作者:Jamal Mahmoudi , Mohammad Ali Arjomand , Masoud Rezaei ...
来源:[J].Civil Engineering Journal, 2016, Vol.2 (1)C.E.J
摘要:Because of the major disadvantages of previous methods for calculating the magnitude of the earthquakes, the neural network as a new method is examined. In this paper a kind of neural network named Multilayer Perceptron (MLP) is used to predict magnitude of earthquakes. MLP ...
作者:Ahmed Ebrahim Abu El-Maaty , Ghada Mousa Hekal , Eman Muhammed Salah El-Din
来源:[J].Civil Engineering Journal, 2016, Vol.2 (2)C.E.J
摘要:Concrete pavements have been widely used for constructing runways, taxiways, and apron areas at airports. The aviation industry has responded to increased demand for air travel by developing longer, wider, and heavier aircraft with increasing numbers of wheels to support the airc...
作者:Mohammadamir Najafgholipour , Navid Soodbakhsh
来源:[J].Civil Engineering Journal, 2016, Vol.2 (4)C.E.J
摘要:Vibration equations of discrete multi-degrees-of-freedom (MDOF) structural systems is system of differential equations. In linear systems, the differential equations are also linear. Various analytical and numerical methods are available for solving the vibration equations in str...
作者:Ali Komak Panah , Aylin Nouri
来源:[J].Civil Engineering Journal, 2016, Vol.2 (4)C.E.J
摘要:Recent code provisions for building and other structures (1994 and 1997 NEHRP provisions, 1997 UBC) have adopted new site classification. The new site classification system is based on average shear wave velocity to a depth of 30 m. when the shear wave velocity is not available; ...
作者:Ali Akbari Motlagh , Ebrahim Mirzaei
来源:[J].Civil Engineering Journal, 2016, Vol.2 (2)C.E.J
摘要:Using the fibre additives with a uniform distribution in asphaltic concrete mixture is a well-known technique for improving the mechanical properties and durability of asphalt pavement. The purpose of this study is to investigate the effect of preparing fibre and production ...
作者:Vahid Rezaali , Alireza A. Ardalan
来源:[J].Civil Engineering Journal, 2016, Vol.2 (4)C.E.J
摘要:Getting information from marine current requires that accurate and calibrated current meter is used. Current meter calibration is carried out in accordance with specific standard in calibration laboratories. To evaluate the performance and health of a current meter, one should co...
作者:Mohammad Shafaghat Lonbar , Mahmoud Nazirizad
来源:[J].Civil Engineering Journal, 2016, Vol.2 (3)C.E.J
摘要:Pavement preservation is a quintessential system of treating pavements at the optimum time to maximize their useful life. One of the preventive maintenance treatment options is using microsurfacing system as the acceptable and economical solution. This study presents a laboratory...
作者:Hamid Eskandari , Tahereh Korouzhdeh
来源:[J].Civil Engineering Journal, 2016, Vol.2 (2)C.E.J
摘要:This study presents exact solution analysis for the cost optimization of Composite Beams (CB) based on the Load and Resistance Factor Design (LRFD) specifications. Matlab code formulation is applied to analysis of sensitivity for various parameters such as cost of concrete, steel...
作者:Hasan Jalilifar , Fatholla Sajedi , Sadegh Kazemi
来源:[J].Civil Engineering Journal, 2016, Vol.2 (1)C.E.J
摘要:The flexural strength of conventional concrete material is known to be enhanced by incorporating a moderate volume-fraction of randomly distributed fibers. However, there is limited information on describing the influence of fiber volume-fraction on the compressive and flexural s...
作者:Farhad Ghazizadeh , M. Azhdary Moghaddam
来源:[J].Civil Engineering Journal, 2016, Vol.2 (1)C.E.J
摘要:Circular crested weirs consist of a circular crested of upstream and downstream walls. These weirs are widely used in hydraulic engineering as water discharge structures and can be used to control water level in channels and tanks. In the present study, using Flow3D software...


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