Browsing by Author "Dassanayake, ABN"

Adaptation to future flooding in a lowland city - a case of Jakarta city

Kazama, S; Januriyadi, NF; Kure, K [Conference-Full-text]

Proceedings of ISERME 2020 ISERME 2020 104 Adaptation to Future Flooding in a Lowland City, - A Case of Jakarta City - *Kazama1 S, Januriyadi2 NF and Kure3 K 1Department of Civil and Environmental Engineering, Tohoku ...

Analysis of beachrock samples along Southern and Western coasts of Sri Lanka by spectroscopic methods

Edirisooriya, KVUI; Thilakarathna, MADP; Vijitha, T; Dassanayake, ABN; Jayawardena, CL [Conference-Full-text]

Beachrocks are sedimentary structures commonly observed where there is warm sea water in tropical and subtropical regions as a result of cementation by CaCCb of coastal sediments in the tidal zone. Comprehensive studies ...

Analyzing the seasonal variation of groundwater characteristics in the Attanagalu Oya basin

Athukorala, DRM; Kohilan, C; Danushka, U; Jayarathna, WHDP; Chaminda, SP; Dassanayake, ABN; Hewavidana, SM [Conference-Full-text]

Gampaha district which has the second largest population in the country consists of many industrial establishments and residential areas. Attanagalu Oya Basin which almost entirely the Gampaha district is a major hydrologic ...

analyzing the temporal variation of groundwater level in Attanagalu oya basin using numerical models

Vinu, I; Udayanga, RMK; Chaminda, SP; Dassanayake, ABN [Conference-Full-text]

Scarcity for drinking water becomes one of the enormous threats around the world due to the increase in population, climatic fluctuation and pollution. Sri Lanka is considered as a country with little or no water scarcity ...

Applicability of ground penetration radar (GPR) technique to optimize soil Nail Wall designs

Lasan, HLI; Weerasekara, MN; Prashanth, S; Abeysinghe, AMKB; Premasiri, HMR; Samaradivakara, GVI [Conference-Full-text]

Soil nailing is used to stabilize existing natural slopes or excavations using soil reinforcement technique. Due to lack of information on ground profiles and thickness of soil layers, the required soil nail lengths cannot ...

Applicability of pre-heating techniques for recovery of garnet from garnet biotite gneiss

Jayakodi, JDSU; Weliwita, BY; Nishanthan, SS; Samaradivakara, GVI; Abeysinghe, AMKB; Rohitha, LPS; Vijitha, AVP [Conference-Full-text]

In mineral processing industry, the highest energy is consumed by crushing and grinding operations. However, if we can initiate micro cracks in the hard rock pieces in advance, we should be able to reduce the crushing ...

Application of emulsion explosive and comparative study on water-gel explosives for rock quarrying in Sri Lanka

Dharmaratne, PGR; Hemalal, PVA; Rohitha, LPS; Herath, B [Conference Full-text]

Dynamite has been the premier and the only high explosive used for mining and construction activities in Sri Lanka for a long period of time. Negative environmental impacts, effect on health and security hazards led to ...

Assessment of rare earth element potential in intrusive rocks special reference to massenna zircon granite

Jayasuriya, JHAATS; Jayathilake, RGMA; Jeyakumar, J; Batapola, NM; Dushyantha, NP; Abeysinghe, AMKB; Premasiri, HMR [Conference-Full-text]

Sri Lanka has a geological setting that favors the presence of rare earth elements (REEs), which are currently identified as the most critical and strategic elements in the world. Previous geochemical studies show that ...

Assessment of seasonal impacts on groundwater quantity and quality in upstream of Malwathu Oya Basin

Madhushankha, JML; Madhuwan, ARB; Menan, P; Chaminda, SP; Abeysinghe, AMKB; Jayawardena, CL [Conference Full-text]

Malwathu Oya Basin which covers 2350km2 located in Anuradhapura district is considerably populated and the safety and the available quantity of water is crucial for the people. Water samples were collected from selected ...

Assessment of the effect of Aruwakkalu waste dump on surrounding water resources

Chirantha, D; Herath, HMDK; Chandrapala, HMNI; Chaminda, SP; Dassanayake, ABN; Jayawardena, CL [Conference-Full-text]

In developing countries like Sri Lanka, waste management is a vital necessity. Solid waste dumps play a major role in handling waste in most countries. These solid waste dumps can cause severe environmental pollution via ...

