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Master of Science By Research: Recent submissions

Now showing items 61-80 of 101

Evaluation of the impact of road roughness on road user cost in highway construction work zones

Ranawaka DASSS [Thesis-Full-text]

A highway work zone is present in every part of the world due to the complete essentiality of such work. Roads are designed to a certain lifetime and once the lifetime is reached, the road needs rehabilitation. New roads ...
Bond performance of CFRP/Steel composite at elevated temperatures

Chandrathilaka ERK [Thesis-Full-text]

Carbon Fibre Reinforced Polymer (CFRP) is being used as a retrofitting material for different structures such as, concrete and steel. Glass transition temperature (Tg) of the bond between CFRP and steel influences on the ...
Evaluation of pumpability of concrete

Perera KDN [Thesis-Full-text]

Current guidelines and practices at construction sites on concrete pumping has not been based on theoretical understanding of pipe flow of fresh concrete. In fact, only the slump value is monitored at construction sites, ...
Modeling of interface bonding of bituminous pavement layers for tropical climate

Muthuhewa OM [Thesis-Full-text]

The bonding strength of bituminous layers is an element of paramount consequence, as it defines the structural performance of flexible pavement layers. Failure to establish the required strength will lead to the occurrence ...
Systems approach to improve disaster preparedness based on case studies

Randil OPC [Thesis-Full-text]

Preparedness planning for a disaster is an essential component in the process of the Disaster Risk Reduction (DRR), which is adhered by many disaster management professionals and authorities globally and locally. There, ...
Form finding of compressively self-supporting surfaces

Nanayakkara KIU [Thesis-Full-text]

Compression-only surfaces are efficient structural forms as they fully utilize material at every cross-section. Thrust Network Analysis is a versatile tool which can be used for form exploration of compression-only surfaces. ...
Phthalic acid esters in urban watercourses of Colombo and their treatment

Danushika, UAAG [Thesis-Full-text]

Urbanization of many cities with industrial, commercial, and residential areas in the world takes place at an unprecedented scale. Di-2 Ethylhexyl Phthalate (DEHP) is commonly used as a plasticizer in a number of industries ...
Fate and transport of glyphosate and degradation byproducts: implications for remediation at ckdu endemic areas in sri lanka

Gunarathna, AASU [Thesis-Full-text]

Glyphosate, which is commercially available as Roundup®, was the widely used herbicide in Sri Lanka until 2015 and is suspected to be one of the causal factors for Chronic Kidney Disease of unknown etiology (CKDu). This ...
Development of a methodology for pavement maintenance optimization and prioritization for provincial road network in Sri Lanka

Gunasoma HDS [Thesis-Full-text]

Pavement management system is a decision support system that is used by highway agencies to maintain its road networks, extending their useful life within the available budget and resource constraints. Methodology of ...
Modelling concrete durability using system dynamics

Arunothayan, R [Thesis-Full-text]

Corrosion of reinforcement is the major deterioration mechanism of the durability of reinforced concrete. Chloride ingress and carbonation are the main contributors to the corrosion. This work was aimed to model the corrosion ...
Framework for selecting pavement types for low volume provincial roads

Gamage, DE [Thesis-Full-text]

Low volume Roads are those that serve the daily social and economic needs of the locality. In developing countries, the main problem with low volume roads which are managed by local authorities is the lack of funding for ...
Predicting bending behaviour of deployable booms made of thin woven fibre composites

Karannagodage, DCDK [Thesis-Full-text]

Design of advanced space structures like solar sails and reflectors are limited by the volume and payload capacity of launch vehicles. Thus, there is a trend to utilize deployable structures made of ultra-thin fibre composite ...
Prediction of mechanical properties of creases in thin folded membranes

Mierunalan, S [Thesis-Full-text]

Thin membranes underpin many light weight deployable space systems. Folds introduced in these membrane structures for logistics and storage, alter their in-orbit behaviour while deploying. Numerical modelling is relied on ...
Organizational procedures and enterprise resource planning (ERP) procedures in construction organizations

Hewavitharana, FST [Thesis-Full-text]
Evaluation of risk of plastic shrinkage cracking in concrete

Weerasinghe, TGPL [Thesis-Full-text]

Plastic shrinkage cracking is a common phenomenon associated with concreting in hot and windy weather. Excess evaporation of bleed water causes loss of water from the concrete surface and plastic shrinkage occurs due to ...
A Study on the bearing capacity of shallow foundations on geosynthetic reinforced sand

Sanjei, C [Thesis-Full-text]

A study on the bearing capacity of shallow foundations on geosynthetic reinforced sand This thesis demonstrate a research study aimed at investigating the significance of bearing capacity improvement of shallow foundation ...
Public-private partnerships : the case study of the Colombo fort city

Thoradeniya, DL [Thesis-Full-text]

Public Private Partnerships (PPPs) are defined as “…a cooperative venture between the public and private sectors, built on the expertise of each partner that best meets clearly defined public needs through the appropriate ...
Building performance of sandwich panels made out of building debris and stabilized earth

Jayathilake, KADSB [Thesis-Full-text]

With the aim of promoting sustainable construction, several building materials with lower life cycle cost have been developed. This in turn would limit the over exploitation of natural resources used to produce conventional ...
Auto-tuning multi-tiered application for performance

Fernando, V [Thesis-Full-text]

Auto-Tuning Multi Tiered Applications for Performance With the widespread use of cluster-based environments, getting the maximum possible performance from multi-tiered web applications becomes an important task. The large ...
Estimating travel time for un-signalized two lane highways in Sri Lanka

Galappaththi, GS [Thesis-Full-text]

Travel time estimation is an important parameter in effective transport planning, quality maintenance, and traffic management. Even though several models are available worldwide for travel time estimation from simple road ...

Now showing items 61-80 of 101

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