• A case for target value design towards effective low-cost housing project cost management and performance South-East Zone Nigeria

      Obi, Lovelin Ifeoma; Arif, Mohammed (IBEA Publications Ltd London, 2015)
      Reports over the past decade, reveal the trend of poor cost performances of many Low-cost Housing (LcH) projects. This have apparently resulted in huge monetary losses to the government as the client, declining housing supply and undermined affordability of many Low and Low-medium incomes particularly in developing countries like Nigeria. In spite of the changes with contemporary trends in Nigeria, it would appear that the techniques employed in the management of the delivery costs of the LcH projects particularly in the South-east zone are yet similar to those used over a century ago. This necessitates urgent and appropriate sustainable intervention strategies adopting cost-effective techniques. Prior studies affirms the implications of modern cost management techniques such as Target Value Design (TVD) in improving delivery cost performances on construction projects. For this reason this paper which forms an integral part of an ongoing doctoral study, aim to identify the efficacy and applicability of TVD in the context of LcH project delivery cost management. A review of relevant and extant literature identifies peculiarities on the concept of TVD and LcH projects. Findings from literature and data collected via questionnaires further identify constraints on current LcH project delivery cost management system and clearly indicates the possible applicability and integration of TVD in the system. These findings provide a platform for the next phase of the research towards developing an improved delivery cost management model for LcH projects. This is expected to engender effective government-led LcH projects delivery particularly in in South-East zone Nigeria.
    • Application of Hilbert-Huang decomposition to temperature and currents data in the Réunion island

      Kbaier Ben Ismail, Dhouha; Lazure, Pascal; Puillat, Ingrid (MTS/IEEE, 2016-09)
    • Comparative in vitro evaluation of aerosolization behaviour of heterogeneous carriers: multi stage liquid impinger versus next generation impactor

      Waseem Kaialy, Nokhodchi A (PBP World Meeting on Pharmaceutics, Biopharmaceutics and Pharmaceutical Technology, 2014)
    • Computational prediction of glass-forming ability and crystallization tendencies

      Kaialy, Waseem; Alhalaweh, A.; Alzghoul, A.; Mahlin, D.; Bergström, D. (2016)
    • Designing an app for managing stress in the construction industry

      Riva, Silvia; Chinyio, Ezekiel; Hampton, Paul (Association of Researchers in Construction Management, 2018-09-05)
      High levels of stress at work, great responsibilities, hazards and lack of balance between tasks and deadlines are common in the daily lives of many construction workers. Changing the patterns of thinking and behaviours is not an easy mission, and it requires constant support, learning and determination. E-health applications can contribute to this change through their ability to foster continuous interaction with the user. Mobile phone apps have shown promising results in the field of ‘e-health and wellbeing’. Accordingly, an App is being designed as a self-help system for stress management which will enable construction workers to 1) detect the onset of stress quite early, 2) track their stress status, 3) empower persons to cope with stressful and/or demanding situations in an adaptive way, 4) improve and streamline the operability of job tasks, and 5) optimise efficient solutions for the construction industry. The development of this innovative app, known as Streblo, is part of a wider research that is studying stress management in the construction industry. Streblo’s blueprint will match personality traits with coping strategies in real-life situations. Its inputs are being generated from a field study that has commenced, where structured interviews have been used to collect data from construction workers on their 1) personality and 2) behaviours while experiencing stress. Results of the data collection and analysis are being used to develop Streblo (an App) with IT experts. The paper reports the detail development and performance of Streblo’s prototype. Ultimately, users will be able to engage Streblo on electronic devices (mobile phones, tablets, computers) through both text and image-based communication to obtain real-time solutions and feedbacks on their stress status. Streblo will enhance and support attitude and behavioural changes in people who suffer from stress symptoms in the construction industry.
    • Effect of drug solubility and accelerated ageing on drug release from polyethylene oxide matrices

      Shojaee S, Kaialy, Waseem, Nokhodchi A, Cumming, I (PBP 9th World Meeting on Pharmaceutics, Biopharmaceutics and Pharmaceutical Technology, 2014)
      The solubility of drug had a big impact on stability of drug release from aged polyox matrices. Aged matrices containing highly soluble drug (propranolol HCl) showed a higher sensitivity of drug release against storage time compared to a poorly water-soluble drugs leading to fast drug release.
    • Engineering novel paracetamol crystals for improved tableting by direct compression for oral drug delivery

      Waseem Kaialy, Asare-Addo K, Shojaee S, Nokhodchi A (PBP proceeding, 2014)
    • Engineering paracetamol‒ibuprofen mixtures with improved tableting properties

      Kaialy, Waseem (Annual Research Conference, University of Wolverhampton, 2017-09-28)
    • Model-driven estimation of operators’ workload for usage centred design of interactive systems

      Kbaier Ben Ismail, Dhouha; Grivard, Olivier (IEEE, 2015-03)
      The measurement of the operators’ workload is an important aspect of usage-oriented design of professional systems. In domains such as avionics, air traffic management or mission systems, being able to quantify the operators’ workload under stress, and in potentially demanding physical and mental conditions, is mandatory to anticipate overload and prevent human errors. Current approaches to workload estimation rely mainly on experimentation in simulation as an approach that has proven its efficiency for the identification of bad system and/or user interface design. Even if one cannot expect to totally avoid experimenting, given the complexity of the issue of workload computation, a priori estimation of workload might be an interesting tool to pre-validate a design in order to save some time in the experimentation phase and facilitate the analysis of overload situations that appear during experimentation. Various approaches to the a priori measurement of workload have been proposed: performance-based, physiological and subjective measures. Although performance and physiological measures of workload may be more precise, subjective measures are more practical, easier and less costly to use. For these reasons, they have been applied to many complex domains. The experience, the skills and the level of training of the operator have been identified in the literature as being important human factors. Nevertheless, these parameters have not been deeply analyzed in the context of workload estimation. In this paper, we develop a predictive workload model based on the analysis of the tasks assigned to a human operator. We propose to use mental representations of tasks, human actors, human roles, knowledge and abilities. We then propose to estimate the operator’s workload with reference to his experience and training, the load over time and the task complexity. Our approach is illustrated on an airborne maritime surveillance use-case, in the context of the French Medusa project.
    • Sustainable procurement strategies for competitive advantage: an empirical study

      Suresh, Subashini; Renukappa, Suresh; Akintoye, Akintola; Egbu, Charles (ICE Publishing, 2016-01-20)
      Procurement plays a key role in sustainability as policies and practices need to extend beyond organisations’ boundaries to incorporate their whole supply chains. There is, however, a paucity of empirical research on sustainable forms of procurement initiatives currently being implemented in the UK construction sector to improve competitiveness – which is the core driver of this paper. In order to achieve this aim, a mixed research methodological approach was adopted to collect and analyse data. The findings are based primarily on quantitative data obtained from 53 completed postal questionnaires and semi-structured interviews with 17 professionals from 12 UK construction organisations. As revealed by this study, sustainable procurement is becoming increasingly important in the UK construction sector. The paper concludes that the process of integrating sustainable procurement initiatives into existing business models is often a complex issue. Therefore, there is an urgent need to explore the drivers and impediments associated with the successful integration of sustainable procurement initiatives into existing construction business models. It is also suggested that there is a need for cross-sector collaboration to capture and share best and worst practices relating to sustainable procurement strategies.
    • Xylitol: a potential alterative pharmaceutical excipient in the production of pharmaceutical tablets

      Kaialy, Waseem (Annual Research Conference, University of Wolverhampton, 2016)