Browsing TRF - 2020 by Faculty "Engineering"

Now showing items 1-20 of 30

Analysis on transport mode choices of school children in Colombo District, Sri Lanka

Damsara, P; De Silva, D; Sirisoma, N [Conference-Abstract]

The increase in the usage of private transport modes for school trips has become a major reason for traffic congestion in Colombo District during peak hours. Colombo District consists of 402 functioning government schools, ...
Application of intelligent transport system (ITS) in passenger boarding and alighting surveys

Vidanapathirana, C; Thilakshan, T; Sharic, S; Bandara, S [Conference-Abstract]

Bus passenger transportation essentially requires continuous planning, evaluation and upgrading to maintain its level of service. Necessary traffic data including passenger counts, bus stop locations and corresponding ...
Applying Built – Operate - Transfer (BOT) systems for Sri Lankan expressways: a case study

Perera, AP; De Silva, D [Conference-Abstract]

Sri Lankan transport network had a massive development during the last decade experiencing highway infrastructure, with the utilization of foreign concessions and local government funds of the country. Road Development ...
Assessing the walk-score of walking paths in Kandy City area for better walking experience for the tourists

Wijeweera, KP; Dias, TWKIM [Conference-Abstract]

Walking has been always considered as a sustainable method of transportation which is more suitable for short-distance trips. The concept of “short distance trip” changes with the convenient maximum walking distance of ...
Axle load distribution characterization for mechanistic pavement design

Sumanasekara, S; Mampearachchi, W

As per the World Bank records of the year 2018, Sri Lanka had the highest road density among the South Asian countries with 173.9 km of roads per 100 square kilometres of land. Sri Lankan government reserves a considerable ...
A data acquisition methodology for the development of local driving cycles

Gajanayake, S; Bandara, S; Sugathapala, T [Conference-Abstract]

Driving Cycles (DCs), the time speed profiles of a certain vehicle type for a given road segment can be considered as one of the main tools to quantify and to assess the performance in terms of fuel economy and emissions ...
Development of a 3D model of open-graded friction course to evaluate the inter-connected air void with aggregate gradation

Dedigamuwa, KV; Mampearachchi, WK [Conference-Abstract]

Open-Graded Friction Course (OGFC) is an asphalt material which has many advantages such as resistance to hydroplaning, low level of splash and spray, less headlight glare, improved visibility, a lesser number of accidents, ...
Development of fine aggregate using coal fly ash with internal curing characteristics

Tharshigan, T; Pradeep, I; Mampearachchi, WK [Conference-Abstract]

Fly ash is produced as a byproduct from Lakvijaya coal power plant, Norochcholai, Sri Lanka. The daily production of fly ash at Lakvijaya power plant is 950 – 1000 tons. Some part (around 40%) of fly ash is consumed by ...
Development of performance indicators to evaluate performance-based road maintenance contracts

Mullevithana, GL; Bandara, JMSJ [Conference-Abstract]

Effective maintenance is essential to achieving sustainable development in Road sector. There are categories of maintenance activities as per the time of attendance, the period of attendance and frequency of attendance. ...
Effect of blending temperature and blending duration on the degree of blending of reclaimed asphalt binders

Hettiarachchi, C; Hou, X; Xiang, Q; Yong, D; Xiao, F [Conference-Abstract]

Recycled asphalt mixtures are getting more popular due to many economic and environmental benefits such as a higher degree of recyclability, low material cost, less effect on the environment etc. Typically, reclaimed ...
Effect of crash barriers on driver behaviour

Rajapaksha, S; Wickramasinghe, V [Conference-Abstract]

Crash barriers are widely used in mountainous roads with having open road sections. Crash barriers are often defined as safety barriers due to the positive safety impacts achieved. The current study is having the aim of ...
Effect of crowding cost on optimized headway of an urban bus route

Devasurendra, KW; Wirasinghe, SC; Kattan, L [Conference-Abstract]

Discomfort due to crowding in transit is a significant factor driving public transport mode choice. However, few studies account for passenger cost due to crowding in transit as an integral part of planning transit operations. ...
Effectiveness of demolished concrete waste for resurfacing of low volume roads in Sri Lanka using roller compacted concrete (RCC) technology

Jayantha, WRAN; Mampearachchi, WK [Conference-Abstract]

Roller Compacted Concrete Pavement (RCCP) is a type of zero slump concrete product, which has renewed the interests of sustainable pavement designers with its potential to reduce the total cementitious material content of ...
Enabling ITS applications with affordable communication technologies

Wickramarachchi, T; Dharmaraj, N; Malinda, D; Nettasinghe, G; Senevirathne, I; Weerasuriya, S; Dias, D; Samarasinghe, T; Hemachandra, K [Conference-Abstract]

Intelligent Transport System (ITS) aims to make travel and transportation safer, faster and more efficient. ITS includes but is not limited to emergency services, road safety, transportation infrastructure, traffic management ...
Estimating the follower vehicle platoon delay due to “U” turn vehicles at centre median openings

Abeygunawardana, C; Wickramasinghe, V [Conference-Abstract]

U-turn vehicles at centre median openings create queues while waiting for acceptable gaps. This phenomenon creates delays for the follower vehicle platoon. The current study aims to estimate the delay for the follower ...
Evaluation of aircraft excursion risk at Bandaranaike International Airport

Galagedera, S; Pasindu, HR; Adikarivattage, V [Conference-Abstract]

Though Safety is one of the top priorities in the aviation industry, according to the IATA statistics (2020), all accident rate in 2019 was 1.13 per million flights. Among the aircraft accidents, the majority of aircraft ...
Evaluation of criteria for setting speed limits to Sri Lankan highways (built-up areas)

Silva, N; Kumarage, H; Guruge, M; Wickramasinghe, V [Conference-Abstract]

The speeds of vehicles are the most pivotal factor in most road traffic accidents. Enforcing a suitable speed limit is a tool for enhancing road safety. However, the currently available posted speed limits are placed ...
Evaluation of criteria for setting speed limits to sri lankan highways (non-built-up areas)

Kumarage, H; Silva, N; Guruge, ML; Wickramasinghe, V [Conference-Abstract]

Speed limits are posted on roads to enhance the safety of road users. However, no comprehensive norm is adhered in deciding the speed limits in many countries, and Sri Lanka is not an exception. In Sri Lanka, the speed ...
Experience in calibrating the VISSIM microscopic simulation model for a signalized intersection

Gunathne, D; Amarasingha, N; Wickramasighe, V; Kulathunga, A. [Conference-Abstract]

Traffic microsimulation software is a traffic management tool which is currently being used in various countries to provide traffic management solutions. For developing countries like Sri Lanka, it is possible to observe ...
Feasibility study of using calicut tile waste as an internal curing fine aggregate in construction industry

Pradeep, KI; Tharshigan, T; Mampearachchi, WK [Conference-Abstract]

Over recent decades, internal curing concept has become emerging technology and research in this area has increased tremendously. American Concrete Institute described internal curing as “a process by which the hydration ...

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Browsing TRF - 2020 by Faculty "Engineering"

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