Research Paper
A Numerical Analysis on Pullout Capacity of Batter Pile Groups in Sandy Soil
A Numerical Analysis on Pullout Capacity of Batter Pile Groups in Sandy Soil

Mais S. Al-Tememy; Mohammed A. Al-Neami; Mohammed F. Asswad

Volume 40, Issue 11 , November 2022, Page 1352-1357

https://doi.org/10.30684/etj.2021.131818.1062

Abstract
  Batter piles or raker piles are the piles driven in the soil at an inclination with the vertical to resist inclined forces or large lateral loads. Battered piles are widely utilized ...  Read More ...
Research Paper
Effect of Date Palm Derived Biochar on Soil’s Bulk Density, pH, and Nitrogen Content
Effect of Date Palm Derived Biochar on Soil’s Bulk Density, pH, and Nitrogen Content

Aola H. F. Tahir; Faris H. Al-Ani; AbdulHameed M. J. Al Obaidy

Volume 40, Issue 11 , November 2022, Page 1358-1364

https://doi.org/10.30684/etj.2021.132003.1082

Abstract
  The use of biochar as a soil amendment has been the focus of many studies. It is believed to improve soil characteristics and increase crop yields. Still, a diverse range of feedstocks ...  Read More ...
Research Paper
Modifying the Properties of Open-Graded Friction Course by Adding Cellulose Fiber
Modifying the Properties of Open-Graded Friction Course by Adding Cellulose Fiber

Ahmed J. Muhammed; Zaynab I. Qasim; Rasha H. Al-Rubaee

Volume 40, Issue 11 , November 2022, Page 1365-1375

https://doi.org/10.30684/etj.2022.133420.1181

Abstract
  In recent years, Open Graded Friction Course OGFC is becoming more common in some countries. It is applied to improve surface frictional resistance, minimize hydroplaning, reduce water ...  Read More ...
Review Paper
Measurement of the Lateral Earth Pressure Coefficient of Clayey Soils by Modified Oedometer Test
Measurement of the Lateral Earth Pressure Coefficient of Clayey Soils by Modified Oedometer Test

Kumail R. Alkhafaji; Mohammed Y. Fattah; Makki K. Al-Recaby

Volume 40, Issue 11 , November 2022, Page 1376-1384

https://doi.org/10.30684/etj.2022.131675.1046

Abstract
  The coefficient of lateral earth pressure at rest (K0) explains the connection between the effective vertical and lateral stresses. Geotechnical engineers have studied K0 for many years ...  Read More ...
Research Paper
Influence of Adding Plant Fly Ash on The Geotechnical Properties and Pollution of Sanitary Landfill Soil
Influence of Adding Plant Fly Ash on The Geotechnical Properties and Pollution of Sanitary Landfill Soil

Abdulrahman A. Salim; Zainab B. Mohammed; Mohamed Y. Fattah

Volume 40, Issue 11 , November 2022, Page 1385-1398

https://doi.org/10.30684/etj.2022.132687.1136

Abstract
  This paper investigates the impact of the plant fly ash (dry tree leaves) addition on the geotechnical properties of the landfill soil, where an engineering laboratory landfill simulating ...  Read More ...
Review Paper
The permeation and Separation Characteristics of Polymeric Membranes Incorporated with Nanoparticles for Dye Removal and Interaction Mechanisms between Polymer and Nanoparticles: A Mini Review
The permeation and Separation Characteristics of Polymeric Membranes Incorporated with Nanoparticles for Dye Removal and Interaction Mechanisms between Polymer and Nanoparticles: A Mini Review

Dalya D. Al-Araji; Faris H. Al-Ani; Qusay F. Alsalhy

Volume 40, Issue 11 , November 2022, Page 1399-1411

https://doi.org/10.30684/etj.2022.132572.1129

Abstract
  Dyes are an essential group of organic pollutants with a long history of harming aquatic life and humans. Prior to disposal, polluted dye wastewater must be adequately treated to prevent ...  Read More ...
Research Paper
Sustainable High-Performance Concrete Reinforced with Hybrid Steel Waste Fibers
Sustainable High-Performance Concrete Reinforced with Hybrid Steel Waste Fibers

