Up a level
Export as [feed] Atom [feed] RSS 1.0 [feed] RSS 2.0
Group by: Item Type | No Grouping
Jump to: Article
Number of items: 36.

Article

Jethwa, J.L (2009) Blast Induced Rock Mass Damage in Tunnels. Indian Mining & Engineering Journal , 48 (12). pp. 29-33. ISSN 0019-5944

Choudhury , P.B. and Chakraborty, A.K. and Singh, Satyendra Kumar and Raina, A.K. and Ramulu, M. and Sinha, A. and Haldar, A. and Jethwa, J.L (2003) Application of acoustic emission technique for indirect measurement of vertical insitu stress in rock mass - A lab-scale study. Journal of Rock Mechanics and Tunnelling Technology , 9 (1). pp. 35-48. ISSN 0971-9059

Raina, A.K. and Chakraborty, A.K. and Haldar, A. and Ramulu, M. and Choudhury , P.B. and Pal Roy, P. and Jethwa, J.L (2002) Awareness of Blast induced Ground Vibration and air-overpressure in opencast mines in India, to mitigate human annoyance and complaints - A need of the hour. Mining Engineers Journal , 3 (12). pp. 14-21. ISSN 0975-3001

Ramulu, M. and Chakraborty, A.K. and Raina, A.K. and Jethwa, J.L (2002) Blast performance assessment in plexiglas models by measurement of specific surface area - a new approach. Journal of Mines, Metals & Fuels, 50 (3). pp. 68-75. ISSN 0022-2755

Bagde, M.N. and Raina, A.K. and Chakraborty, A.K. and Jethwa, J.L (2002) Rock mass characterization by fractal dimension. Engineering Geology, 63 (1-2). pp. 141-155. ISSN 0013-7952

Jhanwar, J.C. and Jethwa, J.L and Reddy, A.H (2000) Influence of Air-deck Blasting on Fragmentation in Jointed Rocks in an Openpit Manganese Mine. Engineering Geology, 57. pp. 13-29. ISSN 0013-7952

Raina, A.K. and Chakraborty, A.K. and Ramulu, M. and Jethwa, J.L (2000) Rock mass damage from underground blasting, a literature review, and lab- and full scale tests to estimate crack depth by ultrasonic method. International Journal of Blasting and Fragmentation (Fragblast), 4. pp. 103-125.

Jhanwar, J.C. and Jethwa, J.L (2000) The use of air decks in production blasting in an open pit coal mine. Geotechnical and Geological Engineering , 18 (4). pp. 269-287. ISSN 0960-3182

Jhanwar, J.C. and Chakraborty, A.K. and Jethwa, J.L (1999) Application of air decks in production blasting to improve fragmentation and economics of an open pit mine. Geotechnical and Geological Engineering , 17 (1). pp. 37-57. ISSN 0960-3182

Chakraborty, A.K. and Pal Roy, P. and Jethwa, J.L (1998) Blast Performance in Small Tunnels - A Critical Evaluation in Underground Metal Mines. Tunnelling and Underground Space Technology, 13 (3). pp. 331-339. ISSN 0886-7798

Chakraborty, A.K. and Jethwa, J.L (1998) Higher Pull for Higher Production in Mechanized Development Faces - A Success Story. Minetech, 19 (3&4). pp. 27-35. ISSN 0970-7204

Goel, R. K. and Jethwa, J.L and Dube, A.K. (1997) Support Pressure Assessment in Arched Underground Openings Through Poor Rock Masses. Engineering Geology, 48 (1-2). pp. 59-81. ISSN 0013-7952

Chakraborty, A.K. and Jethwa, J.L and Dhar, B.B. (1997) Predicting Powder Factor in Mixed-face Condition: Development of a Correlation based on Investigations in a Tunnel Through Basaltic Flows. Engineering Geology, 47 (1-2). pp. 31-41. ISSN 0013-7952

Verman, M and Jethwa, J.L (1997) Estimation of Mobilised Cohesion Around Underground Openings. International Journal of Rock Mechanics and Mining Sciences , 34 (5). pp. 851-858. ISSN 1365-1609

Murthy, V.M.S.R. and Jethwa, J.L (1997) Improving roadheader performance in Indian coal mines - a system development approach and field investigations. Journal of Mines, Metals & Fuels, 45 (3). pp. 66-80. ISSN 0022-2755

Goel, R. K. and Jethwa, J.L and Dhar, B.B. (1996) Effect of Tunnel Size on Support Pressure. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstract , 33 (7). pp. 749-755. ISSN 0148-9062

