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Browsing Annual Conference on Mining for Sustainable Development by Title

Browsing Annual Conference on Mining for Sustainable Development by Title

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  • Quartzite mining and sand manufacturing 
    Kalubowila, KDLSSP; Gomes, DGNM; Arundathie, KWDD; Dharmarathne, WGAD; Kumara, WAP; Welideniya, HS; Fernando, WLW [Conference-Full-text]
    Manufactured sand is considered as an alternative to match the rising demand of river sand in the construction industry. The basic concept is to crush Quartzite, the source rock to produce sand. This report focuses on ...
  • Recovery enhancement of graphite tub-dust to 99+ carbon using a mill modification 
    Samarakkody, SATI; Rohitha, LPS; Fernando, WLW [Conference-Full-text]
    There are many mineral processing methods that are being used in mining and mineral processing industries. One such method very widely used in the graphite industry is froth flotation. During the present study, graphite ...
  • Remote sensing and GIS approach for Tsunami damage assessment - a case study 
    Premadasa, WN; Jayalath, SDLD; Weerakoon, HMAB; Dissanayake, DMDOK [Conference-Full-text]
    Tsunami cause widespread damage to the properties as well as human lives in the coastal regions. Sri Lanka is a vulnerable country for tsunami since Java-Sumatra is a very active subduction zone, where there were several ...
  • Removal of iron oxides in Meetiyagoda kaolin by chemical leaching to improve whiteness 
    Azarudeen, MHM; Piranavan, S; Krishnakumar, S; Senanayake, IP; Rohitha, LPS; Weerawarnakula, S [Conference-Full-text]
    Industrial grade Kaolin deposits in Sri Lanka are located in Boralesgamuwa and Meetiyagoda. Two distinct grades of Kaolin are produced at Meetiyagoda refinery, based on the whiteness index (WI). The presence of iron oxides ...
  • Replenishment dynamics at Verugal beach heavy mineral deposit 
    Dissanayake, DMCJB; Igalawithana, TD; Karunarathne, AVPI; Maduranga, SWM; Udayakumara, PWG; Amalan, K; Rathnayake, NP [Conference-Full-text]
    Eastern coast of Sri Lanka is abundant with heavy minerals, particularly at Pullmuddai where Sri Lanka's only heavy mineral processing plant is situated. Verugal is one other areas where there is a rich, heavy mineral deposit ...
  • Rheological behaviour of mineral (clay) suspensions 
    Balasooriya, BARD; Kumara, WC; Prasanna, TGS; Sasekaran, M; Fernando, WLW [Conference-Full-text]
    In this research, a rotating cylinder viscometer was designed and fabricated to study the structure formation of particles in a mineral suspension and its influence on the relative viscosity q/qo. It is known that the ...
  • Seasonal changes and coastal erosion in the South Western part of Sri Lanka 
    Subramaniam, DN; Amarakoon, GGNN; Gunathunga, SGAS; Pathinayaka, RC; Indeewara, VGD; Vijitha, AVP; Rathnayake, NP [Conference-Full-text]
    Sri Lanka is an Island, the economy of which relies very much on the developments of the coastal region, which supports tourism and fisheries. In addition, especially in the South-Western part of the country, the ...
  • Selection of an effective substrate to treat gray water in horizontal flow constructed wetlands 
    Thirukumaran, AK; Ehamparam, S; Darmini, S; Karunarathne, S [Conference-Full-text]
    A study was carried out to compare the performances of different substrates used in a laboratory scale subsurface flow constructed wetland systems to treat gray water released from the university staff canteen. Three ...
  • Slope stability analysis and design of open pit mine slopes for limestone mine at Aruwakkalu, Puttalam, Sri Lanka 
    Kariyawasam, KMGS; Dauglas, DLPM; Amali, NPG; Samaradiwakara, GVI; Chaminda, SP; Hemalal, PVA; Jayawardena, CL [Conference-Full-text]
    The largest open pit limestone mine in Sri Lanka which belongs to Holcim Lanka Limited is located at Aruwakkalu, Puttalam. The sub-surface of this site is comprised of an overburden of average thickness 24 m followed by ...
  • Soil nail wall design optimization by geotechnical applications and geophysical techniques 
    Hettiarachchi, DAI; Fernando, HRW; Nanthahoban, E; Sameer, STM; Abeysinghe, AMKB; Premasiri, HMR; Samaradivakara, GVI [Conference-Full-text]
    Soil nailing is a soil reinforcement technique which is used to stabilize slopes by insertion of slender elements, called nails. When steep slopes are to be stabilized by soil nailing, practical problems are encountered ...
