Journals and Magazines: Recent submissions

Now showing items 301-320 of 1745

Retrofitting and rehabilitation of vernacular housing in flood prone areas in Sri Lanka

Platt, SL; Ranasinghe, G; Jayathilaka, HADGS; Jayasinghe, C; Jayasinghe, MTR; Walker, P; Maskell, D [Article-Full-text]

This paper presents findings from an investigation into applications to improve the structural resilience and safety of low-rise vernacular masonry homes when subject to extreme flooding. In 2016 and 2017 flooding brought ...
Design and development of a microfluidic droplet generator with vision sensing for lab-on-a-chip devices

Samith Hettiarachchi a, Gehan Melroy a, Amith Mudugamuwa a, Peshan Sampath a, Charith Premachandra b, Ranjith Amarasinghe a b, Van Dau [Article-Full-text]

Lab on a Chip (LOC) devices minimize, integrate, automate, and parallelize laboratory functions such as mixing, separation, and incubation on a single chip. Droplet generation is one key aspect in LOC devices which allows ...
Determining the invoicing dates for raw material order and finish product dispatch using neural networks under exchange rate volatility

Weerasinghaa, JP; Bandara, YM; Edirisingheb, PM [Article-Full-text]

The gains from international supply chains are highly affected by the exchange rate fluctuations in the foreign exchange market. Traditional forecasting methods have not been very useful, and as a result, business firms ...
Urban flood modeling application: Assess the effectiveness of building regulation in coping with urban flooding under precipitation uncertainty

Piyumi, MMM; Abenayake, C; Jayasinghe, A; Wijegunarathna, E [Article-Full-text]

This research evaluates the effectiveness of planning and building regulations in coping with urban flooding under different precipitation scenarios. Accordingly, the study simulated seven alternative scenarios considering the ...
Modelling of vertical greenery system with selected tropical plants in urban context to appraise plant thermal performance

Perera, TANT; Jayasinghe, GY; Halwatura, RU; Rupasinghe, HT [Article-Full-text]

Different growth parameters and thermal performances of selected plant species grown on vertical system modules in urban tropical climate have been investigated under the study. Further, outdoor thermal comfort simulation ...
Modeling of thermochemical conversion of waste biomass – a comprehensive review

Perera, SMHD; Wickramasinghe, C; Samarasiri, BKT; Narayana, M [Article-Full-text]

Thermochemical processes, which include pyrolysis, torrefaction, gasification, combustion, and hydrothermal conversions, are perceived to be more efficient in converting waste biomass to energy and value-added products ...
Selecting suitable procurement system for steel building construction

Perera, GPPS; Tennakoon, TMMP; Kulatunga, U; Jayasena, HS; Wijewickrama, MKCS [Article-Full-text]

Purpose – The purpose of this paper is to select a suitable procurement method for steel building construction in Sri Lanka following a systematic method which weigh, both procurement selection factors and existing procurement ...
Incorporating road safety Into rural road network pavement management

Pasindu, HR; Ranawaka, RKTK; Sandamal, RMK; Dias, TWKIM [Article-Full-text]

Rural roads play an essential part in a country’s road network providing connectivity between the rural communities and the national roads. However, most of these roads are not maintained efficiently and safety issues ...
Development of core competencies of construction managers: The effect of training and education

Nuwan, PMMC; Perera, BAKS; Dewagoda, KG [Article-Full-text]

Construction managers are the drivers of project success. To perform well, they need to possess key competencies, such as knowledge, skills, and attitudes, all of which can be improved through proper training. However, ...
Operational feasibility of a hybrid roof insulation system with bamboo and vegetation: An experimental study in tropical climatic conditions

Nandapala, K; Halwatura, R [Article-Full-text]

A significant portion of the global energy is consumed for creating thermally comfortable building interiors. Insulating the roof has been identified as an effective measure in addressing the issue. Bamboo-transversed is ...
Use of construction waste to modify soil grading for compressed stabilized earth blocks (CSEB) production

