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Browsing International Symposium on Earth Resources Management and Environment by Faculty

Browsing International Symposium on Earth Resources Management and Environment by Faculty "Engineering"

Now showing items 1-20 of 167

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 ...
Analysing the Effect of Curing Temperature on Micro-annuli Formation in Existing Wellbore Cement Sheath for Underground Hydrogen Storage

Thirukumaran, A; Perera, S [Conference-Abstract]

Cement is used in a wellbore to isolate the formation fluids from the adjacent geologic regions. However, the interfaces between cement and casing as well as cement and formation can develop into leakage conduits in the ...
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 ...
Analysis of efficiency and impact by deck charging patterns on rock blasting at Aruwakkalu Limestone Quarry, Sri Lanka

Surangani, RKH; Shanthilal, S; Sandaruwan, DLCD; Chaminda, SP; Samarakoon, KGAU; Senarathna, TMB [Conference-Full-text]

There is a potential to enhance both the efficiency and the quantity of explosives in limestone excavation utilising deck charge patterns in the Aruwakkalu limestone quarry in Sri Lanka. To achieve this a series of ...
Analysis of ground-borne vibrations due to piling operations and risk zonation

De Seram, PSPSW; Indika, LGV; Athapattu, AMHSM; Samaradivakara, GVI; Hemalal, PVA [Conference-Full-text]

Due to paucity of land for construction and the highest valuableness of lands in urban areas, construction activities are broadly carried out neighboring to existing buildings. Pile driving is the most common foundation ...
Analysis of physical and mineralogical properties of aggregate on strength and durability of asphalt concrete

Lakshan, LPS; De Silva, SHSN; Kapilaratne, RDMCLB; Chaminda, SP; Jayawardena, CL [Conference-Full-text]

Asphalt is made by mixing aggregates, filler and binder materials together according to pre-determined ratios. Out of the total asphalt weight, 94% to 95% consists of aggregate. It is not surprising that the performance ...
Analysis of Sri Lankan petroleum fiscal system - petroleum resources agreement - 2007

Jayamal, KC; Fernando, CR; Niroshan, WKD; Wickrama, MADMG [Conference-Full-text]

Economic structure of the World Oil and Gas Industry significantly differs from other industries due to the greater risk and uncertainties associated with the industry. Petroleum fiscal regime of a county defines the set ...
Analysis of topographic effects on tea yield in Sri Lankan tea estates using geomatics

Randima, KAC; Malinga, DIGS; Kalpana, TMJ; Chaminda, SP [Conference-Abstract]

This research paper investigates the potential impact of hill shade on tea yield at the Dambatenne tea estate using unmanned aerial vehicles (UAVs). Drones were used to take high-resolution aerial photos of the location ...
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 a neural network model for forecasting ground vibrations in opencast mining

Dassanayake, SM; Dushyantha, NP; Jayawardena, CL [Conference-Full-text]

Ground vibration and air-blast over pressure are two significant undesirables, among many environmental risks, in open-pit mining . Gaining control over the ground vibrations generated by rock blasts had been difficult ...
Applicability of GPR technique for earthen dam failures

Arunapriya, GGDPI; Liyanage, AGSI; Kishanth, S; Premasiri, HMR; Ratnayake, NP; Abeysinghe, AMKB [Conference-Full-text]

A dam is a structure constructed across a river or stream to store water upstream from the obstruction. Dams are susceptible to damage for various reasons, which can lead to many catastrophic disasters. Therefore, identifying ...
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 ...
Applicability of pre-heating techniques for recovery of minerals from rocks

Dasanayake, RB; Jatheesan, N; Nissanka, NACM; Samaradivakara, GVI; Abeysinghe, AMKB; Rohitha, LPS [Conference-Full-text]

In mineral processing industry, liberating of minerals is the most important involvement because it can enhance the purity of the mineral. However, if we can initiate micro-cracks in rock pieces in advance to these ...
Applicability of tunnel muck as an alternative for fine aggregates in cement concrete

Ariyasena, HHS; Sampath, BA; Wickramasooriya, MDJP [Conference-Full-text]

One of the recent applications of Tunnel boring Machines (TBM) in Sri Lanka is Uma Oya Multipurpose Development Project (UOMDP). During rainy periods, the washed tunnel muck particles sediment in low agricultural lands ...
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 ...
Application of GPR to identify carbonate rock cavities related to ground subsidence in Matale, Sri Lanka

De Silva, MSTL; Chiyamvarnan, K; Niroshini, R; Abeysinghe, AMKB; Jayawardena, CL [Conference-Full-text]

Cavity formation within the rocks result in ground subsidence in the regions where carbonate rocks are predominantly present. Identification of ground subsidence potential areas and the probability of such incidents is a ...
Application of hydrodynamics to assess coastal morphology to the north of Kelani River, Sri Lanka

Ishankha, WCA; Kahawala, KKHB; Sandushan, JAC; Hewavidana, SM; Silva, KBA; Ratnayake, NP [Conference-Full-text]

Studies on hydrodynamics are important since the hydrodynamic processes highly contribute to sediment transportation in the coastal regions. Erosion in Uswetakeiyawa coastal region of Sri Lanka has been a significant ...
Appraisal of electrode configuration characteristics in resistivity surveying

Kankanamge, BU; Chathuranga, SMS; Ruwanika, ILD; Palamure, PK; Abeysinghe, AMKB; Samaradivakara, GVI; Jayawardena, CL [Conference-Full-text]

Non-destructive subsurface exploration methods could reveal subterranean characteristics with minimal consumption of time and resources. However, validity of such interpretations could vary depending on the appropriate ...

Now showing items 1-20 of 167

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Browsing International Symposium on Earth Resources Management and Environment by Faculty "Engineering"

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