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Risk assessment of CO_2 injection processes and storage in carboniferous formations:a review

Journal of Rock Mechanics and Geotechnical Engineering 2011年第1期3卷 39-56页

作者： Sousa Luis Sousa Rita Gomes Ana vargas jr.eurípedes State Key Laboratory for Geomechanics and Deep Underground Engineering China University of Mining and Technology University of Porto Massachusetts Institute of Technology Catholic University of Rio de Janeiro

Over the last decades,people from almost all over the world have realized that it is necessary to quickly develop strategies for the control and reduction of greenhouse gases (GHG) *** various GHGs,carbon dioxide (CO2) is the most abundant *** underground storage involves less risk and lower levels of *** paper briefly describes the most effective technologies available in the market for background processes to storage (capture and transport) CO2,as well as the more secure solutions for its storage,in particular for the geological storage in carboniferous *** paper also outlines the methodologies for the risk assessment involved in storage of CO2,with a particular focus on cases where the injection is made into unminable coal seams and in abandoned *** used for risk analysis are described in detail with particular emphasis on Bayesian network (BN).Some applications regarding the risk assessment of CO2 injection processes and CO2 storage in carboniferous formations and contamination of aquifers are presented and ***,based on the applications of BN,several conclusions are drawn.

关键词： risk assessment underground storage of CO2 coalmines monitoring

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Numerical and safety considerations about the Daguangbao landslide induced by the 2008 Wenchuan earthquake

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Journal of Rock Mechanics and Geotechnical Engineering 2019年第5期11卷 1019-1035页

作者： Manchao He L.Ribeiro e Sousa AndréMüller eurípedes vargas jr. R.L.Sousa C.Sousa Oliveira Weili Gong State Key Laboratory of Geomechanics and Deep Underground Engineering(SKLGDUE) China University of Mining and TechnologyBeijingChina Tongji University ShanghaiChina Pontifical Catholic University of Rio de Janeiro Rio de JaneiroBrazil Khalifa University of Science and Technology Abu DhabiUnited Arab Emirates Technical Institute University of LisbonLisbonPortugal

The 2008 Wenchuan earthquake resulted in a large number of fatalities and caused significant economic *** of landslides,many of which are very large,were triggered by the earthquake.A majority of catastrophic landslides were distributed along the central Longmenshan fault system,at the eastern margin of the Tibetan *** of the landslides resulted in sudden damming of rivers causing flooding,which in turn induced secondary sliding *** the most significant landslides,the Daguangbao landslide was the largest in volume with the maximum *** this,a numerical model of the Daguangbao landslide,using the material point method(MPM),was developed to simulate the interaction of the seismic loads imposed on the *** numerical results then are compared with the post-earthquake *** a consequence of the landslide,a nearly vertical head scarp with a maximum height of about 700 m was *** is considered as a high risk situation that requires constant monitoring and ***,we propose a methodology based on Bayesian networks(BNs)to manage the risk associated with the stability of the rockwall at the Daguangbao landslide site.

关键词： Wenchuan earthquake Longmenshan fault Daguangbao landslide Material point method(MPM) Rockwall

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