Investigation of the Bearing Capacity and Collapsibility of Gypseous Soil Using Geotextile Reinforcement
Investigation of the Bearing Capacity and Collapsibility of Gypseous Soil Using Geotextile Reinforcement

Qasim A. Al-Obaidi; Makki K. Mohsen; Ayad O. Asker

Volume 40, Issue 5 , May 2022, , Page 792-801

https://doi.org/10.30684/etj.2021.131076.1002

Abstract
  This study aims to increase the bearing capacity of the soil by using geosynthetics in a single, double, or triple distribution pattern. The gypseous soil samples were brought from ...  Read More ...
Identifying Risk Factors Influencing Traffic Accidents for Baghdad Expressways
Identifying Risk Factors Influencing Traffic Accidents for Baghdad Expressways

Hasan H. Joni; Mustafa H. Jasim

Volume 40, Issue 5 , May 2022, , Page 802-809

https://doi.org/10.30684/etj.2021.131184.1011

Abstract
  In this paper, the SPSS program (version 25) and Binary Logistic Regression Model were used to implement and identify the risk factors that affect traffic accidents on Baghdad highways. ...  Read More ...
The Effect of Scrap Tires Recycled Steel Fibers on Some Hardened Properties of Green SCC
The Effect of Scrap Tires Recycled Steel Fibers on Some Hardened Properties of Green SCC

Nadeem Salam; Wasan I. Khalil

Volume 40, Issue 5 , May 2022, , Page 810-818

https://doi.org/10.30684/etj.2022.132605.1133

Abstract
  The purpose of this study is to investigate some hardened properties of green self-compacting concrete (GSCC) with 15% volumetric replacements of crushed clay brick waste as coarse ...  Read More ...
Mechanical Performance of Blended Fly Ash-based Geopolymer Concrete with GGBS and Metakaolin
Mechanical Performance of Blended Fly Ash-based Geopolymer Concrete with GGBS and Metakaolin

Ali A. Ali; Tareq S. Al-Attar; Waleed A. Abbas

Volume 40, Issue 5 , May 2022, , Page 819-831

https://doi.org/10.30684/etj.2022.132647.1135

Abstract
  One of the most user-friendly alternatives to ordinary concrete is geopolymer concrete(GPC), which achieves the same result. GPC is a unique substance made by activating source materials ...  Read More ...
Dynamic Behavior of Pavement Layers on Sand Subgrade
Dynamic Behavior of Pavement Layers on Sand Subgrade

Mariam M. Hussein; Mohammed Y. Fattah; Miami M. Hilal

Volume 39, Issue 12 , December 2021, , Page 1760-1770

https://doi.org/10.30684/etj.v39i12.1770

Abstract
  Reinforcement interlayer reduces the development of cracks in the asphalt overlay by absorbing the stresses induced by heavy traffic or underlying cracking in the early-constructed ...  Read More ...
Effect of adding additional Carbon Fiber on Piezoresistive Properties of Fiber Reinforced Concrete Pavements under Impact Load
Effect of adding additional Carbon Fiber on Piezoresistive Properties of Fiber Reinforced Concrete Pavements under Impact Load

Ayad K. Mohammed; Ali Majeed Al-Dahawi; Qais S. Banyhussan S. Banyhussan

Volume 39, Issue 12 , December 2021, , Page 1771-1780

https://doi.org/10.30684/etj.v39i12.1942

Abstract
  Multifunctional Cementitious Composite (MCC) characteristics are directly related to the type and dosage of the Electrically Conductive Materials (ECMs) reinforcing the relevant concrete ...  Read More ...
Effect of Starch Powder on Behavior of Silica Fume Biopolymer Concrete
Effect of Starch Powder on Behavior of Silica Fume Biopolymer Concrete

Samir M. Atia; Waleed A. Abbas

Volume 39, Issue 12 , December 2021, , Page 1797-1805

https://doi.org/10.30684/etj.v39i12.2103

Abstract
  The great economic development and the growth of modern means of construction have led to the spread of large quantities of chemical admixtures that we must be cautious of. As the world ...  Read More ...
Preparing WorldView2 Imagery for Map Updating Projects – Aldjyl/ Aleibayiji (Iraq/ North Baghdad) as a Case Study
Preparing WorldView2 Imagery for Map Updating Projects – Aldjyl/ Aleibayiji (Iraq/ North Baghdad) as a Case Study