Zainab A. Jabbar; Wassan I. Khalil

Volume 40, Issue 11 , November 2022, Page 1412-1421

https://doi.org/10.30684/etj.2021.131833.1063

Abstract
  This research aims to study the benefit of using fibers made from waste materials in concrete and evaluate the ability to use these fibers as a substitute for commercial fibers. Different ...  Read More ...
Research Paper
An Experimental and Theoretical Studies Wings Piles at Different Sandy Soil Densities
An Experimental and Theoretical Studies Wings Piles at Different Sandy Soil Densities

Taha K. Mahdi; Mohammed A. Al-Neami; Falah H. Raheel

Volume 40, Issue 11 , November 2022, Page 1422-1431

https://doi.org/10.30684/etj.2022.132336.1104

Abstract
  Increasing the cross-sectional area of the piles or adding wings to the piles are two strategies for increasing the bearing capacity of the piles to resist lateral stresses. Small and ...  Read More ...
Research Paper
Enhancement of the Rutting Resistance of Asphalt Mixtures at Different High Temperatures Using Waste Polyethylene Polymer
Enhancement of the Rutting Resistance of Asphalt Mixtures at Different High Temperatures Using Waste Polyethylene Polymer

Hasan H. Joni; Ali H. AL-Rubaie

Volume 40, Issue 11 , November 2022, Page 1432-1440

https://doi.org/10.30684/etj.2021.131179.1008

Abstract
  The temperature and stress caused by the load can be cited as two main parameters leading to breakage in asphalt pavement, especially rutting (permanent deformation). So, to reduce ...  Read More ...
Research Paper
Assessment of the Effect of Nono-clay on Recycled Asphalt Mixtures Resistance to Moisture
Assessment of the Effect of Nono-clay on Recycled Asphalt Mixtures Resistance to Moisture

Mays A. Jaafar; Hasan H. Joni; Hussein H. Karim

Volume 40, Issue 11 , November 2022, Page 1441-1447

https://doi.org/10.30684/etj.2022.133022.1164

Abstract
  Introducing nanotechnology to the pavement industry witnessed a great interest due to the proven benefits of nanotechnology in various scientific fields. However, the reduction in the ...  Read More ...
Research Paper
Effects of Curing Temperature and Chemical Admixture Type on Fresh Properties and Compressive Strength of Ultra High-performance Concrete
Effects of Curing Temperature and Chemical Admixture Type on Fresh Properties and Compressive Strength of Ultra High-performance Concrete

Khaldon K. Aswed; Maan S. Hassan; Hussein Al-Quraishi

Volume 40, Issue 11 , November 2022, Page 1448-1454

https://doi.org/10.30684/etj.2022.132300.1103

Abstract
  The types of post-setting curing and high range water reducing (HRWR) admixture used in Ultra-High-Performance Concrete (UHPC) mixtures play significant roles in determining their rheological ...  Read More ...
Research Paper
Effect of Glass Wastes on Basic Characteristics of Controlled Low-Strength Materials
Effect of Glass Wastes on Basic Characteristics of Controlled Low-Strength Materials

Saif S. Abdulmunem; Shatha S. Hasan

Volume 40, Issue 11 , November 2022, Page 1455-1464

https://doi.org/10.30684/etj.2022.132930.1155

Abstract
  The harnessing of glass waste, which is slow to decompose and has high recycling costs, is in the interest of supporting and stimulating a balanced construction pattern that is interdependent ...  Read More ...
Research Paper
Integrated Approach for Land Surface Temperature Assessment in Different Topography of Iraq
Integrated Approach for Land Surface Temperature Assessment in Different Topography of Iraq

Zainab K. Jabal; Thair S. Khayyun; Imzahim A. Alwan

Volume 40, Issue 11 , November 2022, Page 1465-1486

https://doi.org/10.30684/etj.2022.134581.1241

Abstract
  Land Surface Temperature (LST) is a critical parameter for water resources and hydrology investigation. Weather ground stations provide a continuous dataset on the LST. However, some ...  Read More ...
Research Paper
Eco-Sustainable Bridging of Housing Deficit – A Case Study of Nigeria
Eco-Sustainable Bridging of Housing Deficit – A Case Study of Nigeria

Olumide A. Towoju; Timothy Adeyi; Kayode Ekun; Omogbolade Adepitan

Volume 40, Issue 11 , November 2022, Page 1487-1491

https://doi.org/10.30684/etj.2022.133758.1204

Abstract
  Keeping the average global temperature rise below the 1.5oC value over the pre-industrial era requires all hands to be on deck. The energy sector, transportation sector, and the agricultural/land ...  Read More ...
Research Paper
Accuracy Assessment of Establishing 3D Real Scale Model in Close-Range Photogrammetry with Digital Camera
Accuracy Assessment of Establishing 3D Real Scale Model in Close-Range Photogrammetry with Digital Camera

