Study Shear Strength Characteristics of Gypseous Sandy Soil Using Additives
Study Shear Strength Characteristics of Gypseous Sandy Soil Using Additives

Hussein H. Karim; T. Schanz; Maha H. Nasif

Volume 31, Issue 8 , June 2013, Page 1431-1446

https://doi.org/10.30684/etj.31.8A1

Abstract
  The present study investigated the possibility of enhancing collapsible gypseous soil of Al-Qarma site (with relatively high gypsum content around 50%), which is located in Al-Anbar ...  Read More ...
Numerical Simulation of the Infinite Medium of Dry Soil in Dynamic Soil-Structure Interaction Problems
Numerical Simulation of the Infinite Medium of Dry Soil in Dynamic Soil-Structure Interaction Problems

Saad Faik Abbas Al-Wakel

Volume 31, Issue 8 , June 2013, Page 1447-1458

https://doi.org/10.30684/etj.31.8A2

Abstract
  One of the major issues in the dynamic analysis of soil-structure interaction problems is to model the far field medium. The dynamic analysis of soil-structure interaction problems ...  Read More ...
A Study on the Effects of Salt Concentration Environment on theMechanical Properties of Polyester and Composite Materials
A Study on the Effects of Salt Concentration Environment on theMechanical Properties of Polyester and Composite Materials

Raed Naeem Hwyyin; Azhar Sabah Ameed; Zainab K. Hantoosh

Volume 31, Issue 8 , June 2013, Page 1459-1473

https://doi.org/10.30684/etj.31.8A3

Abstract
  The study investigates the effects of salt concentration on some mechanical properties of thermoset polyester resin without reinforce and polyester resin reinforced with random fiber ...  Read More ...
Comparison between Using FLC and Auto-Tuning FLC in Synchronous Generator Transient Voltage Stability Enhancement
Comparison between Using FLC and Auto-Tuning FLC in Synchronous Generator Transient Voltage Stability Enhancement

Majli Nema Hawas; Abdullah Yaseen Abbas

Volume 31, Issue 8 , June 2013, Page 1474-1482

https://doi.org/10.30684/etj.31.8A4

Abstract
  This paper compares between responses of Fuzzy Logic Controller (FLC) based exciter and auto-tuning FLC based exciter. Both of the exciters are simulated separately with synchronous ...  Read More ...
Interaction of Curves Proposed for Design and Analysis of Hollow Reinforced Concrete Columns
Interaction of Curves Proposed for Design and Analysis of Hollow Reinforced Concrete Columns

Alaa K. Abdal Karim; Bassman R. Muhammad; Ali S. Rishak

Volume 31, Issue 8 , June 2013, Page 1483-1496

https://doi.org/10.30684/etj.31.8A5

Abstract
  This Study is aimed to present a simplified approach enable to construction of a new design charts for hollow section reinforced concrete columns subjected to an axial compressive load ...  Read More ...
Removal of Ni (Ii) and Cd (Ii) Ions From Aqueous Solutions by Adsorption on to Synthetic Zeolite
Removal of Ni (Ii) and Cd (Ii) Ions From Aqueous Solutions by Adsorption on to Synthetic Zeolite

Alhassan H. Ismail; Zainab Ali Abd-aljaleel; Ali S. Jaffer

Volume 31, Issue 8 , June 2013, Page 1497-1507

https://doi.org/10.30684/etj.31.8A6

Abstract
  In this study, the removal of Ni (II) and Cd (II) ions from aqueous solutions using the adsorption process onto synthetic Zeolite has been investigated as a function of initial metal ...  Read More ...
Experimental Comparative Study on the Performance of Single and Multi-Stage Dry Air Filters
Experimental Comparative Study on the Performance of Single and Multi-Stage Dry Air Filters

Abdul- Kareem R. Abed; Ahmed Q. Ahmed; Ammar F. Khudaier; Thabet C. Yassen

Volume 31, Issue 8 , June 2013, Page 1508-1520

https://doi.org/10.30684/etj.31.8A7

Abstract
  An experimental study on the effect of filter types, relative humidity and using two stage filters on the weight efficiency and pressure drop across the filter was carried out, to complete ...  Read More ...
Design and Analysis of Knee Ankle Foot Orthosis (KAFO) for Paraplegia Person
Design and Analysis of Knee Ankle Foot Orthosis (KAFO) for Paraplegia Person

