Number of Articles: 15
Digital Geotechnical Maps of Basrah City Using Geographical Information Systems Technique
Volume 31, 4A , April 2013, Page 599-617
Abstract
The work in this research presents the use of Geographical Information Systems (GIS) and Global Positioning Systems (GPS) which integrated with remote sensing (RS) techniques in geotechnical ... Read More ...Numerical Modeling of Pore Water Pressure Development in Mosul Dam
Volume 31, 4A , April 2013, Page 618-631
Abstract
A finite element method is useful tools to be applicable in many geotechnical engineering topics. In this paper the pore water pressure development within the clay core of MOSUL earth ... Read More ...Neural NetworkModeling of Oxidation Kinetics in Air of Steel-T21 Alloy Coated by Simultaneous Germanium-Doped Aluminizing-Silicon zing Process
Volume 31, 4A , April 2013, Page 632-645
Abstract
In this work a pack cementation of germanium-doped aluminum and silicon coatings on low alloy steel type-T21 has been applied. This gives significant improvement in the oxidation. Steel-T21 ... Read More ...A Heat Pipe Performance With Heptane as aWorking Fluid
Volume 31, 4A , April 2013, Page 646-660
Abstract
The heat pipe is a device that efficiently transfers heat from one end to another. It has been widely applied in electronic system cooling and heat spreading applications due to its ... Read More ...Improving the Compatibility between Polymer-, Pozzolanic Cement-Based Repairing Materials and Concrete Substrate
Volume 31, 4A , April 2013, Page 661-676
Abstract
In this study, the compatibility of five different cement based repair materials and substrate concrete was investigated in three stages. First stage includes studying the individual ... Read More ...Performance of Direct Sequence Spread Spectrum System (DSSSS) in Presence of Single and Multi Tone Jamming
Volume 31, 4A , April 2013, Page 677-691
Abstract
There are various impairments or problems on direct sequence spread spectrum communication channel especially jamming problems, in order to focus on this problem a direct sequence spread ... Read More ...Accuracy Assessment of Lidar Data Using Geomatic Approaches
Volume 31, 4A , April 2013, Page 692-702
Abstract
The fast development in Remote Sensing technology with various sources of data especially LiDAR (Light Detection And Ranging) images promote the ability of using data , but the accuracy ... Read More ...Implementation of Finite Element Method for Prediction of Soil Liquefaction Around Undergroud Structure
Volume 31, 4A , April 2013, Page 703-714
Abstract
Liquefaction is the rapid loss of shear strength in cohesionless soils subjected to dynamic loading, that it is a state of saturated cohesionless soil when its entire shear strength ... Read More ...Catalysts Regeneration Using Laser Technique in Petroleum Industry
Volume 31, 4A , April 2013, Page 715-722
Abstract
The catalyst cost regards one of the most important obstacles in petroleum industry. Therefore, the regeneration of catalysts could be more economic process to get high performance ... Read More ...Methodology for Calculating Life Expectancy of Existing Concrete Structures
Volume 31, 4A , April 2013, Page 723-729
Abstract
A study was conducted on four reinforced concrete buildings built in the desert region in one of the Arabian Gulf states in the late seventies to mid eighties to assess the remaining ... Read More ...Evaluation of Critical Stress Intensity Factor (Kic) for Plates Using New Crack Extension Technique
Volume 31, 4A , April 2013, Page 730-740
Abstract
The technique of crack extension is applied to the computation of critical stress intensity factor in linear elastic fracture mechanics for cracked plates in tension for different crack ... Read More ...Using Propylene–Ethylene Grid to Improve the Production of Precast Concret Slabs
Volume 31, 4A , April 2013, Page 741-751
Abstract
The precast concrete roofing slab produced from the local factory were below the Iraqi standard requirement (NO 1107-1988). This study has been made to improve the production of precast ... Read More ...Statistical Distributions ofWind Speed for Baghdad, Basra and Mosul Governorates
Volume 31, 4A , April 2013, Page 752-773
Abstract
The goal of this research is to calculate two basic parameters in Gumbel distribution which is known as prevailing model for quantifying risk associated with extreme wind speed, earthquakes ... Read More ...Intersection Analysis by aaSIDRA Software for Computer Simulation to Optimize the Traffic Flow
Volume 31, 4A , April 2013, Page 774-792
Abstract
Computer simulation is important for the analysis of freeways and urban streets systems. Through simulation, Transportation specialists can study the formation and dissipation of congestion ... Read More ...Comprehensive Electrochemical Evaluation of Protective Coatings Properties by Sol-Gel Route for Stainless Steel Corrosion
Volume 31, 4A , April 2013, Page 71-86