recent advances in rock engineering rare 2016 classification and selection methodology for temporary support systems for underground structures manoj kumar and jitendra prasad ak naithani steel authority of india limited ...
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...Recent advances in rock engineering rare classification and selection methodology for temporary support systems underground structures manoj kumar jitendra prasad ak naithani steel authority of india limited national institute mechanics jharkhand bangalore manojgeologist gmail com abstract this paper a new evaluation employed surrounding area the crown above face system that can be applied to ii study focuses on pre tunneling is discussed it great importance consider at long term stability mass around openings tunnel excavation or structure strictly during design construction first phase different terminologies are operation varying geological conditions lead used by researchers same types as forepole complications with respect any excavations pipe roofing spile comparison may designed based empirical elements given table two analytical numerical methods should supports exist literature work installed immediately after delayed causes volkmann et al marinos general terms deformation con...