Oday Z. Jasim; Mohammed M. Salih; Ahmed A. Luaibi

Volume 39, Issue 12 , December 2021, , Page 1828-1836

https://doi.org/10.30684/etj.v39i12.1499

Abstract
  In the presented study, a WorldView2 WV2 satellite image has been prepared to be used in map updating projects. The performed operations can be classified into two categories, the first ...  Read More ...
The Evaluation of Rental Amount of Religious Endowments by Using Geomatic Techniques and Machine Learning Algorithms Hilla/ Iraq
The Evaluation of Rental Amount of Religious Endowments by Using Geomatic Techniques and Machine Learning Algorithms Hilla/ Iraq

Oday, Z. Jasim; Mohammed Mejbel; Ali Hashim

Volume 39, Issue 12 , December 2021, , Page 1837-1850

https://doi.org/10.30684/etj.v39i12.2111

Abstract
  The religious endowments are one of the important sources, which acquire historical, cultural, and economic importance in all countries of the world. In particular, a religious endowment ...  Read More ...
Mitigation of the Factors Affecting the Autogenous Shrinkage of Ultra-High Performance Concrete
Mitigation of the Factors Affecting the Autogenous Shrinkage of Ultra-High Performance Concrete

Adil M. Jabbar; Mohammed J. Hamood; Dhiyaa H. Mohammed

Volume 39, Issue 12 , December 2021, , Page 1860-1868

https://doi.org/10.30684/etj.v39i12.2155

Abstract
  Ultra-High Performance Concrete (UHPC) is a new generation of concrete characterized by its high strength, high durability, and high stiffness. Autogenously shrinkage represents one ...  Read More ...
A Review About Preparation and Properties of Biochar and Application Fields in the Environment
A Review About Preparation and Properties of Biochar and Application Fields in the Environment

Marwa Al Rawi; Ghayda Al Kindi; Jwad K. Al Refaae

Volume 39, Issue 12 , December 2021, , Page 1894-1904

https://doi.org/10.30684/etj.v39i12.1996

Abstract
  Biomass’ pyrolysis process is responsible for producing the biochar charcoal, this process does not incorporate the oxygen, and it is utilized as a soil enhancer for each one ...  Read More ...
Assessment of Electricity Sector Using Geomatics Techniques: (Ramadi City as a Case Study)
Assessment of Electricity Sector Using Geomatics Techniques: (Ramadi City as a Case Study)

Hisham M. Jawad Al-Sharaa

Volume 39, Issue 12 , December 2021, , Page 1905-1910

https://doi.org/10.30684/etj.v39i12.2035

Abstract
  Geomatics involves the collection, management, integration, representation, analysis, modeling and display of geographically referenced information describing both the Earth’s ...  Read More ...
A Review of Composite Steel Plate Girders with Corrugated Webs
A Review of Composite Steel Plate Girders with Corrugated Webs

Ghazwan Ghanim; Wael S. Baldawi; Ammar A. Ali

Volume 39, Issue 12 , December 2021, , Page 1927-1938

https://doi.org/10.30684/etj.v39i12.2193

Abstract
  A corrugated steel plate girder is a vastly used structural element in numerous fields of application due to its many favorable characteristics. A corrugated web girder, the bending ...  Read More ...
Effect of Recycled Aggregate on Behavior of Tied and Spiral Reinforced Fibrous Circular Short Columns
Effect of Recycled Aggregate on Behavior of Tied and Spiral Reinforced Fibrous Circular Short Columns

Eyad K. Sayhood; Mohammed A.E. Al-Hamdani; Jabbar K. Sahan

Volume 39, Issue 12 , December 2021, , Page 1945-1952

https://doi.org/10.30684/etj.v39i12.965

Abstract
  This study focuses on studying the behavior of fibrous circular short columns (tied and spirally reinforced) using recycled coarse aggregate (f'c, ft, Ec, and fr) by using recycled ...  Read More ...
Size Effect on The Shear Strength of Reinforced Concrete Beams
Size Effect on The Shear Strength of Reinforced Concrete Beams

Hind T. Jaber; Kaiss F. Sarsam; Bassman R. Muhammad

Volume 39, Issue 12 , December 2021, , Page 1960-1976

https://doi.org/10.30684/etj.v39i12.2283

Abstract
  According to research, as the depth of a beam increases, the section's shear strength can be expected to decrease. The size effect is a phrase that has been used to describe this tendency. ...  Read More ...
Evaluation of Predictive Equations for Local Pier Scour in Cohesive Soils
Evaluation of Predictive Equations for Local Pier Scour in Cohesive Soils

Zahraa F. Hassan; Ibtisam R. Karim; Abdul- Hassan K. Al-Shukur

Volume 37, 12A , December 2019, , Page 584-591

https://doi.org/10.30684/etj.37.12A.436

Abstract
  Wavelet analysis has become a powerful tool for denoising images. It represents a new way to achieve better noise reduction and increased contrast. Here,  experimentally demonstrate ...  Read More ...