Browsing ERE - 2010 by Author "Dharmaratne, PGR"

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  • Effects of discontinuous properties on the stability of tunnels 
    Nawarathna, THK; Kulathilake, LKNS; Perera, HDH; Premalal, PAM; Dharmaratne, PGR; Chaminda, SP; Rohitha, LPS [Conference-Full-text]
    Many failures of underground openings during excavation are closely related to discontinuous properties of the surrounding rock mass and they affect differently to the stability of underground openings. In this research, ...
  • Gold recovery from gem gravel 
    Sampath, JDS; Abyegunawardana, PH; Anojan, R; Gunasekara, RDI; Dharmaratne, PGR; Rohitha, LPS [Conference-Full-text]
    The combination of gold's relative scarcity and its elegant beauty has made it a very valuable commodity throughout the history of humanity. It is much evident that Sri Lanka is processing placer type secondary gold ...
  • Pneumatic sludge pump re-design for performance enhancement in the conditions of Bogala mines 
    Senarathne, DEN; Perera, KLHD; Madusanka, DAG; Muthukuda, MASL; Dharmaratne, PGR; Rohitha, LPS; Chaminda, SP [Conference-Full-text]
    Bogala Graphite mine is one of the well known high grade underground graphite mine in the world. Dewatering is one of tire major lost component in the mine. Diesel or electric pumps can not be used in underground mines ...