Records of the Geological Survey of India, Volume 139, Part 5The Survey, 2006 - 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 154
... shotcrete . After application of shotcrete on rock surface , driving rock bolts may protect the rock ledge . It is suggested to provide a minimum generalized pattern of rock protection measures by way of driving rock bolts . 25 mm dia ...
... shotcrete . After application of shotcrete on rock surface , driving rock bolts may protect the rock ledge . It is suggested to provide a minimum generalized pattern of rock protection measures by way of driving rock bolts . 25 mm dia ...
Page 203
... shotcrete and chain link in these areas and after scaling of loose rock slabs if any , provision of rock bolts wherever not provided as designed , redoing of fresh shotcreting with chain link properly bonded with the adjacent intact ...
... shotcrete and chain link in these areas and after scaling of loose rock slabs if any , provision of rock bolts wherever not provided as designed , redoing of fresh shotcreting with chain link properly bonded with the adjacent intact ...
Page 227
... shotcrete No support PCC lining + contact + consolidation grouting No support Rock bolt + chain link + shotcrete No support PCC lining + contact + consolidation grouting No support Rock Bolt + chain link + shotcrete Scaling + Plain ...
... shotcrete No support PCC lining + contact + consolidation grouting No support Rock bolt + chain link + shotcrete No support PCC lining + contact + consolidation grouting No support Rock Bolt + chain link + shotcrete Scaling + Plain ...
Contents
ANDHRA PRADESH | 1 |
Quaternary Geology | 9 |
Project National Geochemica Mapping NGCM | 16 |
Copyright | |
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abutment alignment amphibolite Andhra Pradesh assess bands basin bed rock biotite biotite gneiss block boreholes carried charnockite coast cut-off trench depth district dolerite drilled dunes dyke earth dam enclaves excavation exposed field season folds foliation Formation foundation fresh rock garnet Geochemical Mapping geological mapping GEOTECHNICAL INVESTIGATION gneiss gold grained granite granite gneiss granitoids granodiorite granulite gravity grouting holes hornblende indicated intrusive Item joints Karnataka Kerala Khondalite kimberlite laterite limestone lithounits located lugeons mafic metabasalt migmatite mineralisation minerals moderate mylonite NNW-SSE NW-SE occur overburden pegmatite penstock permeability tests phyllite powerhouse project authorities proposed pyroxene quartz quartz veins quartzite reservoir river samples were collected sand schist belt shale shear zone shotcrete slope soil Specialised Thematic Mapping spillway STAGE GEOTECHNICAL stream sediment samples strike structure studies sulphide surface Tamil Nadu thick toposheet traverse trending tsunami ultramafic upto values varying vertical weathered weir width