Browsing ERE - 2007 by Title

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  • Alternative for river sand 
    Ekanayaka, EMTM; Jayawardene, MN; Kannangara, KKDM; Puswewala, UGA; Rathnayake, NP; Chaminda, SP; Vijitha, AVP [Conference-Full-text]
    The need of finding an alternative for river sand arises due to the over exploitation of river sand and its various harmful consequences. The focus of the current study was on offshore sand, which is clearly one of the ...
  • Application of simulation methods to understand tsunami processes around the coastal region of Sri Lanka 
    Rathnayake, RMMT; Nilminie, WNRPN; Senanayake, DS; Rathnayake, NP [Conference-Full-text]
    Tsunami is one of the most devastating natural disasters which cannot be prevented or precisely predicted even with the modern advanced technology. One of the best solutions for prediction as well as for the risk ...
  • Coastal erosion in South Western part of Sri Lanka from December 2006 to June 2007 
    Hansi, MKTN; Lokukankanamage, DMG; Ranasinghe, GP; Witharana, GH; Rathnayake, NP [Conference-Full-text]
    Coastal region is a very valuable area for developing countries like Sri Lanka, since a good protected coastal region will facilitate the tourism as well as fishing Industry. But the coastal erosion, especially in South ...
  • Cost estimation and development of cash flow on mining operation (IML/A) (category quarry operation) 
    Amirthasothy, V; Arulvadivel, T; Fareez, MRM; Kommala, KD; Madanayake, TA; Walideniya, HS; Weerawarnakula, S [Conference-Full-text]
    More than 70 quarry operations are conducted under the IML/A Category licence all over the country. The high demand of metal aggregates for the construction industry (road and buildings constructions) has made industrial ...
  • Ground vibration and air blast overpressure assessment using scaled distance 
    Sivarajan, V; Kumara, KLDS; Hearath, HMSD; Nanayakare, NWP; Welideniya, HS; Weerawarnakula, S [Conference-Full-text]
    In recent years there was a noticeable developmental activity, especially in industrial as well as construction sectors such as roads, harbours, condominiums etc. This has enhanced and developed aggregate industry and ...
  • Nutrients, Fe and bacterial removal in sub surface flow constructed wetlands treating polluted mine water 
    Dharmasiri, KLGNC; Yalini, A; Jeewantha, DLC; Karunarathne, S [Conference-Full-text]
    A study was carried out to compare the performance of a pilot scale subsurface flow constructed wetland system to treat polluted water in Ragama prison quarry, an abandoned mine pit Two cement sand tanks with the dimensions ...
  • Offshore sand exploration around Kaluthara-Beruwala area 
    Gunasinghe, AWDC; Chandana, NHS; Ranaweera, DHD; Vijitha, AVP; Rathnayake, NP [Conference-Full-text]
    Offshore minerals are used as a raw mineral for various types of industries around the world. The exclusive economic zone belonging to Sri Lanka more than eight times land area of the country, offering huge potential for ...
  • A pilot study on the mineralogical and geochemical characteristics of a recently discovered in-situ beryl occurrence at Kaltota, South Central Sri Lanka 
    De Silva, PJS; Kuhananthan, P; Consalas, MA; Nazlan, MZM; Afal, MCM; Abeysinghe, AMKB; Rathnayake, NP; Weerawarnakula, S; Premasiri, HMR; Siriwardana, CHER [Conference-Full-text]
    Recently discovered in-situ beryl occurrence at Kaltota, southcentral Sri Lanka was studied by a pilot study of soil survey to probe its mineralogical and geochemical characteristics. Overall mineralization of the ...
  • 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 ...
  • 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 ...
  • 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, ...
  • The use of prototype pelletizer for iron ore preparation 
    Arachchi, GARMG; Jayarathna, STCK; Jeyarupan, G; Thusyanth, M; Fernando, WLW [Conference-Full-text]
    In this research, a pelletizer was designed and fabricated as a prototype machine to make iron ore pellets to be used as a blast furnace burden. During the iron manufacturing process, iron ore powder of specified particle ...