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Conference and Symposia Proceedings: Recent submissions

  • Development of Trip Attraction Rates and Parking Standards for Supermarkets in Kandy Area 
    Suthakaran, S.; Dharmakeerthi, U.G.S.; Sathyaprasad, I.M.S. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Trip attraction rates are major inputs needed in traffic impact assessment of commercial developments. The objectives of this study are to develop models to estimate trip attraction rates for person trips and vehicle ...
  • Usage of Fly Ash, Quarry Dust and Lime for Upper Sub-Base Stabilization 
    Thilakarathne, H.W.M.B.; Sirisena, V.G.P.; Karunananda, P.A.K. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Soil stabilization refers to the process of changing soil properties to improve strength and durability. There are many techniques for soil stabilization including adding materials such as quarry dust, fly ash, slag ...
  • Identification of Construction Waste in High-Rise Building Projects in Sri Lanka & Solutions from a ‘Lean’ Perspective 
    Wijesekare, S.N.; Tantirimudalige, M.N.; Kesavan, M. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    The construction industry in Sri Lanka is a major contributor to the country’s economic growth hence the importance of eliminating all forms of waste. This study focused on identifying principal forms of construction ...
  • Upper Sub-Base Stabilization with Quarry Dust and Lime 
    Jayakody, J.A.T.K.; Sirisena, V.G.P.; Judith, H.L.D.M.A. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Soil stabilization is one of the most suitable alternatives which are widely used in pavement construction. Soil stabilization techniques are used to improve the engineering properties of soil such as strength and ...
  • Water Quality Modelling of Gin River Downstream 
    Jayasena, W.M.S.D.; Chaminda, G.G.T.; Silva, G.H.A.C.; Wijesiri, I.D. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    This study was aimed to evaluate the water quality of Gin River downstream by using QUAL2k modelling software. Calibrated and validated QUAL2k model was used to predict key water quality parameters; Dissolved Oxygen (DO), ...
  • Potential of Improving Air Quality and Thermal Comfort Via Green Boundary Walls 
    Javasundara, J.H.D.K.H.; Samarasekara, G.N.; Nandapala, K.; Chaminda, G.G.T. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    World is facing many problem due to increasing atmospheric temperature and air pollution. Excess of waste, heat release, lack of vegetation, high thermal capacity material in urban areas are several reasons for global ...
  • Comparison of Groundwater Quality in Southern Province 
    Balasooriva, B.M.J.K.; Chaminda, G.G.T.; Ellawala, K.C.; Kawakami, Tomonori (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Groundwater quality in southern province is varying considerably in between Galle, Matara and Hambantota. Hambantota district has recorded as Chronic Kidney Disease in unknown etiology (CKDu) prevailing districts. Some ...
  • Methane Emissions in Porous Media under different Atmospheric Conditions: A Bench-Scale Computational and Experimental Study 
    Deepagoda, Chamindu; Smits, Katheleen (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Fugitive atmospheric emission of methane, a potent greenhouse gas with a 25-fold global warming potential compared to CO2, from the natural gas industry has raised significant environmental and health concerns during ...
  • Evaluation of Chemical and Microbial Quality of Bottled Water Available in Sri Lankan Market 
    Ellawala, K.C.; De Rekha, E.P.R.; Bandara, W.D.L.S.; Kodithuwakku, Hasini (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Production of bottled water in Sri Lanka has been started in the late 1§80's. Many studies have proved that consumers believe that bottled water is safe and tastes better. However, some studies on bottled water quality ...
  • Biodegradation of Grease Trap Waste by Lipolytic Fungi under Local Ambient Conditions 
    Witharana, A.; Ratnayake, N.; Manatunge, J.; Nanayakkara, C.M. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Relatively higher concentrations of fat, oil and grease (FOG) are contained in hotel and restaurant wastewater which makes it difficult to be treated through cost-effective conventional biological treatment systems. The ...
  • Removal of Phosphorus from Nutrient Enriched Water by Using Combinations of Three Aquatic Macrophytes Found in Sri Lanka 
    Kodithuwakku, Hasini; Perera, W.C.S.; Sewwandi, S.H.I.; Ellawala, K.C. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Phosphorous is one of the major nutrients, which contribute for increased eutrophicationof lakes and natural waters. Aquatic plants can be used to reduce the phosphorus in water and commonly used in wastewater treatment ...
