Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Rennie B. Kaunda"'
Autor:
Jordy Lee, Rennie B. Kaunda, Thomson Sinkala, Caleb F. Workman, Morgan D. Bazilian, Greg Clough
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 226, Iss , Pp 112864- (2021)
Mining and mineral processing continues to be a source of lasting environmental problems in many developing economies. Phytoremediation has proven to be a viable strategy to remediate contaminated lands and limit environmental damage, but it has not
Externí odkaz:
https://doaj.org/article/01129161e7f64f29b6b365d94957f54f
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 11, Iss 2, Pp 242-250 (2019)
Fully-coupled thermo-mechanical simulations are implemented in COMSOL Multiphysics to investigate micro-scale stress-strain variability in pegmatite specimens subjected to thermal loading using microwaves. Thermally-induced compressive and tensile st
Externí odkaz:
https://doaj.org/article/4c150ca89336411eabb0abf0a77fad7d
Publikováno v:
Advances in Civil Engineering, Vol 2019 (2019)
The issue of rock deterioration in chemical environments has drawn much attention in recent years in the rock engineering community. In this study, a series of 30 freeze-thaw cycling tests are conducted on sandstone samples soaked in H2SO4 solution a
Externí odkaz:
https://doaj.org/article/ce6f639bea574a2eba6b0d316e6b3916
Autor:
Rennie B. Kaunda, Brian Asbury
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 8, Iss 4, Pp 533-540 (2016)
The material and elastic properties of rocks are utilized for predicting and evaluating hard rock brittleness using artificial neural networks (ANN). Herein hard rock brittleness is defined using Yagiz' method. A predictive model is developed using a
Externí odkaz:
https://doaj.org/article/b457963501c24b0da4d66a08053c6290
Autor:
Rennie B. Kaunda, Clement Kweku Arthur
Publikováno v:
Mining Technology. 129:151-158
This study uses a hybrid paretosearch algorithm and goal attainment method to determine blast design parameters that will maximize production (total blasted volume) and minimize blast-induced groun...
Autor:
Rennie B. Kaunda
Publikováno v:
Journal of Energy & Natural Resources Law. 38:237-244
The unprecedented demand for highly efficient batteries for use in electric vehicles and other electronics has generated an increased demand for lithium-ion batteries. Lithium is highly desirable g...
Autor:
Haochen Zhao, Rennie B. Kaunda
Publikováno v:
Energies, Vol 11, Iss 2, p 260 (2018)
When coal mines exploit deep seams with high-gas content, risks are encountered due to the additional high likelihood of rock bursting potential problems. The bursts of coal pillars usually lead to severe fatalities, injuries, and destruction of prop
Externí odkaz:
https://doaj.org/article/3fa541cdd164418eb951eacbaf3252b9
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 11, Iss 2, Pp 242-250 (2019)
Fully-coupled thermo-mechanical simulations are implemented in COMSOL Multiphysics to investigate micro-scale stress-strain variability in pegmatite specimens subjected to thermal loading using microwaves. Thermally-induced compressive and tensile st
Autor:
Rennie B. Kaunda, F. Wang
Publikováno v:
International Journal of Mining Science and Technology, Vol 29, Iss 1, Pp 93-97 (2019)
Quantifying the rockburst consequence is of critical importance to reduce the hazards with preventative measures in underground mines and deep tunnels. Contours of energy components within a pillar model are plotted at different rockmass damage stage
Autor:
Rennie B. Kaunda
This chapter discusses the major mechanisms for strain localization in geomaterials (i.e. soil and rock) and their possible implications for slope instability. In certain geological environments and slopes subjected to external forces, soil or rock d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fd79720b5c0d9a7d490185b78daf1dd
https://doi.org/10.1016/b978-0-12-821205-9.00010-1
https://doi.org/10.1016/b978-0-12-821205-9.00010-1