Volume 18 Issue 5
Published: 2025-06-25
Contents
Article
BEHAVIOR OF CONCRETE STRENGTHENED WITH CARBON FIBER REINFORCED POLYMER LAMINATE AT HIGH TEMPERATURE
AZAD A. MOHAMMED, ABDULJALIL S. AHMED,
ABSTRACTIn this paper the effect of high temperature on plain concrete strengthened with Carbon Fiber Reinforced Polymer ( CFRP ) sheets and behavior of concrete strengthened after heating were...
DOI: 10.33899/rengj.2010.32884
IMAGE STEGANOGRAPHY BASED CURVELET TRANSFORM
AHMED FREIDOON FADHIL,
ABSTRACTThis paper proposes a new image steganography scheme in order to hide a secret data in cover image uses the transform domain to increase its robustness and security. Curvelet transform is...
DOI: 10.33899/rengj.2010.32902
Influence of Limestone Powder as Partial Replacement of Cement on Concrete and the Effect of High Temperature on It
Zena Adel Mohammed, Rana Burhan Abdurrahman, Dr. Abdul Hakeem Hamed Ahmad,
AbstractIn the recent years, the uses of the binding materials of different types in addition to cement become very wide in the product of concrete as blending of portland cement with limestone, so...
DOI: 10.33899/rengj.2010.32863
ANONLINEAR ANALYSIS OF FIBROUS REINFORCED CONCRETE SLABS BY ASSUMED STRAIN AND HETEROSIS ELEMENTS
Dr. A. A. Abdul-Razzak, Nuha H. Al-Jubory,
AbstractIn the present work, the finite element method has been used to investigate the behavior of fibre reinforced concrete slabs in the pre and post-cracking levels up to the ultimate load....
DOI: 10.33899/rengj.2010.32851
Flow Characteristics and Energy Dissipation Over Single Step Broad – Crested Weirs
Dr. Hamid H. Hussein, Inam A. K. Juma, Saleh J. S. Shareef,
ABSTRACTThe main purpose of traditional broad - crested weir is to rise and control upstream (U/S) water level. In this study a new performance was added to this weir, by making it as an energy...
DOI: 10.33899/rengj.2010.34703
DESIGN OF COMPELEMENTARY RING ARRAY ANTENNA
Dr. Eanass U. T. Al-Shabkhoon,
AbstractThe objective of work is to find the scale of ring array antenna for localizing field intensity at certain focal point. The study is interested in comparison between focusing by setting a...
DOI: 10.33899/rengj.2010.32898
FINITE ELEMENT ANALYSIS OF SHEAR TRANSFER OF FIBROUS CONCRETE UNDER COMPRESSIVE STRESS
B. J.Al-Sulaifanie, J. R.Al-Feel
ABSTRACT:This study presents a numerical analysis of push-off and modified push-off fibrous concrete specimens. The investigated variables were, volume fraction of fibres, area of reinforcement,...
DOI: 10.33899/rengj.2010.32841
Improvement and Modelling of the Knelson Concentrator
Lokman Aziz AbdulKareem,
AbstractThe Knelson concentrator is a centrifugal separator which was originally and successfully designed for extracting free gold particles. Despite of its wide range of applications, the exact...
DOI: 10.33899/rengj.2010.34688
Corrosion Protection of Steel Pipe Samples Buried in Soil
Haitham M. Wadullah,
The types of corrosion protection on corrosion resistance of steel pipe samples buried in soil have been studied in this research. Samples of unprotected carbon steel are used with other protected...
DOI: 10.33899/rengj.2010.32798
Tensile Strength of Short Headed Anchors Embedded in Steel Fibrous Concrete
S. A. Al- Ta, A. A. Mohammed,
ABSTRACTThis paper deals with the tensile behaviour and strength of cast-in-place short headed anchor bolts embedded in both normal concrete (NC) and steel fibre reinforced concrete (SFRC). Four...
DOI: 10.33899/rengj.2010.32877
Enhanced Performance of FH Detection System Using Adaptive Threshold Level
Ammar Abdul-Hamed Khader,
AbstractThis work investigates the evaluation performance of detection system for Frequency Hopping (FH) signals based on Fast Fourier Transform (FFT) with proposed decision circuit based on...
DOI: 10.33899/rengj.2010.32906
Sequence Generator To Derive 8-Phase Variable Reluctance Stepper Motor
Taha A. Al-Sabbagh, Kamil G. Salih,
AbstractLiterature survey indicates that the design of sequence generator is considered for a few number of control sequences of stepper motor. In our research a new circuit is built in a simple...
DOI: 10.33899/rengj.2010.32893
Investigation of Macrocell / Microcell Channels Selection In Multitier Cellular Networks
SAMI A. MAWJOUD, FARHAD E. MAHMOOD,
AbstractA proposed method of Macrocell / Microcell channel selection in multitier cellular system using sojourn time of microcell overlapped region. To keep the handoff rate to acceptable level,...
DOI: 10.33899/rengj.2010.32887
Re-design punch and die of the laboratory pharmaceutical tablet press machine
Ramiz Saeed Matty Samarjy,
AbstractThis research represents an attempt to solve a problem introduced by Ninevah drug factory to increase the out put of one of its laboratory machine located in research sector . First of all,...
DOI: 10.33899/rengj.2010.32909