Malkanthi, SN; Wickramasinghe, WGS; Perera, AADAJ [Article-Full-text]

Earthen materials have been used in civil engineering construction worldwide with different forms, such as mud, adobe, rammed earth and bricks. Compressed stabilized earth blocks (CSEB) can be considered as a new member ...
Energy performance of fire rated LSF walls under UK climate conditions

Perera, D; Upasiri, IR; Poologanathan a, K P; Gatheeshgar, P; Sherlock, P; Hewavitharana, T; TSuntharalingam [Article-Full-text]

Light-gauge Steel Frame (LSF) systems, one of the emerging building practices can be susceptible for catastrophic failure in fire accidents and less energy efficient due to the high thermal conductance of Cold Formed (CF) ...
Energy poverty, occupant comfort, and wellbeing in internally displaced people's residences in Sri Lanka

Kumareswaran, K; Rajapaksha, I; Jayasinghe a, GY [Article-Full-text]

Internally displaced people (IDP) due to conflict and violence were estimated as 41.3 million in 55 countries as the end of the year 2019, the highest figure ever recorded. Sri Lanka has not yet prioritized the health and ...
Energy-efficiency fairness of interference multi-relay networks for multi-User communication

Ding, M; Atapattu, S; Weeraddana, C; Evans, J [Article-Full-text]

We investigate a single-antenna multi-user multi-relay interference network, where multiple source nodes simultaneously communicate with their respective destination nodes via half-duplex decode-and-forward relays. To ...
Factors influencing acceptance or rejection regarding being the host community for post-disaster resettlements in developing countries

Geekiyanage, D; Keraminiyage, K; Fernando, T; Jayawickrama, T [Article-Full-text]

Post-disaster relocations have both positive and negative impacts on host communities. Receiving the host community's willingness to host the new community is essential to ensure integration and the sustainability of the ...
Glioblastoma multiforme prognosis: MRI missing modality generation, segmentation and radiogenomic survival prediction

Islam, M; Wijethilake, N; Ren, H [Article-Full-text]

The accurate prognosis of glioblastoma multiforme (GBM) plays an essential role in planning correlated surgeries and treatments. The conventional models of survival prediction rely on radiomic features using magnetic ...
Implementation of circular economy principles during pre-construction stage: the case of Sri Lanka

Wijewansha, AS; Tennakoon, GA; Waidyasekara, KGAS; Ekanayake, BJ [Article-Full-text]

Purpose – Despite the positive impacts of the construction sector on enhancing economic growth and ensuring societal well-being, its negative impacts on the environment from unsustainable resource consumption levels, ...
Improving the capital deployment efficiency: An infrastructure investment planning process in transportation project

Abeysekara, B; Perera, P; Kumar, G; Shrestha, C; Gunaruwan, L; Kumarage, A; Sadiq, R; Hewage, K [Article-Full-text]

Transport infrastructure investments constitute 31% of the world's capital investments. However, there is a significant gap between the demand for large-scale transport infrastructure and investments in such infrastructure. ...
Evaluating carbon capturing strategies for emissions reduction in community energy systems: A life cycle thinking approach

Kotagodahetti, R; Hewage, K; Karunathilake, H; R Sadiq [Article-Full-text]

On-site carbon capturing, storage, and utilization (CCSU) has proven its’ potential to reduce CO2 emissions from large-scale fossil fuel combustion systems. However, the integration of CCSU in community-scale on-site energy ...
A Novel green approach to synthesize curcuminoid-layered double hydroxide nanohybrids: Adroit biomaterials for future antimicrobial applications

Madhusha, C; Rajapaksha, K; Munaweera, I; de Silva, M; Perera, C; Wijesinghe, G; Weerasekera, M; Attygalle, D; Sandaruwan, C [Article-Full-text]

Thermal instability, photodegradation, and poor bioavailability of natural active ingredients are major drawbacks in developing effective natural product-based antimicrobial formulations. These inherited issues could be ...

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