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Browsing by Author "Jayawardena, LC"

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A Grain Size Threshold for Quantifying Active Sediment Input: A Case Study of Maha Oya River in the Western Coast of Sri Lanka

Jayathilaka, RMRM; Ratnayake, NP; Wijayaratna, TMN; Silva, KBA [Conference-Abstract]

Rivers have a significant role in the coastal sediment budget as the primary sources of natural sediment. Further, it is essential to comprehend the minimum grain size threshold, also known as the littoral cutoff diameter ...
Optimization of blasting geometry and explosive quantity in control blasting for dimension stone extraction

Kavinda, SWH; Siriwardana, NAHPER; Chathuranga, JPD; Chaminda, SP; Dassanayake, ABN; Jayawardena, CL; Samarakoon, KGAU [Conference-Full-text]

Dimension stone industry is a widespread market in the globe and has shown promising trends for expansion in the recent years. Dimension stones can be defined as, natural stones that have been selected and extracted to ...
Potentials and issues in manufacturing water-based graphite dispersions (-lubricants) in Sri Lanka as value added end product of natural graphite

Ekanayake, EMKB [Conference-Abstract]

Sri Lanka is the only country in the world known to extract and produce commercially viable quantities of natural crystalline vein graphite. Currently Bogala Graphite mines and Kahatagaha Graphite mines are famous underground ...
Selection of high-quality aggregates for high-end civil engineering projects such as airport runways

Deelaka, MDN; Ridmika, AMPS; Subodha, GMP; Samaradivakara, GVI; Abeysinghe, AMKB [Conference-Full-text]

In civil engineering, aggregates normally comprise over 70% by volume in both concrete and asphalt mixes, so that the properties of aggregates mostly represent the overall properties of the mixture. Among these properties, ...
Upgradability of Quarry Dust Use as a Substitute for River Sand in Plastering Works in Construction Industry

Weerarathne, KH; Krishanth, S; Vithulyan, S; Dissanayake, DMC; Illankoon, IMTN; Samaradivakara, GVI; Mushmika, PAS [Conference-Abstract]

Due to its low supply and high demand, river sand has become one of the priciest building construction materials. Riverbeds are overly mined for river sand to cater to the high demand, and this has been causing irreversible ...

Browsing by Author "Jayawardena, LC"

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