Browsing ERU - 2003 by Title

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  • Application of ISO 9000 quality management standards in Sri Lanka 
    Gunawardena, ND; Ranasinghe, HSS [Conference-Extended-Abstract]
    ISO 9000 is a senes of standards. developed by the International Organization for Standardization (ISO). These standards provide the framework for establishing. documenting. and maintaining a system that ensure the quality ...
  • Bus and rail demand models for the Colombo metropolitan region 
    Widanapathiranage, SJ; Kumarage, AS [Conference-Extended-Abstract]
    Bus and railway modes are popular modes of public transportation in the Colombo Metropolitan Region (CMR). Bus services operate in all 33 Divisional Secretary Division (OSD's) or the CMK while 19 DSD's are served by railways ...
  • Compressibility characteristics of electrically treated peaty clay 
    Kulathilaka, SAS; Sagarika, DKNS [Conference-Extended-Abstract]
    Finding cost effective, and relatively quick solution to handle the thick layers of soft peaty clays is a major challenge faced by Sri Lankan Geotechnical Engineers. Number of . different methods had been tried out to ...
  • Consolidation testing of peaty clay 
    Kugan, R; Puswewala, UGA; Kulathilaka, SAS; Peiris, TA [Conference-Extended-Abstract]
    The first rational theory to explain the settlements occurring in saturated clays was the 1- D theory of consolidation proposed by Terzaghi (1925). One of the main advantages of the theoretical modelling of consolidation ...
  • Critical factors for the adoption of groupware technologies in organizations in Sri Lanka 
    Madanayake, OC; Jayawardane, AKW; Wickramarachchi, N [Conference-Extended-Abstract]
    Since the age of the industrial revolution, many technologies have surfaced, yet none could compare to the reception that computers received. It is by far the most popular technology to knock on the doors of the modern ...
  • Deformation analysis in model soil slope studies 
    Rathnasiri, RM; Peiris, TA; Puswewala, UGA [Conference-Extended-Abstract]
    In model soil slope studies as related to Geotechnical Engineering. the engineers arc interested in the failure surface and the maximum shear strength developed there upon failure. Monitoring the displacements and strains ...
  • The effect of out-of-plane loads on heavy mechanical systems - a case study of a rail car dumper system 
    Kahangamage, U; Burgess, S [Conference-Extended-Abstract]
    New design solutions for heavy mechanical systems arc generally developed based on similar historical designs. However. new solution requirements hardly ever match exactly with a historical design. Historical designs thus ...
  • Extraction of lignin from sawdust for rubber compounding 
    Gunapala, PY; Gunapala, O; Sagarika, APT [Conference-Extended-Abstract]
    The increasingly stringent requirements of rubber product consuming industries have put demand on Sri Lankan rubber processing industry to provide rubber parts with better performance such as high tensile strength, good ...
  • Gravity die casting as an alternative route for the manufacture of tyre moulds 
    Warnakulasooriya, FSK; Tiltagala, SR [Conference-Extended-Abstract]
    Quality of a tvre is highly dependent on the tyre moulds that are being used to produce tyrcs. It has been found that in most of the situations. tyres are rejected due to defects and other problems arising from the existing ...
  • The importance and usage of documented procedures in construction contracts 
    Karunaratne, CD; Gunawardena, ND; Kodikara, GW [Conference-Extended-Abstract]
    A construction contract is a unique venture carried out to meet the needs of a client and other stakeholders within the parameters of cost. schedule and technical specifications. For a contract to be successful in all ...
  • Investigation on using of high alumina ceramic roller wastes of fast firing kiln 
    Jayaratna, M; Rajasingham, S [Conference-Extended-Abstract]
    Alumina and mullite ceramics are widely used ceramic materials due to their attractive properties combined with chemical inertness and high strength. These arc "ell-established ceramic materials. which have many industrial ...
  • Kinetic coefficients for anaerobically pretreated crepe rubber effluent and optimization of activated sludge process by kinetic modeling 
    Wijeyekoon, SLJ; Hettiarachchi, IU; Senewiratne, WMG [Conference-Extended-Abstract]
    Factorv efl:1uents from raw rubber processing facilities exhibit very high biochemical oxygen demand (BOD). ammonia and suspended solids and therefore arc amenable for biological wastewater treatment. The Rubber Research ...
  • A low cost optical barcode reader using a webcam 
    Janapriya, R; Kulararne, L; Pannipitiya, K; Gamakumara, A; De Silva, C [Conference-Extended-Abstract]
    Since their introduction in early J950's. barcodes have been found to be useful in many areas of applications. Today it has become the de-facto standards for object identification and labeling in many industries. There are ...
  • A model for financial evaluation of commercial property development in Sri Lanka 
    Padmasiri, KDSA; Gunawardana, ND; Kodikara, GW [Conference-Extended-Abstract]
    lnvcstmcnt in commercial property development is an important component of investment portfolios of the government. individuals. many companies of different size. and lending institutions. Property development is a risky ...
  • Optimization of biogas production using water hyacinth (eichhornia crassipes) 
    Jayaweera, MW; Gamage, NPD; Wijekoon, SLK; Dilhanil, JAT [Conference-Extended-Abstract]
    The water hyacinth (Eichhornia crassipes) has been classified as an obnoxious freshwater weed in the tropical and subtropical regions of the world due to its rapid growth rate and asexual reproduction. In Sri Lanka widespread ...
  • Optimum design of steel portal frames 
    Perera, P; Hettiarachchi, MTP; Javanandana, ADC [Conference-Extended-Abstract]
    The pitched roof. single bay, steel portal frame is now, a conunon structural form for single storey industrial buildings in Sri Lanka. It is adopted in preference to the conventional form of roof truss-stanchion or lattice ...
  • Proceedings of the 9th Annual Symposium 2003 (Pre Text) 
    Kumarage, AS [Conference-Extended-Abstract]
  • Reinforcing activity of modified filler 
    Gunapala, O; Gunapala, PY [Conference-Extended-Abstract]
    Sri Lankan rubber industries process approximately 90,000 tons of natural rubber per year for manufacture of tire tread. footwear. flooring, pneumatic tubes, rugs. dipped product and many others. Large quantities of ...
  • Removal of nitrogen and phosphorus from wastewaters by phytoremediation using water hyacinth ieichhornia crassipiesy 
    Wijeyekoorr, SLT; Jayaweera, MW; Hirimburegama, K; Kasturiarachchi, JC; Fernando, PUD [Conference-Extended-Abstract]
    Water hyacinth (Eichhomia crassipes [Mart.] Solms.) is one of the most prominent freefloating aquatic weeds found throughout the tropical and subtropical areas of the world. In Sri Lanka the water hyacinth was first ...
  • Robust human body model acquisition from images in the presence or occlusion 
    De Silva, GC; De Silva, CR; De Silva, LC [Conference-Extended-Abstract]
    Automated detection of postures and actions of humans from image/video data is \ aluablc for many applications. Some examples are automated surveillance. effective Human- Computer Interaction and Entertainment such as ...