Records of the Geological Survey of India, Volume 139, Part 8The Survey, 2007 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 103
... rockmass condition was encountered beyond RD 3335 , due to presence of sheared and altered quartzite ( Q = 1-2 , RMR ... rockmass over - breaks up to 4m occurred in the crown and sidewalls . In general , rock - bolts ( L = 4.5 , @ 1.5- 2 ...
... rockmass condition was encountered beyond RD 3335 , due to presence of sheared and altered quartzite ( Q = 1-2 , RMR ... rockmass over - breaks up to 4m occurred in the crown and sidewalls . In general , rock - bolts ( L = 4.5 , @ 1.5- 2 ...
Page 104
... rockmass condition in major part , the entire section was simultaneously supported with steel ribs @ 60-100 cm ... rockmass following measures have been suggested • Knocking of detached rockmass . • Rock - bolts as per design ...
... rockmass condition in major part , the entire section was simultaneously supported with steel ribs @ 60-100 cm ... rockmass following measures have been suggested • Knocking of detached rockmass . • Rock - bolts as per design ...
Page 105
... rockmass has become loose , obliterated and highly weathered . Percolation of water into rockmass through discontinuity planes has further reduced the sear parameters , especially during the rainy season resulting into the ...
... rockmass has become loose , obliterated and highly weathered . Percolation of water into rockmass through discontinuity planes has further reduced the sear parameters , especially during the rainy season resulting into the ...
Contents
प्रचालन जम्मू एवं कश्मीर की गतिविधियों का विहगावलोकन | 1 |
Geotechnical investigation of landslides rockslides debris flow shooting stones area | 7 |
Review of the work done by Map and Cartography DivisionIl | 158 |
Copyright | |
3 other sections not shown