Browsing ERU - 2007 by Title

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  • The effect of infill on shear behaviour of idealised joints under constant normal stiffness conditions (CNS) 
    Welideniya, HS [Conference-Extended-Abstract]
    The shear behaviour rock joints infilled with graphite, bentonite and clayey sand under eNS conditions were studied through a comprehensive laboratory testing programme to assess its influence on rock mass stability. A ...
  • The effect of scaling on frictional losses in pipes 
    Wijesekera, NTS; Ratnasooriya, AHR [Conference-Extended-Abstract]
    The ability to predict the hydraulic performance of a pipe network during its working life plays an important role in the planning and design of water supply schemes. The nominal diameter and the friction factor of pipes ...
  • Estimation of the ultimate carrying capacity of bored piles using the static load settlement curve 
    Thilakasiri, HS [Conference-Extended-Abstract]
    Testing of bored piles is carried out to investigate the load-settlement behavior of the tested pile. The pile is loaded upto about l.5 times the working load to establish the loadsettlement behavior. The termination of ...
  • An extensible computer vision application for blood cell recognition and analysis 
    De Silva, CR; Priyanka, GPM; Seneviratne, OW; Silva, RKOH; Soysa, WVD [Conference-Extended-Abstract]
    Fast and cost-effective production of blood count reports is of paramount importance in the healthcare industry especially during pandemic situations. The traditional method of manual count under the microscope yield ...
  • Face recognition using informative vector machines 
    Wimalawarne, KADNK; De Silva, CR [Conference-Extended-Abstract]
    In the recent past kernel methods have been successfully applied to face recognition. We present a novel approach in frontal face recognition with informative vector machine, a sparse Gaussian process kernel classifier. ...
  • Female contribution in minor irrigation system water management - a case study in selected seven minor irrigation systems in anuradhapura district 
    Somarathna, PDSN; Wijesekera, NTS [Conference-Extended-Abstract]
    Minor irrigation systems are the life blood of the dry zone agriculture in Sri Lanka. These systems satisfy the water needs of humans, animals as well as the environment. As agriculture is the central water user of these ...
  • The flow behavior of mineral particles through glass funnels 
    Rohitha, LPS; Dissanayaka, DMDOK; Fernando, WLW [Conference-Extended-Abstract]
    In industry the flow of mineral particles in silos playa very important role in the recovery of these particles into containers for bagging and transport. The silo design parameters and particulate properties are restricting ...
  • GIS application in foundation cost zonation 
    Welideniya, HS [Conference-Extended-Abstract]
    Complex geological features are predominant in some low lying sedimentary terrain, which is the direct result of surface processes such as weathering, transportation, sedimentation transgression, regression etc. This complex ...
  • A hybrid software paradigm - the extended agile process with lean integration 
    Perera, GIUS; Fernando, MSD [Conference-Extended-Abstract]
    The role of Information Technology and associated software applications are becoming more significant in organizations as information becomes one of the Key Success Factors for any activity. Hence Software Lifecyc1e ...
  • Hydrodynamics, sediment transport and particle anal ysis modelling of the sethusamudram ship channel project 
    Samarawickrama, SP; Gunawardena, J; Hettiarachchi, SSL [Conference-Extended-Abstract]
    The Sethusamudram Ship Channel Project (SSCP) proposes to enable continuous shipping between the western and eastern coasts of India without circumnavigating Sri Lanka. India also believes that by having this channel the ...
  • Image retrieval and indexing system for data mining 
    Fernando, PBC; Gunasekera, GSM; Gunasinghe, SR; Udawatta, L; De Silva, CR [Conference-Extended-Abstract]
    Given the limitations of human perceptions it would be impossible to classify the images manually. The IRIS (Image Retrieval and Indexing System for Data Mining) system that we have developed is a solution! to this problem. ...
  • Impact of alternative generation planning options on electri city tariffs 
    Prasad, WD; Wijayatunga, PDC [Conference-Extended-Abstract]
    Sri Lanka is predominantly a fossil fuel importing country with relatively high rainfall mainly in the central hilly region. This factor has led to the heavy dependence on hydropower to satisfy its power generation needs ...
  • Improvement of film properties of alkyd resins manufactured from seed oil of karawi la MC43 
    Prashantha, MAB; Premachandra, BAJK; Amarasinghe, ADUS [Conference-Extended-Abstract]
    Versatility of alkyd resins is due to its application in many different areas such as decorative paints, stoving paints (industrial paints), water dispersible alkyd paints and printing inks. Alkyd resins are also used to ...
  • Improving performance of apparel manufacturing through knowledge management 
    Perera, HSC; Perera, WVR [Conference-Extended-Abstract]
    Land, capital and machinery are no longer decisive in a world-wide market of products and ideas. Individuals, companies and even nations have become more and more dependent on the way they leverage their competencies and ...
  • Influence of setbacks on the performance of high-rise buildings under blast loadings 
    Jayatilake, IN; Dias, WPS; Jayasinghe, MRT; Thambiratnam, DP [Conference-Extended-Abstract]
    With the increase in terrorism worldwide, blast loading has received considerable attention. In January 1996, a 400kg bomb exploded at the entrance of the Central Bank Building in Colombo causing extensive damage. Blasts ...
  • Influence of the kalman filter for state space modelling 
    Cooray, TMJA [Conference-Extended-Abstract]
    A Kalman filter, suitable for application to a stationary or a non-stationary time series, is proposed. It works on time series with missing values. It can be also used on seasonal time series where the associated state ...
  • Intellitraffic computer vision based hightwa y traffic parameter estimation system 
    De Silva, CR; Dharmawardana, KATS; Ratnayake, ADSE; Rodrigo, SAKC; Sandeepani, LAA [Conference-Extended-Abstract]
    The Traffic Control System of a country is a main area that has the potential to affect the development of a country in a very extensive scale. The existing traffic control systems in Sri Lanka, UniRoadl and UniRoad2 are ...
  • Low cost adsorbents for cadmium removal from wastewater 
    Amarasingh, BMWPK; Adams, C [Conference-Extended-Abstract]
    Contamination of water by toxic heavy metals through the discharge of industrial wastewater is a worldwide environmental problem. Heavy metals form complexes or "ligands" with organic compounds. These modified biological ...
  • Manufacture of epsom salt from sea bitterns 
    Perera, SAS [Conference-Abstract]
    Large quant it ies of Epsom Salt (MgS04.7H20) and Kiesserite (MgS04.H20) are imported to Sri Lanka, ~IS fertilisers, for the cultivation of annual crops, such as cereals, fruits and vegetables and for the cultivation of ...
  • Manufacture of fuel ethanol from vegetable and fruit market waste 
    Perera, SAS; Perera, MAS; Ratnasinghe, RMCG; Perera, DHN; Mahawatta, DCG; Mahesh, KWC; Walliwala, SG
    In Sri Lanka, due to inappropriate packing, handling, transport, storage and poor, marketing strategies adopted by farmers, distributors and sellers, more than 40% of vegetables and fruits get spoilt and are thrown out as ...