Shaker S. Hassan; Khadim K. Resan; Akeel Zeki Mahdi

Volume 31, Issue 8 , June 2013, Page 1521-1533

https://doi.org/10.30684/etj.31.8A8

Abstract
  Knee ankle foot orthoses (KAFOs) are prescribed to paraplegic patients with low level spinal cord injury and with good control of the trunk muscles. Three types of KAFOs were used in ...  Read More ...
Study of Fracture Energy for Plain Concrete by the Use of the Finite Element Method
Study of Fracture Energy for Plain Concrete by the Use of the Finite Element Method

Abdulameer Q. H

Volume 31, Issue 8 , June 2013, Page 1534-1542

https://doi.org/10.30684/etj.31.8A9

Abstract
  Failure of plain concrete in tension is characterized by softening, which is accompanied by the development of regions of highly localized strains. The main objective of this research ...  Read More ...
Water Quality Index for Basrah Water Supply
Water Quality Index for Basrah Water Supply

Risala A. Mohammed

Volume 31, Issue 8 , June 2013, Page 1543-1555

https://doi.org/10.30684/etj.31.8A10

Abstract
  The water quality index (WQI) is a very effective method that allows to compare the quality of various water samples based on the indicator values of each sample. In this study, water ...  Read More ...
Kinematic analysis of human climbing up and down stairs at different inclinations
Kinematic analysis of human climbing up and down stairs at different inclinations

Zahraa M. Abdulhassan; Sadiq J. Abbas

Volume 31, Issue 8 , June 2013, Page 1556-1566

https://doi.org/10.30684/etj.31.8A11

Abstract
  The purpose of this study is to investigate the kinematics in humans during stair climbing and the influence of stair slope variation on gait cycle .The analysis of biomechanical aspect ...  Read More ...
Sequencing the Randomly 2D Drawing Entities Using DXF Format
Sequencing the Randomly 2D Drawing Entities Using DXF Format

Baraa M.H. Albaghdadi

Volume 31, Issue 8 , June 2013, Page 1567-1579

https://doi.org/10.30684/etj.31.8A12

Abstract
  The exchange of the data between the drawing programs like this one used in this research, AutoCAD, and the other application programs is very important to develop the applications ...  Read More ...
Pick-interval scallop heightestimation using three types of geometrical end mill cutters on CNC milling machine
Pick-interval scallop heightestimation using three types of geometrical end mill cutters on CNC milling machine

Ahmed A.A.Duroobi; Jamal H. Mohamed; Bahha I. Kazem; Chen Wenlaing

Volume 31, Issue 8 , June 2013, Page 1580-1600

https://doi.org/10.30684/etj.31.8A13

Abstract
  This research presents the theoretical model, simulation and experimental verification to predict the magnitude of scallop height using 3 and 5-axis milling machine, where the effect ...  Read More ...
Establishment oF 3D ModelWith Digital Non-Metric Camera in Close Range Photogrammetry
Establishment oF 3D ModelWith Digital Non-Metric Camera in Close Range Photogrammetry

Abbas Z. Khalfa; Imzahim Abdul Kareem Alwan; Aysar Jameel

Volume 31, Issue 8 , June 2013, Page 1601-1611

https://doi.org/10.30684/etj.31.8A14

Abstract
  The use of three dimensional computer graphics and visualization techniques is becoming more and more popular, because these techniques visualize more realistic object models than graphic ...  Read More ...
Production of Digital Map for the Sources of Pollution in Nassiriya Marshes by Using “GIS”
Production of Digital Map for the Sources of Pollution in Nassiriya Marshes by Using “GIS”

Ali Karem Shaesh; Abbas Jawad Kadhem

Volume 31, Issue 8 , June 2013, Page 121-135

https://doi.org/10.30684/etj.31.8A15

Abstract
  Iraqi marshes are one of the most important biodiversity in the world. They had many problems: bad environmental conditions, as well as decreasing of the amount of water that reaches ...  Read More ...