The concept of evolving a block tectonic model for a high concrete gravity dam located in a dynamically evolving Himalayan terrain has been attempted for the first time in the Indian context. Precise delineation of the lithounits, demarcation and ordering of discontinuities and mega shear zones at the...

This paper discusses results of analysis from geotechnical database collected during field mapping of shafts in weak/soft rocks of Abu Hamour tunnel project area of South Doha, Qatar. Shafts are connected to the main tunnel by short tunnels – adits, excavated using sequential excavation method. Shaft...

In the present study, slope stability analysis has been carried out for Pakhi landslide, atPipalkoti, Uttarakhand Himalaya, India. The site is situated alongside Chamoli-Badrinath National Highway (NH-58) in the Higher Himalayas. This route has immense importance due to its functional service for both...

Recent advances in data acquisition technologies, have led to a growing interest in capturing high resolution rock surface images, Digital geologic maps that use a virtual globe interface, like google earth are a relatively new medium for presenting geologic data and interpretations. Models viewed in...

All the surface as well as underground hydropower stations has Electrical Overhead Travelling (EOT) cranes to facilitate erection and maintenance of the generating equipment. In the powerhouses built over ground, such cranes run on column and beam frames, provided for supporting the roof structure. However,...

The case pertains to a hydroelectric project (520MW) located in Kullu district of Himachal Pradesh. During the feasibility stage, surface powerhouse was proposed with an option of an underground alternative as well. In the detailed project report stage, when extensive investigations were undertaken for...

Rampura Agucha mine is exploiting the world's largest Pb-Zn deposit and is currently in progress of transitioning from open cast to underground mining. Underground ore access development is primarily developed through foliated strata of a moderate strength which pose many challenges.Rock mass response...

Surge shaft serves to absorb the hammering effect of water from pressure tunnel generated due to the sudden stoppage of turbines, by accommodating surges/mass oscillations during load rejection/acceptance until the conduit velocity attains a steady state in water conductor system of a hydel Project....

The proposed 6x 660 MW Super Thermal Power Project is located near village Sandni and Barethi in Rajnagar Tehsil of Chhatarpur district, Madhya Pradesh. The terrain belongs to Bundelkhand Granite Massif (BGM) comprising a variety of medium to coarse grained granites. The Project site is mainly covered...

Geological mapping of deep foundation floor is essential to provide permanent data set for geological interpretation. A deep pump house (94 m long x 20 m width x 78 m deep) of Mahatma Gandhi Kalwakurthi Lift Irrigation Scheme-II (MGKLIS-II) wasconstructed at Mahaboobnagar District in TelanganaState for...

Generally it is pre mind setup that granitic terrain is always suitable for tunneling media and requirement of detail feasibility studies are minimize accordingly. To facilitated irrigation and other utility en-route of seven draught prone Districts of Telangana State, Dr B R Ambedkar lift irrigation...

For the assessment of natural stability of rock slopes, Kinematic analysis technique is extensively used. This technique makes use of dominant discontinuity planes within slope mass to forecast the probability of sliding, wedging and falling. This probability is given in the context of the attitude of...

A free flow diversion tunnel is designed as a part of Sengulam Augmentation Scheme envisaged to increase the storage in an already existing reservoir at Sengulam, in turn power generation by transferring water available at Kallar River Basin. The tunnel is driven through gneissic bedrock with granite,...

The Jammu & Kashmir State Power Development Corporation (JKSPDC) is contemplating for construction of different run of the river schemes on Dras – Suru Rivers to harness the power potential of these rivers. The Pre-feasibility Stage geotechnical and geological investigation of three hydroelectric projects...

Generally, during earthquake events, underground structures have experienced a lower rate of damage than surface structures. Nevertheless,some underground structures registered significant damages in large earthquakes (the 1995 Kobe, Japan, the 1999 Chi-Chi, Taiwan, the 1999 Turkey, the 2008 China)....

Several examples of leakage through abutments and foundation of dams have been witnessed world over, but with the advent of modern technology and innovative approach, such problems are being tackled successfully. The piping and internal erosion within thick overburden in river valley was a major geotechnical...

Stratified rock cut slopes for e.g. shale-sandstone-siltstone layers are a common occurrence in some part of the Himalayas. These rocks are highly jointed and bears low strength to sustain significant engineering load. A similar geological condition exists in the north eastern Himalayas (Aizawl, Mizoram)...

A decade ago, in September 2006, the European Commission sanctioned Amrita University, Kerala, to design, develop, and deploy a wireless sensor network-based landslide monitoring system. The deployment was completed in June 2009, at the Anthoniar Colony Landslide in Munnar, Kerala, and the system has...

To verify whether insitu conditions have been realistically estimated during investigation and to furnish the permanent data set for the interpretation of geological conditions, foundation floor mapping of important structure like control building of nuclear power plant is essential. At Rawatbhata, adjacent...

The state-of-art technical developments in the engineering construction technology has made it now possible to implement any hydro power project, irrespective of its magnitude, wherein even geological setup of project is unfavorable & adverse. However, this poses immense challenge for the rightful selection...

The earthquake catalogue of the Kerala State indicates that the central part of the state (Wadakkancheri-Trissur and Idukki –Kottayam- Pala) is witnessing repeated seismicity. Though lineaments of all directions are identified in Kerala, some NW-SE trending structures are identified as neotectonically...

The term active tectonics refers to those processes that produce deformation of earth's crust on a time scale of significance to human society. Earthquakes are the resultants of such deformations at the earth crust. The devastating events occurred in the past three decades (e. g 1993 Killari, 1997 Jabalpur...