Browsing 5th ACEPS - 2017 by Issue Date

Browsing 5th ACEPS - 2017 by Issue Date

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  • Characterization of Pore-Structural Parameters for Different Textured Soils by Using Microfocus X-Ray CT System 
    Morino, D.; Baniya, A.; Saito, T.; Hamamoto, S.; Kawamoto, K.; Muller, K.; Sakaki, T.; Moldrup, P.; Komatsu, T. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Mass transport in soil is highly controlled by pore-structural parameters. In this study, we visualized soil-pore networks for different textured soils including sand, loam, and silty clay loam by using a microfocus X-ray ...
  • Development of Multi-Hazard Early Warning System in Indonesia 
    Susand, A.; Tamamadin, M.; Wijaya, A.R.; Pratama, A.; Faisal, I.; Latifah, A.N. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    This paper discusses the results of Multi-hazard Early Warning System (MHEWS) development that combine weather prediction from Weather Research and Forecasting (WRF) and hydrometeorology hazard index from National Disaster ...
  • Building Resilient Cities through 3R Principles and Higher Resource Efficiency 
    Visvanathan, C. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    The global phenomenon of urbanization is here to stay. With more than 60% of the total population expected to reside in urban areas by 2050, it is imperative to strongly consider the environmental and economic implications ...
  • Investigations on Mechanical Behaviour of Joint Connection in Steel- Concrete Hybrid Structures 
    Maki, Takeshi; Dhoju, Erojan (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    In steel-concrete hybrid structures the adequacy of material/member connections is a key issue for the sufficient structural performance. In this paper, findings of two research work on material and member connections ...
  • Characteristics of Sediments of Batticaloa Lagoon of Sri Lanka During Rainy Season with Special Reference to Texture and Organic Matter 
    Sugirtharan, M.; Pathmarajah, S.; Mowjood, M.I.M.; Narmilan, A. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    This paper presents the results of a study on spatial variation of texture and organic matter content in bottom sediments of the Batticaloa Lagoon, Sri Lanka. Sediment samples from the Batticaloa Lagoon were collected ...
  • 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 ...
  • 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 ...
  • A Study on Tsunami Wave Penetration and Storm Surge Impact after the Construction of Sethusamudram Ship Canal 
    Piruthevi, C.; Sunthareswaran, S.; Vithana, H.P.V. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    This paper describes a study on tsunami wave penetration after the construction of the proposed Sethusamudram Ship Canal Project (SSCP). In order to fulfill this objective a hydrodynamic model set up based on linear ...
  • 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 ...
  • 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 ...
  • Study on Soil-Nail Pullout Interaction Using a Numerical Analysis 
    Jayasekara, D.W.; Priyankara, N.H. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    Soil-nailing is one of the most efficient slope stabilizing techniques used in the world today. But due to lack of proven and accepted design methods, the measured pullout force in the field is much higher than the ...
  • Investigation of Effect of ICTAD Price Fluctuation Formula Procedure to Recover the Actual Materials Cost of Contract 
    Wijesinghe, W.M.P.M.; Malkanthi, S.N. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    The cost estimation prepared during the bidding stage may not same as the cost calculated at the time of actual work done. This is because open market escalation of construction inputs. To address this problem ICTAD has ...
  • Assessment of FlyAsh Based Geopolymer Concrete Paving Blocks for Sri Lankan Roads 
    Karunarathne, D.V.; Arulolipavan, K.; Udamulla, K.M.L.A. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    The coal fired thermal power plants generate solid waste in the form of fly ash and pond ash. Disposal of these wastes is a major engineering challenge. Since large amountjof raw materials is needed in the production of ...
  • 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 ...
  • 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), ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Variation of the Start-Up Time of Pedestrians with Their Familiarity to the Signal Phase 
    Jayatilake, P.A.S.R.; Premachandra, B.M.N.M.; Wickramasinghe, W.M.V.S.K. (Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Sri Lanka., 2017-03-16)
    In allocating green time for pedestrians’ signal phase, most of the signal time calculations are paying attention only towards the time taken by pedestrians to traverse the crosswalk. But it may result in dangerous ...
  • 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 ...

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