Construction projects become complicated and fragmented so that many specialty contractors are involved. In such changed environments, a general contractor’s overhead costs are increasing comparable to direct costs. In addition to an increase of volume, activities consisting of overhead costs play an important role in coordinating different participants who include different specialty contracto...

quantifying urban landscape is fundamental for monitoring and assessing ecological and socioeconomic consequences of urbanization. expansion of roads is a significant factor driving urban landscape change. the aim of this research is quantifying impacts of roads on isfahan city landscape. to achieve this aim, land use map of isfahan was created in 6 classes: urban, green spaces, agricultural, b...

current practices in railway track analysis and design are reviewed and discussed in this paper. the mechanical behavior of railway track structure comprising of various components has not been fully understood due to the railway track structural complexity. although there have been some improvements in the accuracy of current track design methods in recent decades, there are still considerable...

Times of downturn in economy, tough competition, high costs, and large amounts of capital required for replacements have created growing need for cost cutting measures and for seeking better return on investment. This has also placed an increasing emphasis on maintenance practices to extend the service life of existing railroad bridges. This paper outlines the various factors which playa role i...

1Department of Internal Medicine, Isfahan University of Medical Sciences, Isfahan, IR Iran 2Department of Pathology, Isfahan University of Medical Sciences, Isfahan, IR Iran 3Nickan Research Institute, Isfahan, IR Iran 4Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, IR Iran *Corresponding Author: Mahmoud Rafieian-Kopaei, Medical Plants Research Center, Sh...

| 2017 | 1 Seyed-Hossein Abtahi1,2, Mohammad-Ali Abtahi1,2, Seyed Ali Akbar Mortazavi1,2, Hamidreza Jahanbani-Ardakani2,3,4, Mehdi Mazloumi5 1Department of Ophthalmology, School of Medicine, Isfahan University of Medical Sciences, 2Isfahan Eye Research Center, Isfahan University of Medical Sciences, 3Medical School, Isfahan University of Medical Sciences, 4Isfahan Medical Students Research Cent...

Urban traffic analysis is crucial for traffic forecasting systems, urban planning and, more recently, various mobile and network applications. In this paper, we analyse urban traffic with network and statistical methods. Our analysis is based on one big bus dataset containing 45 million bus arrival samples in Helsinki. We mainly address following questions: 1. How can we identify the areas that...