Results 51 to 60 of about 270,502 (246)

Permeability of granite from a shallow buried mountain pipe gallery tunnel under unloading confining pressure

Deep Underground Science and Engineering, EarlyView.
Triaxial compression tests under unloading confining pressure conditions were conducted to systematically analyze the permeability behavior of granite retrieved from the different classification surrounding rocks. Abstract The rock mass within mountain tunnels undergoes complex changes in permeability, strength, and deformation during tunneling ...
Xiaoyan Zhang, Yonghua Ye, Jianping Zuo, Baojiang Han, Weigang Jiao   +4 more
wiley   +1 more source

Radiochemical Methodologies Applied to Analytical Characterization of Low and Intermediate Level Wastes from Nuclear Power Plants

Brazilian Journal of Radiation Sciences, 2019
The aim of this work is to present radiochemical methodologies developed at CDTN/CNEN in order to answer a program for isotopic inventory of radioactive wastes from Brazilian Nuclear Power Plants.  In this program  some radionuclides, 3H, 14C, 55Fe, 59Ni,
Roberto Pellacani Monteiro, Aluísio Souza Reis Junior, Geraldo Frederico Kastner, Eliane Silvia Codo Temba, Thiago César de Oliveira, Ângela Maria Amaral, Milton Batista Franco   +6 more
doaj   +1 more source

Radiological dose assessment of naturally occurring radioactive materials generated by the petroleum industry in wildlife: A case study of chinkaras of Lavan Island, Iran [PDF]

Journal of Advances in Environmental Health Research, 2014
Human activities such as oil and gas production can enhance the natural level of naturally occurring radioactive materials (NORM) in by-product and waste streams. Iran has been among the top five oil producing countries since 2005.
Siavash Sedighian, Mohammad Ali Abdoli, Mohammad Hossein Niksokhan, Min Jun Kim, Seung-Yeon Cho   +4 more
doaj   +1 more source

The damage and failure mechanism of prestatically loaded rock during medium‐strain rate cyclic impact loading

Deep Underground Science and Engineering, EarlyView.
Based on experimental results and theoretical analysis, an established rock damage accumulation model that comprehensively considers the preapplied static load, impact peak value, impact frequency, and impact times. Abstract To study the rock damage mechanism under high static loading and superimposed medium strain rate cyclic impact loading, a series ...
Wei Wang, Hanpeng Wang, Zicheng Wang, Xinyuan Xie, Yunhao Wu, Jinhou Zhang, Dekang Sun   +6 more
wiley   +1 more source

A rock brittleness index based on the postpeak energy release rate and damage surface characteristics for brittle hard rock

Deep Underground Science and Engineering, EarlyView.
This study examines energy evolution in rock rupture via triaxial direct shear tests, exploring the impact of confining pressure and temperature on fracture surface randomness. A novel energy‐based brittleness index is proposed, validated experimentally, and compared with existing methods for reliability and accuracy.
Biao Wang, Zaobao Liu, Jing Xue, Bo Lu, Wei Zeng, Dengke Zhang   +5 more
wiley   +1 more source

Disposal of radioactive wastes [PDF]

, 1979
Radioactive waste management and disposal requirements options available are discussed. The possibility of beneficial utilization of radioactive wastes is covered. Methods of interim storage of transuranium wastes are listed.
Blomeke, J. O.
core  

Anoxic Biodegradation of Isosaccharinic Acids at Alkaline pH by Natural Microbial Communities [PDF]

, 2015
One design concept for the long-term management of the UK’s intermediate level radioactive wastes (ILW) is disposal to a cementitious geological disposal facility (GDF).
Pan, Chongle, Rout, Simon P., Andrew P. Laws, Charles, Christopher J, Dave J Rooks, Simon P. Rout, Loughnane J. Paul, Alan J. McCarthy (795686), Doulgeris Charalampos, Doulgeris C., Christopher J. Charles, Charalampos Doulgeris (795685), Humphreys, Paul N, Dave J. Rooks (795687), Christopher J. Charles (189546), Christopher J Charles, Loughnane J.P., Paul N. Humphreys (636478), Rout S.P., Paul N. Humphreys, Rooks Dave J., Simon P. Rout (636472), Laws, Andrew P., McCarthy Alan J., Humphreys Paul N., Charalampos Doulgeris, Alan J. Mccarthy, Charles, Christopher J., Alan J McCarthy, McCarthy A.J., Humphreys P.N., Charles C.J., Laws, Andrew P, McCarthy, Alan J., Rooks, Dave, Rooks, Dave J., Rout Simon P., J Paul Loughnane, Doulgeris, Charalampos, Simon P Rout, Dave J. Rooks, Loughnane, J. Paul, J. Paul Loughnane, Charles Christopher J., Rout, Simon P, J. Paul Loughnane (795688), Andrew P. Laws (636474), Paul N Humphreys, McCarthy, Alan, Andrew P Laws, Laws Andrew P., Humphreys, Paul N., Loughnane, Paul, Rooks D.J., Laws A.P.   +54 more
core   +2 more sources

Solidification of Radioactive Wastes Using Recycled Cement Originating from Decommissioned Nuclear-Energy Facilities

Applied Sciences
Hundreds of thousands of tons of waste are generated from decommissioned nuclear- power facilities, and it has become a critical global issue to secure technology for reducing and recycling this waste.
Ji-Hun Jeon, Jong-Hwan Lee, Woo-Chun Lee, Sang-Woo Lee, Soon-Oh Kim   +4 more
doaj   +1 more source

Thermal‐induced fracture evolution and acoustic signature of Beishan granite: Insights into tensile strength of barrier system for high‐level radioactive waste disposal

Deep Underground Science and Engineering, EarlyView.
The tensile strength of granite, a proposed host for nuclear waste, degrades severely above 400°C. We link this to specific microcracking patterns captured by acoustic emission, establishing a scientific basis for assessing repository safety under thermal load.
Wei Zeng, Shijie Li, Xiaozhao Li, Zhen Huang, Shangtong Yang, Wentao Xu, Biao Wang, Yun Wu   +7 more
wiley   +1 more source

Low level radioactive waste management and discharge policies [PDF]

, 2004
The legal infrastructure in Turkey for the management of low-level radioactive waste covers the liquid, solid and gaseous wastes. Management of these radioactive wastes is briefly described in this paper.
Özdemir, Celal, Özdemir, Tonguç, Uslu, İbrahim   +2 more
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