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ISERME - 2022
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Browsing ISERME - 2022 by Faculty

Browsing ISERME - 2022 by Faculty "Engineering"

Now showing items 1-16 of 16

Determining the characteristics of the calcite intrusions in the southern part of eppawala deposit and its applicability for the industries

Peter, GKMR; Sivaruban, S; Jayathilaka, GMANGNMB; Lasantha, MML; Rathnayake, NP; Hemalal, PVA; Batapola, BDNM [Conference-Full-text]

Eppawala is the only phosphate deposit that is currently being mined in Sri Lanka and is composed of mainly two parts northern and southern. The ongoing phosphate mining process in the southern part has resulted in the ...
Determining the Invasive Plant Dynamics in Bolgoda Lake Using Open-source Data

Kannangara, KATT; Shoukie, MB; Nayomi, MPA; Dassanayake, SM; Dassanyake, ABN; Jayawardena, CL [Conference-Abstract]

Identifying invasive plants (IP) and monitoring their dynamics is essential to minimize potential adverse effects on natural resources. Remote sensing (RS) could effectively cater to such requirements by acquiring data in ...
Development of a blasting simulator considering gas-rock interaction

Wataru, I; Daisuke, F; Yoshiaki, T; Tei, S; Shiro, K; Jun-ichi, K; Yoshiaki, F [Conference-Full-text]

Optimization of rock blasting in mining engineering is essential for energy efficiency, cost reduction, and safety. In contrast, the dynamic rock fracture process due to blasting involves highly complex and rapid processes. ...
Evaluation of weathering effect on engineering properties of Sri Lankan gneissic rock

Karunarathne, GKA; Weerasinghe, WMRT; Dukeraisan, AK; Niroshan, S; Gamsavi, K; Dassanayake, ABN; Chaminda, SP; Jayawardena, CL; Wickrama, MADMG [Conference-Full-text]

Weathering is a natural process common for all kinds of rock types that may occur due to either physical, chemical, or biological reasons. The applicability of rock in different engineering applications has a primary concern ...
Experimental investigation and performance optimisation of washing cycles for pre-processing of coal fly ash

Brinthan, K; Shivadhahini, S; Senadheera, UAG; Fernando, WAM; Jayawardena, CL; Jayasundara, DRT; Wickrama, MADMG [Conference-Abstract]

Coal Fly Ash (CFA), a by-product of thermal power plant combustion, has a profound focus among researchers due to its pozzolanic properties, porosity, wide chemical composition, and thermal stability. While being suitable ...
Experimental investigation on factors affecting the bulking of aggregate quarry products

Wijethunga, WMRTB; Aththanayake, AMDR; Weerasinghe, UASB; Illankoon, IMTN; Dassanayake, ABN; Chaminda, SP [Conference-Full-text]

Aggregate quarry products have long been essential to the construction sector. These aggregate products are produced by blasting the in-situ rock at quarries and subjecting it to primary and secondary crushing. There is a ...
Geochemical distribution of selected elements in serpentinite deposit in ginigalpelessa, Sri Lanka

Dilshan, RADP; Sageenthan, A; Weerangana, NGN; Premasiri, HMR; Ratnayake, NP; Abeysinghe, AMKB; Dushyantha, NP; Batapola, NM; Dilshara, RMP [Conference-Full-text]

Serpentinite deposits are well known for their natural enrichments of heavy metals (Ni, Cr, Co) and depletions of macro nutrients (Ca, Mg), which have caused different ecological and health impacts in the surrounding areas. ...
GPR mapping as a method for placer mineral exploration: A case study in Akurala, Sri Lanka

Beddage, BCD; Ijas, MUA; Wijayalath, WATN; Vijitha, AVP; Premasiri, HMR [Conference-Full-text]

Placer mineral exploration includes mapping underlying strata extensively. There are numerous exploration techniques, including electric and gamma logging, shallow vertical drill holes, exploratory trenches, and pits. Due ...
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 ...
Identification of potential minerals/rocks in Sri Lankan geological terrain as source of potassium (K) fertilizer

Nivethithan, T; Ariyawansha, KAPM; Dahlan, ACA; Abeysinghe, AMKB; Ratnayake, NP; Premasiri, HMR; Dushyantha, NP; Batapola, NM; Dilshara, RMP [Conference-Abstract]

Due to the agricultural intensification in Sri Lanka, there is a high demand for potassium (K)-fertilizer inputs. However, in the Sri Lankan geological setting, the presence of major potash sources is minimum though the ...
International Symposium on Earth Resources Management & Environment 2022 (Pre-Text)

Jayawardena, CL [Conference-Full-text]
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, ...
Spatial distribution of heavy metals in sediments of the Negombo Lagoon, Sri Lanka

Nanayakkara, CJ; Partheepan, N; Kumarapperuma, MY; Ratnayake, NP; Premasiri, HMR; Abeysinghe, AMKB; Dushyantha, NP; Batapola, NM; Dilshara, RMP [Conference-Abstract]

Heavy metals accumulate in the sediments of aquatic environments due to poor water solubility. Their toxic effect poses a significant threat to living organisms. Negombo Lagoon, a vital aquatic ecosystem in Sri Lanka, has ...
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 ...

Now showing items 1-16 of 16

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