div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Prabhat Kumar - Indian Society for Rock Mechanics and … · 2009 11 23 · prabhat kumar — sequential excavation of a rectangular underground opening 3 4 prabhat kumar no src=https:reader035fdocumentsinreader035viewer2022071510612e85071ecc51586942dd74html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Prabhat Kumar - Indian Society for Rock Mechanics and … · 2009 11 23 · prabhat kumar — sequential excavation of a rectangular underground opening 3 4 prabhat kumar no src=https:reader035fdocumentsinreader035viewer2022071510612e85071ecc51586942dd74html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Prabhat Kumar - Indian Society for Rock Mechanics and … · 2009 11 23 · prabhat kumar — sequential excavation of a rectangular underground opening 3 4 prabhat kumar no src=https:reader035fdocumentsinreader035viewer2022071510612e85071ecc51586942dd74html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: Prabhat Kumar - Indian Society for Rock Mechanics and … · 2009 11 23 · prabhat kumar — sequential excavation of a rectangular underground opening 3 4 prabhat kumar no src=https:reader035fdocumentsinreader035viewer2022071510612e85071ecc51586942dd74html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: Prabhat Kumar - Indian Society for Rock Mechanics and … · 2009 11 23 · prabhat kumar — sequential excavation of a rectangular underground opening 3 4 prabhat kumar no...