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Browsing by Conference Proceedings "Proceedings of ERE 2016"

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Analysing the Relationship Between Skin and Formation Damage of an Oil Well (Time Depended)

Ruwanpathirana, RS; Nagasinghe, RV; Welagedara, WWVP; Wickrama, MADMG; Senadhira, AMADM; Ratnayake, NP; Vijitha, AVP [Conference-Full-text]

The concept of skin and formation damage play a vital role in productivity of an oil well. The objective of this study is to introduce the effect of skin into the well flowing equation in transient state. The effect of ...
Analysis of Geological Structures for Road Cut Failures: A Case Study Along Balangoda – Haputale Main Road

Senarathna, CSS; Godaliyadda, DP; Disanayaka, KTD; Premasiri, HMR; Abeysinghe, AMKB; Weerawarnakula, S [Conference-Full-text]

This study is focused on the causes for the road cut failures and suggest a methodology to design road orientation to minimize cut failures considering geology of the rock present in the area. In the past few years, ...
Critical Evaluation of Blast- Induced Structural Damage Criteria for Buildings around Metal Quarries at Thudugala, Kaluthara

Hettiarachchi, MM; Priyasanka, IDP; Herath, HMWD; Mohanaruban, G; Dharmaratne, PGR; Hemalal, PVA [Conference-Full-text]

Quarrying can generate a number of on-site and off-site environmental effects as a result of blasting, excavation, crushing, screening, stockpiling and transport activities. Blasting is necessary for recovery of ore and ...
Development of a Model to Evaluate the Settling Time of Mineral Particles

Jayasinghe, JMHD; Gunathilake, WADV; Lakshan, MGK; Rohitha, LPS [Conference-Full-text]

Settling time is one of the most important parameters in mineral processing industry, to design flow of processing and to define input data rate. It can be defined as a function of average particle settling velocity ...
Effect of Physical and Mineralogical Properties of Aggregates on Quality of Asphalt Concrete

Wijayarathne, GWLW; Thavaneeshan, S; Sameera, BHAT; Sandamali, IGV; Chaminda, SP; Jayawardena, CL; Premasiri, HMR; Samaradivakara, GVI [Conference-Full-text]

The major component of an asphalt matrix is rock aggregates usually consisting an amount greater than 95% by weight. One of the main reasons causing failure of asphalt paved roads during the expected service period of ...
Geochemical Aspects of Serpentine Bodies off Embilipitiya, Sri Lanka and their Effect on Human Health

Wickramasinghe, KO; Wijerathna, AVVP; Godawithana, CAP; Weerawarnakula, S; Premasiri, HMR; Abeysinghe, AMKB [Conference-Full-text]

Serpentine is a mineral rich with Nickel, Chromium, Cobalt and Iron. Weathering of Serpentine rock can liberate such elements into the environment. Excessive exposure to such elements can damage human health by means of ...
Identification of Most Suitable Locations for Rock Quarrying to Supply Aggregate Requirements of the Colombo Port City Development Project

Nayanthara, PGN; Rosairo, KDARP; Gunawardana, GMSM; Sanjeewa, WPG; Dissanayake, DMDOK; Vijitha, AVP [Conference-Full-text]

‘Colombo Port City Development Project’ aims at reclaiming a minimum of 269 hectares of waterfront sheltered by Colombo South Harbour Breakwater for mixed development activities. It has been estimated that a total ...
Identification of the Most Suitable Location in Kaduwela Area to Establish a Mega Quarry Site to Supply Aggregate Requirements of Mega Projects in Colombo

Banujan, B; Pathirana, GPDH; Ranaweera, DKL; Vijitha, AVP; Dissanayake, DMDOK [Conference-Full-text]

Western Megapolis Project is a massive scale development project. The scale of the project demands huge amount of coarse aggregates for its construction. Most of these projects are concentrated within or on the pheriphery ...
Integration of Direct and Indirect Techniques to Optimize Subsurface Exploration

Wijesinghe, LV; Ineshka, WSS; Sutharsini, S; Jayawardena, CL; Samaradivakara, GVI [Conference-Full-text]

Subsurface exploration is one of the major activities conducted to extract information for Geotechnical applications. Borehole construction is the most common direct exploration technique which provides exact information ...
Long Term Coastal Erosion and Shoreline Positions of Sri Lanka

Lakmali, EN; Deshapriya, WGA; Jayawardene, KGIA; Raviranga, RMP; Ratnayake, NP; Premasiri, HMR; Senanayake, IP [Conference-Full-text]

Coastal zone of Sri Lanka is key to the sustainable development of the country. However, the erosion of this coastal zone has been identified as a long term problem. Therefore, coastal sediment dynamics around the country ...
Removal of Iron Oxides in Meetiyagoda Kaolin by Chemical Leaching to Improve Whiteness

Azarudeen, MHM; Piranavan, S; Krishnakumar, S; Senanayake, IP; Rohitha, LPS; Weerawarnakula, S [Conference-Full-text]

Industrial grade Kaolin deposits in Sri Lanka are located in Boralesgamuwa and Meetiyagoda. Two distinct grades of Kaolin are produced at Meetiyagoda refinery, based on the whiteness index (WI). The presence of iron oxides ...
Slope Stability Analysis and Design of Open Pit Mine Slopes for Limestone Mine at Aruwakkalu, Puttalam, Sri Lanka

Kariyawasam, KMGS; Dauglas, DLPM; Amali, NPG; Samaradiwakara, GVI; Chaminda, SP; Hemalal, PVA; Jayawardane, CL [Conference-Full-text]

The largest open pit limestone mine in Sri Lanka which belongs to Holcim Lanka Limited is located at Aruwakkalu, Puttalam. The sub-surface of this site is comprised of an overburden of average thickness 24 m followed by ...
Soil Nail Wall Design Optimization by Geotechnical Applications and Geophysical Techniques

Hettiarachchi, DAI; Fernando, HRW; Nanthahoban, E; Sameer, STM; Abeysinghe, AMKB; Premasiri, HMR; Samaradivakara, GVI [Conference-Full-text]

Soil nailing is a soil reinforcement technique which is used to stabilize slopes by insertion of slender elements, called nails. When steep slopes are to be stabilized by soil nailing, practical problems are encountered ...
Stope Productivity Improvement through Application of Cut-and-Fill Mining Method Variant at Bogala Graphite Mines, Sri Lanka

Abeykoon, AGTBB; Lanka, KASS; Ovitigala, IR; Wijerathna, KS; Hemalal, PVA; Dharmaratne, PGR [Conference-Full-text]

Vein graphite mining is more often carried out by underground mining in Sri Lanka due to its mode of occurrence. Bogala underground mine is one of the major graphite mines in the country, where overhand cut-and-fill ...
What has the Mining Industry done for Underground Civil Construction and what is the Civil Construction Industry doing in return?

David, L [Conference-Full-text]

What has the mining industry done for underground civil construction and what is the civil construction industry doing in return? The first answer to this question is easy – the mining industry has trained and educated ...

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