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 152
... grout curtain . The grout curtain was suggested by drilling and grouting holes in 2 rows , spaced at 3 m apart , holes in each row to be spaced at 6 m centre to centre in staggered fashion . The drilling and grouting was suggested to be ...
... grout curtain . The grout curtain was suggested by drilling and grouting holes in 2 rows , spaced at 3 m apart , holes in each row to be spaced at 6 m centre to centre in staggered fashion . The drilling and grouting was suggested to be ...
Page 169
... grout section as reported to have carried out in the test block . Grouting may be started with lean mix initially followed by thicker mix of grout according to grout absorption in each section of the grout hole and grouted until refusal ...
... grout section as reported to have carried out in the test block . Grouting may be started with lean mix initially followed by thicker mix of grout according to grout absorption in each section of the grout hole and grouted until refusal ...
Page 170
... grouting permeability tests were conducted in two distinctly separate reaches viz . , Ch . 375 to 500m and Ch . 645 to 750m and the results were analysed . Prior to grouting , the permeability values in the top section vary from 104 ...
... grouting permeability tests were conducted in two distinctly separate reaches viz . , Ch . 375 to 500m and Ch . 645 to 750m and the results were analysed . Prior to grouting , the permeability values in the top section vary from 104 ...
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