Browsing Articles authored by UoM staff by Author "Dias, WPS"

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  • Comparing the systems approaches of Checkland and Blockley 
    Dias, WPS [Article-Full-text]
    It is argued that systems approaches from even different backgrounds can nevertheless end up with similar features, promoting the idea that such approaches are grounded in reality, as science is taken to be. The systems ...
  • Comparing the systems approaches of checkland and blockley 
    Dias, WPS [Article-Abstract]
    It is argued that systems approaches from even different backgrounds can nevertheless end up with similar features, promoting the idea that such approaches are grounded in reality, as science is taken to be. The systems ...
  • Comparing the systems approaches of Checkland and Blockley 
    Dias, WPS
    It is argued that systems approaches from even different backgrounds can nevertheless end up with similar features, promoting the idea that such approaches are grounded in reality, as science is taken to be. The systems ...
  • Concrete in the marine environment: a review with emphasis on tropical coastal applications 
    Dias, WPS [Article-Abstract]
    The effect of the marine environment on concrete depends on the climate and the zone of exposure. Degradation of concrete takes place due to a-self reinforcing permeation-chemical attack-cracking-permeation cycle.-Chemical ...
  • Condition assessment of a deteriorated cement works 
    Dias, WPS; Jayanandana, ADC [Article-Abstract]
    This paper describes the condition assessment of a 30 year old cement works, where some of the structures were clearly deteriorated. It was carried out for the purpose of obtaining material properties needed for evaluating ...
  • Developing an Approach to A ssess ‘Integral Sustainability’ of Alkali Pozzolan Cement 
    Kulasuriya, C; Vimonsatit, V; Dias, WPS [Article-Abstract]
    This paper presents the search of an approach to assess 'integral sustainability'of a new cement called 'Alkali Pozzolan Cement'(APC). It can also be considered as an investigation into the possibility of employing fundamental ...
  • Effects of Large Retarder Overdose on Concrete Strength Development 
    Dias, WPS; Dewapriya, MAN; Edirisooriya, EACK; Jayathunga, CG [Article-Abstract]
    Retarders are used to delay the setting time of concrete. Retarder overdosing is not an uncommon problem, but its effects are not well understood. In this study, laboratory tests were conducted to determine the effect of ...
  • Engineering and society— the power of analogy 
    Dias, WPS; Ekanayake, E [Article-Abstract]
    There is an old saying that 'everything has been done before somewhere'. It is particularly true In civil engineering, where design teams are often accused of 'reinventing the wheel' simply because they have not read the ...
  • Factors Influencing the Service Life of Buildings 
    Dias, WPS [Article-Abstract]
    The service life of a building depends mainly on its chief structural materials and the environment it is placed in. This paper collates the evidence from condition surveys conducted on some buildings with ages of up to ...
  • Field survey and numerical modelling of cracking in masonry walls due to thermal movements of an overlying slab** 
    Dilrukshi, KGS; Dias, WPS [Article-Abstract]
    Concrete slabs exposed to direct sunlight experience temperature related horizontal movements. In addition, temperatures on the top surface will be higher than those on the underside of the slab, causing an upward ...
  • Influence of drying on concrete sorptivity 
    Dias, WPS [Article-Abstract]
    The experimental programme described in this paper indicated that concrete grade and specimen preconditioning were the major factors influencing sorptivity, whereas specimen size and coating had relatively little effect. ...
  • International Journal of Disaster Resilience in the Built Environment 
    Matzenberger, J; Hargreaves, N; Raha, D; Dias, WPS
    The purpose of this paper is to outline different notions of the term resilience used in scientific disciplines and consequently explore how the concept can be applied to energy systems. The concept of resilience has ...
  • Is toughness a better metaphor than resilience? 
    Dias, WPS [Article-Abstract]
    Toughness is arguably a better metaphor than resilience to describe the characteristics of wider systems for which the term ‘resilience’ is currently employed. This argument is presented by describing the various features ...
  • Lessons learned from tsunami damage in Sri Lanka 
    Dias, WPS; Dissanayake, R; Chandratilake, R [Article-Abstract]
    Around 300 000 people were killed by the tsunami that followed the Sumatra–Andaman earthquake on Boxing Day 2004, making it one of the worst disasters in modern history. Up to 40 000 died in Sri Lanka alone, where around ...
  • Managing conflict through ethics 
    Blockley, D; Dias, WPS [Article-Abstract]
    How can human beings learn to live well together? Two of the biggest challenges threatening human well-being and flourishing are climate change and global terrorism. Has engineering systems thinking anything to offer such ...
  • Managing conflict through ethics 
    Blockley, D; Dias, WPS [Article-Abstract]
    How can human beings learn to live well together? Two of the biggest challenges threatening human well-being and flourishing are climate change and global terrorism. Has engineering systems thinking anything to offer such ...
  • Neural networks for predicting properties of concretes with admixtures 
    Dias, WPS; Pooliyadda, SP [Article-Abstract]
    Backpropagation neural networks were used to predict the strength and slump of ready mixed concrete and high strength concrete, in which chemical admixtures and or mineral additives were used. Although various data ...
  • A novel approach to assess resiliency of energy systems 
    Matzenberger, J; Hargreaves, N; Raha, D; Dias, WPS [Article-Abstract]
    The scope of this document is to outline different notions of the term resilience used in the scientific literature and explore how the concept of resilience can be applied to energy systems. Thus the major questions to ...
  • Numerical modelling of cracks in masonry walls due to thermal movements in an overlying slab 
    Dilrukshi, KGS; Dias, WPS; Rajapakse, RKND [Article-Abstract]
    This paper describes a numerical modelling exercise employed to understand the propagation of cracks in masonry walls under a time varying thermal load in an overlying roof slab. A structural thermal coupled non-linear ...
  • Ordering of information in engineering design organizations 
    Dias, WPS; Subrahmanian, E; Monarch, IA [Article-Abstract]
    We identify four orthogonal dimensions along which information in engineering design organizations can be ordered, namely (i) the principle of ordering (top down vs. bottom up), (ii) the structure ...