Chakraborty, A.K. and Murthy, V.M.S.R. and Jethwa, J.L (1996) Blasting Problems in Underground Constructions through Deccan Trap Formation: Some Experiences at Koyna Hydro-Electric Project, Stage IV. Tunnelling and Underground Space Technology, 11 (3). pp. 311-324. ISSN 0886-7798

Chakraborty, A.K. and Jethwa, J.L and Murthy, V.M.S.R. (1996) Innovative Cautious blasting technique for excavation close to a running hydro-electric power house - a case study. Geotechnical Engineering , 119 (1). pp. 57-63. ISSN 1353-2618

Chakraborty, A.K. and Jethwa, J.L (1995) Air-Deck Blasting - A Feasibility Study. Indian Mining & Engineering Journal , 34 (11). pp. 11-17. ISSN 0019-5944

Goel, R. K. and Jethwa, J.L (1995) Tunnelling in the Himalayas: Problems and Solutions. Tunnels & Tunnelling, 27 (5). pp. 58-59. ISSN 0041-414X

Goel, R. K. and Jethwa, J.L (1995) Tunnelling through the young Himalayas - A case history of the Maneri-Uttarkashi power tunnel. Engineering Geology, 39 (1-2). pp. 31-44. ISSN 0013-7952

Verman, Manoj and Jethwa, J.L (1995) Determination of Support Reaction Curve for Steel-Supported Tunnels. Tunnelling and Underground Space Technology, 10 (2). pp. 217-224. ISSN 0886-7798

Jethwa, J.L and Dube, A.K. (1995) A Classification System for Support Pressure in Tunnels and Caverns. Journal of Rock Mechanics and Tunnelling Technology , 1 (1). pp. 13-24. ISSN 0971-9059

Jethwa, J.L and Goel, R. K. (1995) Indian Experiences with Q and RMR Systems. Tunnelling and Underground Space Technology, 10 (1). pp. 97-109. ISSN 0886-7798

Chakraborty, A.K. and Jethwa, J.L (1994) Assessing the effects of joint orientation and rock mass quality on fragmentation and overbreak in tunnel blasting. Tunnelling and Underground Space Technology, 9 (4). pp. 471-482. ISSN 0886-7798

Chakraborty, A.K. and Jethwa, J.L (1994) Effects of Joint Orientation and Rock Mass Quality on Tunnel Blasting. Engineering Geology, 37 (3&4). pp. 247-262. ISSN 0013-7952

Singh, K. B. and Singh, T.N. and Singh, D.P. and Jethwa, J.L (1994) Effect of discontinuities on strata-movement problems in collieries: a review. Geotechnical and Geological Engineering , 12 (1). pp. 43-62. ISSN 0960-3182

Chakraborty, A.K. and Jethwa, J.L (1994) Tunnel blasting techniques in difficult ground conditions. Geotechnical and Geological Engineering , 12 (4). pp. 219-239. ISSN 0960-3182

Chakraborty, A.K. and Jethwa, J.L (1993) Blasting Technique for faster Drivage - A case study. Journal of Mining Research , 2 (2). pp. 21-33. ISSN 0971-1899

Singh, K. B. and Jethwa, J.L (1993) Ground Movements due to Multi-Seam working with Hydraulic Sand stowing at Inder Colliery of Kamptee Coalfield. Minetech, 14 (5). pp. 5-10. ISSN 0970-7204

Singh, K. B. and Saxena, N.C. and Jethwa, J.L (1992) Subsidence Studies due to Extraction of a Thick seam with Hydraulic sand Stowing a case history. Indian Mining & Engineering Journal , 31 (4). pp. 11-16. ISSN 0019-5944

Singh, Bhawani and Jethwa, J.L and Dube, A.K. and Singh, B. (1992) Correlation between observed support pressure and rock mass quality. Tunnelling and Underground Space Technology, 7 (1). pp. 59-74. ISSN 0886-7798

Chakraborty, A.K. and Jethwa, J.L (1991) Influence of Joint Directions on Tunnel Blasting - A Model Study. Indian Mining & Engineering Journal , 30 (10). pp. 25-29. ISSN 0019-5944

Goel, R. K. and Jethwa, J.L (1990) Why underground instrumentation has not picked up in India. Indian Mining & Engineering Journal , 39 (6). pp. 10-15. ISSN 0019-5944

Chakraborty, A.K. and Jethwa, J.L (1990) Higher rate of underground drivage through improvement in conventional method of excavation. Indian Mining & Engineering Journal , 39 (3). pp. 3-14. ISSN 0019-5944

Jethwa, J.L (1987) Tunnel Stability under squeezing Rock Conditions. Indian Mining & Engineering Journal , 26 (7). pp. 21-24. ISSN 0019-5944

This list was generated on Sat Dec 7 17:23:59 2019 IST.