渗的方法[P]. 中国，ZL200810048968.6. 2009-01-07.(LI Xiaochun，WANG Wei. Blasting-enhanced permeability methods of low-permeability sand-stone-type uranium deposits[P]. CN Pat，ZL200810048968.6，2009-01-07 (in Chinese)) " target="_blank">
[4]	王伟，李小春. 无临空面深层岩体爆破增渗模型试验相似律研究及相似条件的实现[J]. 岩土力学，2009，30(7)：1 892-1 898. (WANG Wei，LI Xiaochun. Study of similarity law of model test of blasting enhanced permeability in deep rock mass without free surface and its implementation[J]. Rock and Soil Mechanics，2009，30(7)： 1 892-1 898.(in Chinese)) " target="_blank">
[12]	ZHU Z，XIE H，MOHANTY B. Numerical investigation of blasting- induced damage in cylindrical rocks[J]. International Journal of Rock Mechanics and Mining Sciences，2008，45(2)：111-121.
[14]	朱哲明，李元鑫，周志荣，等. 缺陷岩体在爆炸荷载下的动态响应[J]. 岩石力学与工程学报，2011，30(6)：1 157-1 167.(ZHU Zheming，LI Yuanxin，ZHOU Zhirong，et al. The response of defected rock under blasting loads[J]. Chinese Journal of Rock Mechanics and Engineering，2011，30(6)：1 157-1 167.(in Chinese)) " target="_blank">
[10]	王伟，李小春，李强，等. 小尺度原位瞬态压力脉冲渗透性测试系统及试验研究[J]. 岩土力学，2011，32(10)：3 185-3 189. (WANG Wei，LI Xiaochun，LI Qiang，et al. Small size in-situ transient pulse permeability measurement system and its experimental research[J]. Rock and Soil Mechanics，2011，31(10)：3 185-3 189.(in Chinese)) " target="_blank">
[13]	胡荣，朱哲明，胡哲源，等. 爆炸动载荷下裂纹扩展规律的实验研究[J]. 岩石力学与工程学报，2013，32(7)：1 476-1 481.(HU Rong，ZHU Zheming，HU Zheyuan，et al. Experimental study of regularity of crack propagation under blasting dynamic loads[J]. Chinese Journal of Rock Mechanics and Engineering，2013，32(7)：1 476-1 481.(in Chinese)) " target="_blank">
[15]	杨仁树，王雁冰，侯丽冬，等. 冲击荷载下缺陷介质裂纹扩展的 DLDC 试验[J]. 岩石力学与工程学报，2014，33(10)：1 971- 1 976.(YANG Renshu，WANG Yanbing，HOU Lidong，et al. DLDC experiment on crack propagation in defective medium under impact loading[J]. Chinese Journal of Rock Mechanics and Engineering，2014，33(10)：1 971-1 976.(in Chinese)) " target="_blank">
[18]	刘殿中，杨仕春. 工程爆破实用手册[M]. 2版. 北京：冶金工业出版社，2003：73-74.(LIU Dianzhong，YANG Shichun. Engineering blasting practical handbook[M]. 2nd ed. Beijing：Metallurgical Industry Press，2003：73-74.(in Chinese)) " target="_blank">