Construct Reliability of Structural Equation Modelling (SEM) Exploratory Factor Analysis for a Distracted Driving Behavior Survey

This paper presents an exploratory factor analysis (EFA) of a road safety behavior survey instrument prior to be used for collecting a Structural Equation Modelling (SEM) data. Through a self-administered survey, the data obtained from 100 respondents were analyzed using EFA to measure the survey instrument reliability. The questionnaire consisted of 14 items with responses recorded on a 10-point Likert scale. The results indicated that Kaiser-Meyer-Olkin values obtained for the three constructs measured, Road Violations, Cognitive Errors and Action Errors were 0.767, 0.865 and 0.872 respectively. For Bartlett’s Test of Sphericity, the results were found to be statistically significant. In addition, the Cronbach’s alpha was 0.922 (road violations), 0.959 (cognitive error) and 0.958 (action errors) which strongly suggest that all three constructs were within the required range of internal consistency. The results indicate that the questionnaire is valid and reliable tool for measuring driving errors due to distracted driving behavio

Sensitivity analysis of stormpav composite pavement

This study investigates the design and performance of modified composite pavement called StormPav. In this study, the sensitivity analysis is carried out by using available freeware to prove whether the StormPav composite pavement is able to provide long-life pavement and better levels of performance, both structural and functionally, than the traditional pavements. For this case, the sensitivity analysis is included data for fatigue behavior, rutting in the HMA (Hot Mix Asphalt) layer, and temperature gradient reduction of PCC slab with an HMA overlay. The StormPav composite pavement is actually an innovation IBS green pavement with structural, environmental and economic advantages. Inspired from Legos concept, the StormPav is made out of modular panels or "roadblocks" that are like enormous lego pieces that assemble and interlocking together forming a uniform settlement and at the same time acting as the monolithic character. The idea of StormPav is actually to minimize the usage of material in the composite pavement but provide the same strength and benefits as composite pavement

Sensitivity analysis of stormpav composite pavement

This study investigates the design and performance of modified composite pavement called StormPav. In this study, the sensitivity analysis is carried out by using available freeware to prove whether the StormPav composite pavement is able to provide long-life pavement and better levels of performance, both structural and functionally, than the traditional pavements. For this case, the sensitivity analysis is included data for fatigue behavior, rutting in the HMA (Hot Mix Asphalt) layer, and temperature gradient reduction of PCC slab with an HMA overlay. The StormPav composite pavement is actually an innovation IBS green pavement with structural, environmental and economic advantages. Inspired from Legos concept, the StormPav is made out of modular panels or "roadblocks" that are like enormous lego pieces that assemble and interlocking together forming a uniform settlement and at the same time acting as the monolithic character. The idea of StormPav is actually to minimize the usage of material in the composite pavement but provide the same strength and benefits as composite pavement