Blar i Institutt for geovitenskap og petroleum på forfatter "Panthi, Krishna Kanta"
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Numerical simulation of pore pressure in rock joints during pressure transient in an unlined hydropower tunnel
Neupane, Bibek; Panthi, Krishna Kanta (Chapter, 2020)Recent experimental result shows that pressure transients of both short and long time periods; i.e. water hammer and mass oscillation; can travel into the rock mass of an unlined hydropower tunnel through rock joints. It ... -
Operation of Norwegian Hydropower Plants and Its Effect on Block Fall Events in Unlined Pressure Tunnels and Shafts
Neupane, Bibek; Vereide, Kaspar; Panthi, Krishna Kanta (Peer reviewed; Journal article, 2021)The main objective of this study is to investigate the effect of hydropower plant operation on the long-term stability of unlined pressure tunnels of hydropower plants in Norway. The authors analyzed the past production ... -
Optimization and engineering geological evaluation of headrace tunnel system of Akavreta HPP in Georgia
Birkadze, Vladimer (Master thesis, 2022)Current thesis is about designing and evaluating Akavreta HPP headrace tunnel system in Georgia. Akavreta HPP is 20 MW hydropower project located in Adjara region. There are three dams, which collect water from three ... -
Optimization and Stability Analysis of Waterway System and Underground Powerhouse Cavern for Himchuli Dordi HPP, Nepal
Thapa, Bikram (Master thesis, 2018)Potential for hydropower development in Nepal is well established, and exploitation of the resource with economical and sustainable design is the need of the time. Unlined pressure tunnel is proven safe and economical ... -
Planlegging og designoptimalisering av vegtunneler basert på data fra Soknedalstunnelen
Jermstad, Marte Maria Doeven (Master thesis, 2019)E6 sør for Trondheim har svært varierende standard, og flere strekninger trenger en oppgradering. En av disse strekningene er veien mellom Korporalsbrua og Soknedals sentrum i Midtre Gauldal kommune. På grunn av svingete, ... -
Planning and engineering geological assessments of Prestås and Bjønnås tunnels along E18 between Langangen and Rugtvedt in Porsgrunn
Rugtvedt, Lars (Master thesis, 2021)Denne masteroppgaven omhandler de to kommende veitunnelene Preståstunnelen og Bjønnåstunnelen på Nye Veier-prosjektet ny E18 Langangen-Rugtvedt i Porsgrunn kommune. Preståstunnelen og Bjønnåstunnelen er de to lengste ... -
Planning and Rock Engineering Design of the Underground Structures of the Tamakoshi V Hydroelectric Project
Chauhan, Kundan (Master thesis, 2020)The Tamakoshi V Hydroelectric Project is a cascade scheme of the under construction 456 MW Upper Tamakoshi Hydroelectric Project. It has an installed capacity of 99.8 MW and will be located in the right bank of Tamakoshi ... -
Planning and support estimation of underground powerhouse in the Himalayas
Adhikari, Sailesh; Panthi, Krishna Kanta; Basnet, Chhatra Bahadur; Katuwal, Tek Bahadur (Chapter, 2024)Underground structures like tunnels and caverns have major advantages in hydropower projects. Tunnels are used for transporting the water from the intake to the tailrace outlet through the turbines whereas caverns primarily ... -
Plastic deformation behavior in tunnel in schist and Schistose Mica Gneiss based on a case from Nepal Himalaya
Shrestha, Pawan Kumar; Panthi, Krishna Kanta (Chapter, 2012)Plastic deformation in tunnels is one of the few tunnel stability challenges that are being faced in the Himalayan region. Severe tunnel deformations have been recorded, particularly when tunnel passed through plastically ... -
Predicted versus actual rock mass conditions: a review of four tunnel projects in Nepal Himalaya
Panthi, Krishna Kanta; Nilsen, Bjørn (Journal article; Peer reviewed, 2007)The Himalayan region possesses enormous potential for hydropower development. However, there exists great challenge for the successful underground excavation due to complex geological set up of the region. It is generally ... -
Predicting Tunnel Squeezing: A Discussion based on Two Tunnel Projects
Panthi, Krishna Kanta (Journal article; Peer reviewed, 2013)Tunnel squeezing is a phenomenon, which is frequently confronted while tunneling through Himalayan rock mass. Weak and schistose rocks like mudstone, shale, slate, phyllite, schist, highly schistose mica gneiss and the ... -
A review of the testing approaches in swelling rock conditions at three different institutions
Selen, Lena; Panthi, Krishna Kanta (Peer reviewed; Journal article, 2021)The swelling potential of weak rocks is crucial to assess in stability determinations of tunnels constructed for both infrastructure and hydropower. Among the institutions that are involved with extensive research on ... -
Review on the Major Failure Cases of Unlined Pressure Shafts/Tunnels of Norwegian Hydropower Projects
Panthi, Krishna Kanta; Basnet, Chhatra Bahadur (Journal article; Peer reviewed, 2016)The Norwegian hydropower industry has more than 100 years of experience in constructing the unlined pressure shafts and tunnels. Most of the hydropower projects have long waterway systems consisting unlined high pressure ... -
Review on the prevailing methods for the prediction of potential rock burst / rock spalling in tunnels
Panthi, Krishna Kanta (Chapter, 2017)Rock burst / rock spalling is among the prevailing stability challenges, which can be met while tunneling through hard rock mass. Especially, this is very relevant for the mountainous country like Norway where hard rock ... -
RMR vs Q vs RMi
Nilsen, Bjørn; Shrestha, Gyanendra Lal; Panthi, Krishna Kanta; Holmøy, Kristin H.; Olsen, Vegard (Journal article, 2003) -
Rock cut slope excavated for Settling basins of Seti Khola Hydropower Project
Panthi, Krishna Kanta; Basnet, Chhatra Bahadur (Chapter, 2023)Stability of a cut-slope at the headworks area of the hydropower projects is very important for smooth operation of hydropower plant. Underestimation during construction period may bring a catastrophic consequence. This ... -
Roughness evaluation in shotcrete-lined water tunnels with invert concrete based on cases from Nepal
Basnet, Chhatra Bahadur; Panthi, Krishna Kanta (Journal article; Peer reviewed, 2018)Most of the existing roughness estimation methods for water tunnels are related to either unlined or concrete/steel-lined tunnels. With the improvement in shotcrete technology, advancement in tunneling equipment and cost ... -
Rv. 70 Oppdølsstranda. Analyse av stabilitetsproblemer knyttet til høye anisotrope spenninger
Stormyr, Elisabeth (Master thesis, 2012)Som rassikring langs den svært rasutsatte strekningen av Rv. 70 langs Oppdølsstranda ved Sunndalsøra i Møre og Romsdal skal det bygges en 7,5 km lang vegtunnel. Tunnelen drives gjennom et området med bratt topografi og ... -
Sammenheng mellom for-injeksjon og bergmassekvalitet i jernbanetunneler på Farriseidet-Porsgrunn prosjektet
Herfindal, Kaisa Kristina (Master thesis, 2014)- Teoretisk literaturstudie av bergmassekarrakter, grunnvannstrømning og for-injeksjonsteknikk- Presenter ulike metoder som kan benyttes for å oppnå en vanntett tunnel, med eksempler fra reelle prosjekter- Presenter ... -
Slaking og disintegrering av svake bergarter i vanntunneler
Selen, Lena; Panthi, Krishna Kanta (Chapter, 2019)Endringer i materialparametere grunnet kjemisk og mekanisk forvitring er svært viktige problemstillinger i vanntunneler konstruert for vannkraft. Svake bergmasser inneholder et betydelig potensial for forvitring og ...