Browsing ISERME - 2020 by Author "Hemalal, PVA"

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  • Fragmentation optimization in aggregate quarrying in Sri Lanka 
    Edirisinghe, EAAV; Kaluarachchi, KAUM; Lakmal, WYP; Samaradiwakara, GVI; Hemalal, PVA; Chaminda, SP [Conference-Full-text]
    Blasting is an essential task in aggregate quarrying industry for rock fragmentation. Rock fragmentation, which is the fragment size distribution of blasted rock material, is used in mining industry as an index to estimate ...
  • An investigation of industrial mineral mining methods in Sri Lanka 
    Thanujan, T; Subasinghe, MAIIJ; Vettinathan, S; Dharmaratne, PGR; Hemalal, PVA; Chaminda, SP; Jayawardena, CL [Conference-Abstract]
    Sri Lanka is endowed with a rich base of industrial minerals despite its small land area. Traditional and modernized mining methods are employed to mine graphite, limestone, beach mineral sand (ilmenite, rutile, zircon ...
  • Technical, socio-environmental & procedural limitations in Sri Lankan quarry industry from mining professionals perspective 
    Garusinghe, JP; Serasinghe, KDBJ; Khan, WM; Hemalal, PVA; Jayasundara, DRT; Jayawardena, CL [Conference-Full-text]
    Over 2500 quarry sites are currently in operation to cater the large requirement of rock aggregates in Sri Lanka. The concerns of this industry are not limited to the environmental and social aspects but significantly ...