Records of the Geological Survey of India, Volume 140, Part 5The 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 144
... Tunnel T , of 9.00 m finished dia , 7.12 km length , which ultimately takes water to plain of Nalgonda District . Geomorphologically the area of the proposed tunnel alignment cutting across the Nallamalai Hill ranges may be divided into ...
... Tunnel T , of 9.00 m finished dia , 7.12 km length , which ultimately takes water to plain of Nalgonda District . Geomorphologically the area of the proposed tunnel alignment cutting across the Nallamalai Hill ranges may be divided into ...
Page 145
... tunnel works out to be 29.117 m which include the overburden soil and bedrock . In the absence of any borehole data ... tunnel and approach channel with a provision for providing a false portal . The proposed outlet portal is also ...
... tunnel works out to be 29.117 m which include the overburden soil and bedrock . In the absence of any borehole data ... tunnel and approach channel with a provision for providing a false portal . The proposed outlet portal is also ...
Page 151
... tunnel alignment and at the entrance portal , geotechnical assessment of the tunnel has been carried out . It is expected that the rock formations such as fresh and hard khondalite and charnockite would be the tunneling medium . As the ...
... tunnel alignment and at the entrance portal , geotechnical assessment of the tunnel has been carried out . It is expected that the rock formations such as fresh and hard khondalite and charnockite would be the tunneling medium . As the ...
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Common terms and phrases
abutment Additional Item amphibolite ANDHRA PRADESH bed rock biotite block boreholes boreholes drilled carried charnockite clay CONSTRUCTION STAGE GEOTECHNICAL cover Cuddapah cut off trench cut-off depth DISTRICT dolerite dolerite dyke downstream earth dam excavated exposed field season flank foliation Formation foundation fresh rock garnet garnetiferous geological mapping GEOTECHNICAL INVESTIGATION gneiss gold granite granitoids granulite gravity grey ground level hornblende indicated intrusive joints KARNATAKA KERALA Khondalite kimberlite Kumar laterite limestone lineament located magnetite migmatite mineralisation minerals moderate monzogranite NE-SW NW-SE overburden pegmatite Peninsular Gneissic Complex penstock permeability tests powerhouse project authorities proposed Puducherry pyroxene pyroxene granulite quartz quartz veins quartzite river rock types samples schist Schist belt seismic shale shear zone slope soil Specialised Thematic Mapping spillway sq km STAGE GEOTECHNICAL INVESTIGATION strike length structure studies suggested Tamil Nadu terrain thickness toposheet traversed tunnel upto values varies vertical weir width