Records of the Geological Survey of India, Volume 104The Survey, 1972 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 20
... drilling and trenching , confirmed it ( Srivastava , 1965 ) . Tunnelling through this contact was devoid of any trouble . For the Yamuna hydel project , U. P. , and the Giri hydel pro- ject , H. P. , the disposition of the Krol and ...
... drilling and trenching , confirmed it ( Srivastava , 1965 ) . Tunnelling through this contact was devoid of any trouble . For the Yamuna hydel project , U. P. , and the Giri hydel pro- ject , H. P. , the disposition of the Krol and ...
Page 52
... drilling and 250 m . length of explo- ratory drifting were done to examine joint and fracture patterns on the abutment . ( The ' E ' - value of the charnockites was found to range from 2.5 to 5.0 x106 p.s.i. by in situ testing ) ...
... drilling and 250 m . length of explo- ratory drifting were done to examine joint and fracture patterns on the abutment . ( The ' E ' - value of the charnockites was found to range from 2.5 to 5.0 x106 p.s.i. by in situ testing ) ...
Page 142
... Drilling machines of the coring type , are usually employed for drilling bored wells . Percussion methods are employed to a lesser extent . More recently , down - the - hole hammer rigs , as well as air - driven drills capable of rapid ...
... Drilling machines of the coring type , are usually employed for drilling bored wells . Percussion methods are employed to a lesser extent . More recently , down - the - hole hammer rigs , as well as air - driven drills capable of rapid ...
Contents
OF | 1 |
Systematic Geotechnical Studies in the Country | 13 |
Problems of Engineering Geology in India | 31 |
Copyright | |
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Abst alignment alluvial aquifers artesian Assam basalts basin Beas Bhakra Bihar charnockites clay coarse aggregate concrete aggregate construction materials crushing strength Dam Project Deccan Traps deep deposits depth dipping district downstream drilling earth dam earthquake Eastern Ghats Engg Engineering Geology excavation fault zone flow formations foundation fractures Ganga geohydrological Geol Geological Survey geologists geotechnical gneisses Gondwana granites groundwater groundwater development groundwater reservoir grouting Gujarat hard rock areas hard rocks Himalayas Hirakud Hydel Project investigations irrigation joints kg/cm² kg/sq Kopili Koyna Krishnaswamy leakage limestone located Madhya Pradesh masonry metres occur Orissa permeability phyllites power house problems Punjab quartzites Rajasthan recharge region river bed River Valley Projects rock types sand sandstone schist sedimentary sediments seepage seismic shales shear zones Siwalik sliding slope spillway structure studies suitable surface Surv Survey of India Symp tests thick tion tracts tubewells tunnel unpublished upstream Uttar Pradesh weathering West Bengal