Civil Engineering Research Symposium: Recent submissions

  • Investigation of movements in block masonry walls 
    Nandapala, K; Peiris, A; Senavirathna, R; Nanayakkara, D [Conference-Full-text]
    One of the main concerns in block masonry is cracking, mainly due to thermal and moisture movement. There are some standards which give guidelines and recommendations to control cracking, but these cannot be directly used ...
  • Rapidly deployable structures for the tourism industry in Sri Lanka 
    Mustapha, MSN; Lewangamage, CS; Thompson, LM [Conference-Full-text]
    This research involves the concept of creating rapidly deployable ecofriendly cabanas for the tourism industry in Sri Lanka. The cabanas are to be pre-fabricated; thus could be purchased off the shelf and assembled at ...
  • Pros and cons of using structurally insulated panels in Sri Lanka 
    Jayathilake, L; Baskaran, K [Conference-Full-text]
    Structurally Insulated Panels (SIPs) are extensively used in energy efficient buildings all over the world. SIPs can be simply introduced as a building material consisting of an insulating layer in between two structural ...
  • Comparative study on strengthening methods of steel towers 
    Ganadhiepan, G; Baskaran, K [Conference-Full-text]
    Steel towers are widely used in the telecommunication and power transmission sectors. Failure of these towers causes direct and indirect losses and disruption to the services provided by those towers. As a result, industries ...
  • Study on waterproofing methods used for concrete slabs 
    Fonseka, R; Baskaran, K; Ekanayake, LL [Conference-Full-text]
    A building or a structure requires waterproofing, if the building materials are not watertight enough on their own. Therefore, waterproofing has become an essential component of a structure to protect its aesthetic ...
  • Modelling of structural failures in RC beam elements using ANSYS 
    Rokilan, M; Baskaran, K [Conference-Full-text]
    Simulation of failures using Abstract: laboratory experiments will be expensive and time consuming. To overcome these problems making use of finite element methods and advantages of computational software are key ...
  • Study of torsional buckling behavior of carbon nanotubes using molecular dynamics simulations 
    Dodangoda, MT; Dilrukshi, KGS [Conference-Full-text]
    An accurate study of mechanical behavior of CNTs is vital to understand their response under mechanical loading in their applications. Much experimental and analytical work has been done to quantify the mechanical ...
  • Investigation of the properties of limestone concrete 
    Hemadasa, MBC; Dilrukshi, KGS [Conference-Full-text]
    More than seventy percent of the volume of concrete is occupied by aggregates. AggreSates w^h undesirable qualities will have an adverse effect on durability and structural performance of concrete. Though gneiss is ...
  • Determination of suitability of the limestone aggregates as coarse aggregate for concrete 
    Perera, MUD; Dilrukshi, KGS [Conference-Full-text]
    The use of limestone in the construction industry has been increasing due to its potential as aggregate. Some of the benefits of limestone include good strength, low possibility of alkali-silica reaction and the decrease ...
  • Evaluation of seismic performance of existing reinforced concrete buildings in Sri Lanka using pushover analysis approach - a case study 
    Milinda, ALDN; Lewangamage, CS [Conference-Full-text]
    Evaluation of seismic performance of existing buildings is vital to reduce their seismic vulnerability. Performance can be evaluated by the interaction between structure's capacity and the probable seismic demands. After ...
  • Condition assessment of steel bridges in Sri Lanka 
    Chathuranga, KADK; Lewanagamage, CS [Conference-Full-text]
    The majority of steel bridges in Sri Lanka have been built more than 100 years ago. Most bridges have been subjected to changes such as deterioration due to corrosion, mechanical damage due to fatigue and repair due to ...
  • Study on elastic modulous of carbon nanotubes using molecular dynamic simulations 
    Perera, LNPT; Dilrushi, KGS [Conference-Full-text]
    CNTs are cylindrical nanostructures having a range of potential applications in nanotechnology. Therefore, an accurate study of mechanical behavior of CNTs is vital. Elastic modulus is an important parameter which is ...
  • Local construction companies and mega projects: foreign presence in the Sri Lankan construction industry 
    Jayasooriya, NK; Ekanayake, L [Conference-Full-text]
    The Sri Lankan Construction Industry has been booming for the past few years, with the emergence of several mega projects. Mega Projects are currently led by foreign consultancy and construction companies with the foreign ...
  • Traffic engineering solutions for minimizing delays and risks at roundabouts 
    Devasurendra, KW; Perera, L; Bandara, S [Conference-Full-text]
    Introduction of a roundabout is a proven method of minimizing delays and risks at an intersection simply due to the reduction in number of conflict points, implementation of give way rule, single directional circulation ...
  • Engineering solution to minimized delays and safety risk at Dehiwala flyover 
    Yahampath, B; Bandara, S; Perera, L [Conference-Full-text]
    Traffic congestion is one of the most imperative problems in almost all countries Flyovers are usually used all over the world to address the traffic congestion, especially at intersections. Advantages of grade separation ...
  • Water treatment using sludge blanket clarifiers 
    Nithini, TAS; Rathnayake, N [Conference-Full-text]
    A sludge blanket clarifer is a treatment unit combining flocation and upward flow sedimentation, which is more efficient compared to the conventional sedimentation tank. It has the abiltiy to treat the water at a faster ...
  • Hydraulic performance of rubble mound breakwaters 
    Hettiarachchi, SSL; Odara, MGN; Godagedara, TH; Herath, HHHB [Conference-Full-text]
    Breakwaters are widely used to mitigate the adverse impacts of ocean wave action. Breakwater failures that occurred during late seventies and early eighties, have highlighted the need for further investigations on ...
  • Tsunami hazards: energy dissipation and impact mitigation using bio shields 
    Jayawardena, DMSS; Hewageegana, VH; Ratnasooriya, AHR [Conference-Full-text]
    Tsunamis can cause severe destruction in coastal areas. Though the tsunami hazard itself cannot be mitigated nor eliminated, the vulnerable element can be protected by a variety of mitigation measures. Bio shields, ...
  • Effect of construction sequence on the behaviour of gravity type retaining wall 
    Sanjei, C; De Silva, LIN [Conference-Full-text]
    Gravity retaining walls derive their capacity to resist lateral movement through the dead weight of the wall. The design methodologies proposed by standards do not take into account the construction sequences that simulate ...
  • Determination of tensile strain capacity of fresh concrete 
    Weerasinghe, TGPL; Nanayakkara, SMA [Conference-Full-text]
    Measuring physical properties of fresh concrete is important to understand the behavior of the early phase of concrete. The measurement of tensile strain capacity of fresh concrete predicts the risk of cracking due to ...