Iris Publishers Civil Engineering Open Access Journals

Civil & Structural Engineering Erodibility Potential of a Sand Dredging Site in Rivers State, Nigeria This study aims at determining sand erodibility potential using sand properties of the wetland, comprising different soil groups or types. Mathematical formation, tables and charts were used for the evaluation. Investigated soil properties included Sand Organic Matter (SOM), granulometry of sand, soil structure and permeability. The determined erodibility factors, hence soil erodibility potentials were significantly high. Percentage of soil organic matter was significantly low. Percentage of sand was generally high (99.33 on sieve number 4) and (95.44 on sieve number 8) using the MIT/British standard classification. However, the study provided baseline information on wetland erodibility for the reduction of soil susceptibility to erosion when considering any appropriate wetland development projects. To dredge sand and other materials for use in construction industry,...

 Civil & Structural Engineering Italians’ Public Opinion on the Road Roundabouts Safety Roundabouts have been shown to provide significant safety and operational benefits, but a better understanding of public perceptions of roundabouts is critical in order to assess the contribution of the driving behavior of the users on their safety. Therefore, research on user behavior and preferences is a helpful tool in improving road safety and accident prevention. The aim of this study was to increase knowledge about user perception of risk in roundabouts. Risk perception in specific situations, factors influencing perceived risk, and attitude towards suggested safety improvements were studied as well as knowledge about traffic rules regulating the interaction between road users was studied. The instrument used is a web nationwide survey, which resulted in a total of 1728 responses throughout Italy. These results provide a macroscopic view of road user perceptions of rounda...

Civil & Structural Engineering The Current State of Nuclear Electrical Power in the United States Although nuclear energy currently provides about 20% of U.S. electric power and over half of the nation’s carbon free electricity, the ability of U.S. nuclear power plants to meet increasing demands for electricity and sustain the U.S. life style or even maintain the present one-fifth of US electrical demands is problematic and doubtful. A Union of Concerned Scientists (UCS) report finds that over one-third of the current fleet of 98 licensed nuclear power plants in the United States (65 PWRs and 33 BWRs) will or could be closed within the next decade. Read More... Full Text For More Articles in Current Trends in Civil & Structural Engineering please click on https://www.irispublishers.com/ctcse For More Open Access Journals in Iris Publishers please click on https://irispublishers.com/journals.php