  • Spatial properties of lineaments using a computer software 
    Ekneligoda, TC; Henkel, H [Conference-Full-text]
    An interactive software, Spatial Analysis of Lineaments, has been developed, that calculates the spatial properties azimuth, length, spacing, and unidirectional frequency of lineaments, provided that the starting and ...
  • Stability of mica, k-feldspar and apatite in water, organic matters and citric acid 
    Amaraweera, THNG; Pitawala, HMTGA; Fernando, GWAR [Conference-Full-text]
    The short term stability of mica, feldspar and apatite in different geochemical conditions were tested in the laboratory. Different proportions of powdered minerals (<125 pm) were mixed with organic matter with water, ...
  • Stope productivity improvement through application of cut-and-fill mining method variant at Bogala graphite mines, Sri Lanka 
    Abeykoon, AGTBB; Lanka, KASS; Ovitigala, IR; Wijerathna, KS; Hemalal, PVA; Dharmaratne, PGR [Conference-Full-text]
    Vein graphite mining is more often carried out by underground mining in Sri Lanka due to its mode of occurrence. Bogala underground mine is one of the major graphite mines in the country, where overhand cut-and-fill ...
  • Structural mitigation for stabilizing rock slope failure at Peradeniya on Colombo- Kandy Main Road: geotechnical and constructional aspects 
    Premathilaka, KKW; Munasinghe, MPNJ; Kasthurirathna, KANS; Kumara, ALDP; Senapathi, LR; Abeysinghe, AMKB; Premasiri, HMR; Chaminda, SP; Puswewala, UGA; Wijewickrama, MIDH [Conference-Full-text]
    Rock slope failure at Kandy -Colombo highway near Peradeniya town has been identified as a major threat to the highway as well as the people and properties of the vicinity. This study proposes a permanent mitigation plan ...
  • Suitability of light coloured silicate metamorphic rocks of Sri Lanka in construction industry 
    Karunathilaka, JKWPC; Karunarathne, S; Rohitha, LPS [Conference-Full-text]
    Conventionally, in the local construction industry, darker coloured (melanocratic) rocks are preferred over light coloured (leucocratic) rocks without proper scientific reasoning. Hence, the objective of the study is to ...
  • Suitability of locally occurring clay as liner material 
    Indunil, HWI; Jayasekara, JMNP; Mahesh, TPC; Veenuganan, S; Karunarathne, S; Puswewala, UGA [Conference-Full-text]
    The lowest permeability and highest shear strength are desirable factors when designing a liner system. Adding additives such as coal or mixing with fine clays such as kaolin was also invented to improve the desirable ...
  • Sword ferns for phytoremediation of chromium contaminated waters 
    Hettiarachchi, M; Karunarathne, S; Dissanayake, K [Conference-Full-text]
    Chromium is a highly soluble transition metal of vital industrial importance. It occurs in both trivalent and hexavalent forms. Due to many well identified adverse impacts of chromium to human health and natural ecosystems, ...
  • Tsunami modelling and risk assessment of Hambantota, Sri Lanka using integrated remote sensing techniques 
    Fernando, WAM; Aswer, MLM; Premarathna, MWVS; Suthakar, M; Dassanayake, DMDOK; Senanayake, IP; Samansiri, S [Conference-Full-text]
    This study was carried out to develop an inundation and risk assessment model in Hambantota coastal area, based on the 2004 tsunami event. This tsunami event was one of the largest tsunamis to cause devastation to human ...
  • Tunnel design for fractured rocks and suitable support selection 
    Senthilkumar, M; Senadhira, AMADM; Giriwaksan, S; Welideniya, HS; Dharmaratne, PGR [Conference-Full-text]
    This research focused on design of a tunnel in highly fractured rocks, and to propose suitable support classes, based on the study carried out at the Upper Kotmale Hydro Power project location. The necessity arises in ...
  • Underground mine cost control through proper mine drainage - Bogala mines 
    Ahmed, AI; Norbertsan, JR; Sabry, MIM; Sandaruwan, MWMS; Morayas, MMST; Dharmaratne, PGR; Hemalal, PVA [Conference-Full-text]
    A Bogala graphite mine is located in the Kegalle district, Sri Lanka. Bogala mines has been experiencing a considerable water inflow during the past many years, involving a significant cost on mine dewatering compared ...