Browsing Faculty of Engineering, Civil Engineering by Title

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  • Torre, RC [Thesis-Abstract]
    Data assimilation is a methodology which can optimise the extraction of reliable information from observations and combine it with, or assimilate it in, numerical models. The development of both the observation techniques ...
  • Ranaweera, YM [Thesis-Abstract]
    The breakthrough of Open Source Software Development (OSSD) is not only evident when looking at the gradually rising interest in OSS related research but also when observing the software business. Clearly OSS provides many ...
  • Diluxshan, A [Thesis-Abstract]
    Optics Based Low-cost Full-field In-plane Displacement Measuring Technique Displacement/strain measurement plays a significant role in understanding structural and material behaviour. In the local context, commonly used ...
  • Katugampola, PI [Thesis-Abstract]
    This study investigates the application of linear programming and mixed integer programming techniques for the optimal allocation of waste stream and facility scheduling of a regional solid waste management system, over ...
  • Thoradeniya, WBM [Thesis-Abstract]
    Irrigation water has become scarce. The availability is decreasing due to the ever increasing demand for fresh water and the competition between the different uses of it. This scarcity persuades us to introduce improved ...
  • Dilhani, JAT [Thesis-Abstract]
    The water hyacinth (Eichhornia crassipes [Mart.] Solms) due to its high growth rate and vegetative reproduction has been classified as an obnoxious freshwater weed especially in the tropics and subtropics. It has been ...
  • Wickramasinghe, NRS [Thesis-Abstract]
    Ground reservoirs of various types are often used as water storage reservoirs in major water supply schemes. Mainly there are two types of ground reservoirs viz. circular and rectangular. Circular type ground reservoirs ...
  • Lakmali, HDD [Thesis-Abstract]
    In Sri Lanka cheapest and safest mode of transportation is railways. It has higher load carrying capacities. The load applied by trains is transferred to the ground through rails supported on railway sleepers. Basically ...
  • Santhajeewa, AN [Thesis-Abstract]
    The conventional earth retaining structures built using Random Rubble Masonry (RRM) are designed as gravity retaining structures where weight of the structure is used for its stability. In Sri Lanka, RRM retaining walls ...
  • Ariyarathne, NGR [Thesis-Abstract]
    ABSTRACT Spillway is a critical component in a storage reservoir or in a diversion dam. Many failures of dams have been caused by improperly designed spillways or by spillways of insufficient capacity. There have been ...
  • Karunarathna, WWN [Thesis-Abstract]
    This work aims towards analyzing truss type steel bridges by 3-D finite element modelling using SAP2000. Details of different truss type steel bridges are discussed together with gathered information on such bridges found ...
  • Gunasena, UPP [Thesis-Abstract]
    Transmission tower lines using lattice towers and concrete foundations are the common practice in most of the countries all over the world. A significant amount of the cost of the transmission tower line is spent for the ...
  • Gunathilaka, AMLN [Thesis-Abstract]
    Errection of Telecommunication towers has become one of the key elements in any network expansion project in telecommunication industry at present days. Roof top towers play a dominant role in this context especially in ...
  • Saparamadu, DDGADS [Thesis-Abstract]
    Minimizing walking distances, waiting times and delays at critical service centers such as ticket counters, immigration, baggage claim and security checks and optimal spacing of other services or frictions such as shops, ...
  • Dikkowita, DKAA [Thesis-Abstract]
    The use of vehicle bombs to attack city centers has been a feature of campaigns by terrorist organizations around the world. A bomb explosion within or immediately nearby a building can cause catastrophic damages on the ...
  • Weeratunga, AN [Thesis-Abstract]
    Steel plate girders are generally used to span long distances and support heavy loads They consist of top and bottom flanges connected to a vertical web. The flanges are connected to the web by fillet welds. I’ late girders ...
  • Alahakoon, CDW
    Girders are used to support building floors, roofs, and bridges or as members of towers, cranes. When a girder is built with top and bottom members connected with web members it is called an open web girder. (Ref Fig 1) ...
  • Perera, KLPD [Thesis-Abstract]
    With the rapid development in industrial sector in Sri Lanka, there is a high demand for clear span buildings to cater for the factories with advance technology production lines as well as for the warehouses. Structural ...
  • Perera, KPH [Thesis-Abstract]
    Demand for a particular facility can be exceeded due to the continuous growth of consumers. Therefore the existing competition can also be increased. This will boost the forming of new facilities providers and also increase ...
  • Narangoda, NAPSK [Thesis-Abstract]
    HVAC plants in buildings are generally started earlier than the building operation start time. That is to absorb the stored thermal energy in the building and reach the set indoor thermal condition by the time which the ...