pure rockfill dams have been found specific attention in watershed management and flood control, recently. in addition to hydraulic specific features, one of the important advantages of these structures is their consistency with nature and environment. normally, floods are accompanied with high sediment loads which may enter the body of dam. when flow through dam body governed by hydraulic grad...

background: in spite of science and technology developments and their application in different industries, accidents occur in many work environments. thus, this study was conducted in order to investigate factors affecting constructional accidents. materials and methods: in this descriptive study, all workers who were injured in building construction during 2009-2010 and were registered in the ...

Recently, an increasing number of green residential buildings have been developed worldwide owing to active promotion from the authorities and increasing interest from customers. However, in the same way as traditional residential buildings, the construction of green residential buildings faces various risks. The aims of this study are to identify and assess the diverse risks in green residenti...

extension of the building advance-sale contracts on the one hand, and inadequacy of the provisions of the civil code on protection of  building advance-buyers before making its completion, on the other, consequently causing many problems for people in the community (society), has forced the legislature to pass the building advance-sale code in 2010. the parties of these contracts are called adv...

in this paper, acceptance criteria of steel building code, comprehensive and quick evaluation procedures for x-bracing, are compared to each other parametrically and numerically. for this purpose, it is assumed first that the sample building is designed to meet steel building code and then by introducing transform parameters and using stress ratio of the designed components, acceptance of the d...

green architecture, or green design, is an approach to building that minimizes harmful effects on human health and the environment. the “green” architect or designer attempts to safeguard air, water, and earth by choosing eco-friendly building materials and construction practices. so, green architecture is building and structure design philosophy that aims at minimal use of non-renewable and/or...

A method to segment a floor and an obstacle region from images, is a fundamental function for robots in real-world. This paper describes a floor detection method by integrating binocular stereo vision and whole body information, for walking direction control of a humanoid robot. We developed the humanoid robot navigation system using vision based local floor map. The developed system consists o...