• Studying the Impact of Personality Traits on Team Performance for Construction and Engineering
    Arlys S. , Payne1 and Christofer M. , Harper2*
    There has been an increased interest in personality traits and its impact on team performance. The construction industry can benefit from such ... + READ MORE
    There has been an increased interest in personality traits and its impact on team performance. The construction industry can benefit from such studies to predict the team performance in construction projects. Since team performance is an important factor for project success in the construction industry, there is the need to determine the mean correlation value of the Big Five Factors (BFF) of personality traits (extraversion, agreeableness, conscientiousness, neuroticism, and openness to experience) that assist with predicting construction project team performance based on the personalities of team members. The research methodology for this paper comprises a meta-analysis of existing team performance studies that focus on personality traits linked to team performance, teambuilding, team efficiency, teamwork, job performance, and collaboration for construction project teams. The findings, from the 33 studies used in the meta-analysis, show that conscientiousness has the highest correlation mean and neuroticism has the lowest correlation mean for team performance, while extraversion and agreeableness do not share a common correlation mean, making these traits heterogeneous. Conscientiousness, neuroticism, and openness to experience share a common correlation mean, making these traits homogeneous. Overall, the results of the study show that personality traits do influence team performance, and that a mean correlation value can be determined from published studies. However, it also confirms that further research is needed on this topic as it relates to the construction industry. - COLLAPSE
    December 2020
  • Necessity to Modify Fick Law considering Liquid Water Front inside Cover Concrete
    Shafiqul, Islam1* and Toshiharu, kishi2
    Most common method for durability analysis of RC structure against chloride attack is the Fick law of diffusion where diffusion coefficient is ... + READ MORE
    Most common method for durability analysis of RC structure against chloride attack is the Fick law of diffusion where diffusion coefficient is treated as the base parameter. Inspection data of chloride profile from some real structures does not obey the rule of Fick law for the case of chloride ingress, suggesting the influence of other unknown parameter. Recent research comes up with the conclusion that water penetration front is another key issue regarding cover quality which dramatically change the service life as well as LCC of RC structure. It is found that Fick law can not predict the chloride distribution precisely for very good type of concrete where water can penetrate few millimeters to centimeter. In this aspect, laboratory experiments are done to formulate the behavior of liquid water front considering type of material used in concrete, exposure condition and mix proportion as the parameters. Furthermore, Fick law is modified using the developed model formulas and suitable analysis method is proposed. It is also shown that the Torrent permeability which can easily be obtained from inspection of existing structure can fix suitable analysis method. This work highlights the suitability of analysis methods by modifying Fick’s Law using empirical relationship found from experiments, and is therefore, clearly distinguish the concretes based on their cover qualities. - COLLAPSE
    December 2020
  • Integrating Virtual Prototyping and Cad Technologies in Construction Project Planning: A Review
    Wofai O., Ewa1* and Onuegbu O., Ugwu2
    This paper reviewed the construction planning process and available CAD-based planning methods, in a bid to proposing integrated technological improvements, towards improved ... + READ MORE
    This paper reviewed the construction planning process and available CAD-based planning methods, in a bid to proposing integrated technological improvements, towards improved productivity of the global Architecture, Engineering and Construction (AEC) sector. Through a mixed research method involving a review of literature published in the last 40 - 50 years; including 12 Books, 52 peer-reviewed articles, 13 conference proceedings, 1 Technical Report and 2 Theses; and subject matter expert validation workshops. This research projects the planning phase of the construction project life-cycle as holding the key to creating a more effective and efficient project delivery, by the integration of computer-aided virtual reality and prototyping, in the delivery of construction projects. This review paper contributes to existing literature by bringing new insights into the practice of Construction Planning through the proposal and validation of a PRototyping and VIRtual Information System (PR-VIRIS) framework. PR-VIRIS is proposed to combine case-based reasoning techniques and virtual prototyping in the simulation of alternative construction methods, to boost productivity and aid decision-making by governments, policy makers and project managers on large capital projects. - COLLAPSE
    December 2020
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