  • Optimization of NaCl Concentration in a General Purpose Medium to Inhibit the Swarming Motility of Proteus mirabilis 
    Nissanka, N.M.C.; Weerasekera, M.M.; Dilhari, K.A.A. (FAHS, 2023-11-10)
    Background: Proteus mirabilis (P. mirabilis) causes infections in humans and is often found in polymicrobial communities in clinical samples and interferes with the isolation of other bacteria due to swarming mortality. ...
  • Waste Water Purification Using Locally Available Aquatic Plants 
    Ranatunga, R.M.S.B.S.; Udamulla, K.M.L.A. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    The primary objective of this study was to evaluate the performance of two different aquatic macrophyte for treatment of municipal waste water collected from Colombo 15. A physical model of a treatment plant was constructed ...
  • Engineered Wetland System for Enhancing Aquatic Environment of Urban Canals for Transportation: Case Study on Kirulapone Canal in Colombo, Sri Lanka 
    Perera, G.L.E.P.; Dayarathne, G.C.R.; Perera, H.K.M.; Athapattu, B.C.L.; De Silva, Kasun; Perera, G.A.A.U. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Kirulapone canal is a foremost branch of Diyawanna canal system which is highly polluted due to the anthropogenic haphazard wastewater disposal. As a migratory measure for the traffic congestion in Colombo Metropolitan ...
  • Development of Permeable Reactive Barrier System Utilizing Locally Available Geo- and Bio-Waste 
    Saito, R.; Kumarasinghe, Udayagee; Paranavithana, G.N.; Saito, T. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Open dumping is the common method for final waste disposal used in many developing countries. Various kinds of heavy metals are often detected in landfill leachate and groundwater surrounded at open dumpsites in Sri ...
  • Operation Cycle Optimization of an Aerobic Sequencing Batch Reactor for Dairy Wastewater Treatment 
    Abevsiriwardana, A.A.l.S.; Ranasinghe, R.A.J.C.; Jinadasa, K.B.S.N. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    This study was primarily focused on developing an operation cycle for aerobic sequencing batch reactor (SBR) and optimizing it when dairy wastewater is the effluent in question. Throughout the study period, wastewater ...
  • Coconut Processing Wastewater Treatment Using Anaerobic Sequencing Batch Reactor 
    Deeaala, D.D.D.P.; Yatawara, S.G.S.; Jinadasa, K.B.S.N. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Coconut industry, the second largest agricultural export product in Sri Lanka, is a major contributor to the pollution of environment. But the treatment of coconut processing wastewater is a less studied area. The objective ...
  • Performance Analysis as a Management Tool for Application of Water Safety Plan: A Case Study Done at Greater Kandy Water Treatment Plant (GKWTP) 
    Bandara, H.R.L.C.; Upeka, S.A.C.; Dineshika, T.G.N.; Weerasekara, W.B.M.L.I.; Wickramasinghe, N.I.; Weragoda, S.K. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Even though the United Nations has declared that every human being is having equal right to access potable water, ensuring accessibility is becoming a challenge due to the pollution of the limited water resources. Water ...
  • Simultaneous Removal of Nitrogen, Carbon and Phosphorous from Wastewater Using a Simple Bioreactor 
    Dias, S.N.R.D.; Karunasena, R.P.D.D.; Rathnavake, R.M.L.D. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    The removals of carbon (C), nitrogen (N) and phosphorous (P) from wastewater in multi stage reactors have been widely practiced worldwide. However, simultaneous removal of C and nutrients has proven to be difficult. A ...
  • Phytoplankton Abundance and Diversity in Three Sea Bathing Sites in Western and Southern Coasts of Sri Lanka 
    Weerakoon, A.P.; Jayasiri, H.B.; Jayamanne, S.C.; Guruge, K.P.G.K.P. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Phytoplankton is a group of organisms which are capable of reflecting the conditions of water. In the present study, the phytoplankton abundance, species diversity and composition was investigated in relation to some ...

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