Bioremediation of lead-contaminated mine waste using microbially Induced carbonate precipitation

Mwandira, W; Nakashima, K; Kawasaki, S [Conference Full-text]

The aim of this study was to use microbially induced calcium carbonate precipitation (MICP) technique to bioremediate lead using bacterium Pararhodobacter sp. Laboratory scale experiments conducted, achieved complete ...

Characteristics studies on engineering properties of river sand substitutes for conventional concrete and mortar works

Withanage, AK; Sugathadasa, AGMRP; Mithushan, T; Dissanayake, D; Rohitha, LPS [Conference Full-text]

The main sand source of construction industry in Sri Lanka is river sand. However, being a developing country, the demand for river sand increases gradually. Based on engineering computations, sand demand for 2013 was ...

Correlations between durability, mineralogy and strength properties of limestone

Senarathna, TMB; Janith, SHMPK; Dassanayake, ABN; Chaminda, SP; Jayawardena, CL [Conference-Full-text]

Durability is used to depict the obstruction of rock to weathering and the pace of events of such changes. Wetting and drying cycles cause evaluation of physical changes and slaking behaviour of rocks, and that can be ...

Cost reduction of quality controlling in metal quarrying

Basnayaka, LR; Samarathunga, SPGN; Susantha, TKJ; Nawaneethan, M; Wickrama, MADMG; Samaradiwakara, GVI; Dassanayake, ABN [Conference-Full-text]

Quality controlling of aggregates is a major concern in aggregate industry. Cost of quality controlling can be minimized via finding correlations between different test on aggregates and rocks. Los Angeles abrasion value ...

Critical evaluation of current environmental comfort conditions of Bogala underground

Lasantha, MML; Thushath, T; Somarathne, KGMS; Hemalal, PVA; Dharmaratne, PGR [Conference Full-text]

Ventilation is a basic part of all underground mine operations as fresh, cool air is required to remove stale, affected air from the workings. The inadequate ventilation often is the cause of lower worker efficiency leading ...

Demand estimating model to forecast the building material requirements for the construction and allied industries in Sri Lanka

Maduranga, WWDD; Nithushan, N; Jayasinghe, JKSN; Dissanayake, DMDOK [Conference Full-text]

Over the past few years, there has been a high level of interest in modelling demand estimation for the construction and allied industries in Sri Lanka. Demand estimation is a process that involves coming up with an estimate ...

Developing a casing design for the extraction of petroleum in Mannar basin, Sri Lanka

Harshapriya, IMP; Maduranga, GMS; Sandaruwan, SAL; Wickrama, MADMG [Conference-Full-text]

To develop an economical casing design program for the Mannar Basin which is safe, and risk minimized, knowledge on Pore Pressure Gradient, Fracture Pressure Gradient, Casing Performance Properties and Casing Design ...

Developing a hydrogeological model for Aruwakkalu limestone mine, Puttalam

Dayarathna, EAC; Pethum, LLDI; Sunanda, DJ; Wedisinghe, WMCC; Dassanayake, ABN; Wickrama, MADMG [Conference-Full-text]

A hydrogeological model has been developed for the Aruwakkalu limestone mine to study the behaviour of groundwater flow, associate with specific problems within the mine, in this research. Groundwater flow model ...

Developing relationships among grindability, chemical composition and particle size of raw material mix at Aruwakkalu Limestone for Cement Production

Mendis, BSM; Jayathunga, THGS; Madurapperuma, HH; Rohitha, LPS; Dharmarathne, PGR; Hemalal, PVA [Conference Full-text]

In this research study, the relationship among chemical constituents (SiO2, Al2O3, Fe2O3, CaO, MgO, Cl-, SO3, Na2O and K2O) and raw meal grindability are investigated on raw meal samples taken from the output of ball mill. ...

Development of a methodology to map railway lines and surrounding land use using UAVs

Manatunga, UI; Munasinghe, N; Premasiri, HMR [Conference Full-text]

High accurate railway maps and terrain information (Digital Elevation Models) is a major concern for future railway constructions and railway lines development.The mapping of railway line using ground based surveying ...

Browsing by Author "Dassanayake, ABN"

Browsing by Author "Dassanayake, ABN"

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