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Doctor of Philosophy (Ph.D.): Recent submissions

Now showing items 1-20 of 49

Development of a hybrid air purification unit for the indoors in tropics

Weerasinghe, KGNH [Thesis-Abstract]

Indoor air pollution poses a critical concern in today's world, influenced by various factors. Ensuring a safe indoor environment demands addressing the profound impact of pollution. Multiple strategies have been deployed ...
Improving reliability in predicting the degradation of building assets

Wickramasinghe, GAVK [Thesis-Full-text]

Predictive modelling of building component degradation optimises project management and maintenance costs. Typically, the visual inspection-based generic condition ratings of building components are collected over time and ...
Development and validation of a novel CFRP/steel hybrid crack repairing technique for the steel structures

Abeygunasekara S [Thesis-Full-text]

Steel structures such as steel bridges greatly contribute to the socio economic development of the world. The current traffic demand has exhausted the service life of steel bridges paving the way for failures without ...
A Dynamic, clay double wall system for indoor cooling

Padmaja RAM [Thesis-Abstract]

Truly, sustainable development promises environmental, social, economic, yet personal meaningfulness, beyond increasing financial wealth. The usage of clay in construction is proven sustainable in all three aspects since ...
Integration of double skin green wall as a sustainable design approach in tropical context

Rupasinghe HT [Thesis-Abstract]

Global warming and energy crisis are two of the biggest issues the world faces today which require immediate mitigatory actions. Building sector plays a major role in contributing to these issues due to the high energy ...
Coconut fiber reinforced polymer composite for non-load bearing panel walls

Dharmaratne P D [Thesis-Abstract]

The study's main aim was to develop a lightweight walling panel for apartment buildings by employing coconut [coir] fiber with waste polyethylene. In this study, the flexural performance of coconut fiber reinforced polymer ...
Development of wall putty for tropics using drinking water treatment plant waste alum sludge

Galkanda GAHH [Thesis-Abstract]

Water is the main source of life; therefore, a sufficient amount of safe water consumption is essential for public health. It is one of the responsibilities of a country, to ensure the access of its citizens to consume ...
Decoding the potentials of vernacular timber preservation technology for structural applications

Mendis MS [Thesis-Abstract]

ABSTRACT Along with the celebrated history in the field of construction in the world, wood has been a building material for hundreds of years. The stability of timber structures is influenced by their reliance on ...
A Reliable potable water purification system using nanomaterial-incorporated matrix for households in CKDu prevalent areas

Sudasinghe MI [Thesis-Abstract]

Chronic kidney disease of unknown aetiology (CKDu) in Sri Lanka is a national concerning health hazard as those affected face high mortality rates per year. One hypothesis on the disease pathogenesis is long-term exposure ...
Management of flood risk with spatial planning

Herath HMM [Thesis-Abstract]

Flood risk has become a significant issue particularly in urban regions of Asia. Climate change will intensify existing flood vulnerability and further strengthen it due to socio-economic inequalities. A new set of ...
Development of soil based flooring material for tropics

Galabada GH [Thesis-Abstract]

The unplanned and rapid growth of developments has led to adverse impacts on the climate and biodiversity. Among them, the building industry is one of the foremost sectors. Therefore, the proper selection of building ...
Risks of inadequacies of inputs of preconstruction activities to design phase on cost and time overruns in construction projects

Daluwatte L [Thesis-Abstract]

Cost and Time overruns are common occurrences in construction projects completed in Sri Lanka. This research study was carried out to find the possible reasons for these overruns. The objectives of the study were to review, ...
Innovative approach to produce soil - based building products

Malkanthi SN [Thesis-Abstract]

Soil as a building material has been used in different forms which include mud, adobe, rammed earth and bricks. Also, Compressed Stabilized Earth Blocks (CSEBs), a form of soil blocks with different additives, including ...
Performance evaluation frame work for service quality improvements in public bus transport

Sharic AHS [Thesis-Abstract]

The aim of this thesis is to develop service quality measurement methods for bus transport considering two main components: passenger expectation and service performance. Existing measures of passenger expectations do not ...
Development of advanced design criteria for stronger lattice towers

Gunathilaka AMLN [Thesis-Abstract]

The key lateral loads acting on a freestanding telecommunication/broadcasting tower are due to wind effects though occasionally seismic forces also can act. Though earthquake design guidelines are well covered directly or ...
Influence of indoor environment on sick building syndrome

Perera TM [Thesis-Full-text]

People spend most of their time indoors, either at home or at work. Therefore, it is essential to maintain a high level of health and safety inside all types of buildings. The phenomenon where the health conditions of the ...
The effect of firing temperature on micro-structural properties of non- expansive clays in development of effective internal curing concrete aggregate

Bandara MMHW [Thesis-Full-text]

Internal curing concrete provides number of advantages in the concrete construction industry. It provides adequate water to hydrate all the cement. Moreover, internal curing increases the durability, compressive strength ...
Optimizing passenger movements through airport terminals

Saparamadu, DDGADS [Thesis-Full-text]

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, ...
In-situ mud-concrete as a material for load-bearing walls and sustainable building practices

Arooz, FR [Thesis-Full-text]

The world is still struggling to find solutions for the increasing demand for housing with the growing population. To deal with this problem the greater importance has given in researching alternative materials and ...
Development of a sustainable energy rating system for residential buildings in Sri Lanka

Pathirana, SM [Thesis-Full-text]

Energy rating system can be considered as a key policy instrument that will assist the government to reduce energy consumption. Energy rating includes the direct bene ts such as, energy requirement and carbon dioxide ...

Now showing items 1-20 of 49

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