Ali H. Hadi; Abbas Z. Khalaf

Volume 40, Issue 11 , November 2022, Page 1492-1509

https://doi.org/10.30684/etj.2022.132233.1097

Abstract
  Three-dimensional (3D) real scale models delivered from digital photogrammetric techniques have rapidly increased to meet the requirements of many applications in different fields of ...  Read More ...
Research Paper
Potential Impact of Global Warming on Climate and Streamflow of Adhaim River Basin, Iraq
Potential Impact of Global Warming on Climate and Streamflow of Adhaim River Basin, Iraq

Fouad H. Saeed; Mahmoud S. Al-Khafaji; Furat Al-Faraj

Volume 40, Issue 11 , November 2022, Page 1510-1521

https://doi.org/10.30684/etj.2022.133474.1188

Abstract
  Global warming induces to increase of greenhouse gases in the atmosphere and plays a crucial role in determining the future trend in climatology and hydrology of a watershed. This paper ...  Read More ...
Research Paper
The Performance of Helical Pile under Cyclic Load Using 3D-Finite Element Analysis
The Performance of Helical Pile under Cyclic Load Using 3D-Finite Element Analysis

Ahmed S. Ali; Nahla M. Salim; Husam H. Baqir

Volume 40, Issue 11 , November 2022, Page 1522-1528

https://doi.org/10.30684/etj.2022.131271.1027

Abstract
  Helical piles are a kind of foundation that can withstand compression, tension, and lateral stresses. However, this kind of pile was utilized extensively globally for almost 25 years. ...  Read More ...
Review Paper
Analyzing Drivers’ Speed Behavior on Various Roads in Baghdad City
Analyzing Drivers’ Speed Behavior on Various Roads in Baghdad City

Aaisha Jasim; Rasha H. Al-Rubaee

Volume 40, Issue 11 , November 2022, Page 1529-1536

https://doi.org/10.30684/etj.2021.131931.1073

Abstract
  This study investigates the driver behavior of a certain number of drivers using a questionnaire method. The questionnaire contains a part of drivers' demographics, including age, gender, ...  Read More ...
Research Paper
Mechanical Characteristics and Self-Monitoring Technique of Smart Cementitious Mixtures with Carbon Fiber and Graphite Powder as Hybrid Functional Additives
Mechanical Characteristics and Self-Monitoring Technique of Smart Cementitious Mixtures with Carbon Fiber and Graphite Powder as Hybrid Functional Additives

Raid D. Abdullah; Ali Al-Dahawi; Hussein H. Zghair

Volume 40, Issue 11 , November 2022, Page 1537-1547

https://doi.org/10.30684/etj.2022.134097.1220

Abstract
  In this paper, the self-sensing properties of cementitious composites under compressive loads were investigated by utilizing hybrid functional fillers, which are responsible for creating ...  Read More ...
Research Paper
Analytical Solution for the Static Bending Elastic Analysis of Thick Rectangular Plate Structures Using 3-D Plate Theory
Analytical Solution for the Static Bending Elastic Analysis of Thick Rectangular Plate Structures Using 3-D Plate Theory

Festus C. Onyeka; Chidobere D. Nwa-David; Thompsom E. Edozie

Volume 40, Issue 11 , November 2022, Page 1548-1559

https://doi.org/10.30684/etj.2022.134687.1244

Abstract
  In the current work, an analytical solution for static bending analysis of the thick rectangular plate structure was obtained using three-dimensional plate theory. First, the energy ...  Read More ...
Research Paper
Ecotourist and Picnic Area Assessment Using AHP Analytical Tools in Sulaimani– Tourism Region, Iraq
Ecotourist and Picnic Area Assessment Using AHP Analytical Tools in Sulaimani– Tourism Region, Iraq

Awa A. Ahmad; Ako R. Hama; Imzahim A. Alwan

Volume 40, Issue 11 , November 2022, Page 1560-1572

https://doi.org/10.30684/etj.2022.135165.1263

Abstract
  Renovation of the naturally existing area for ecotourist and investments that attracting site-visitors, picnickers and tourists for Iraq, Kurdistan Region, Sulaimani need to promote ...  Read More ...
Research Paper
Hydrodynamic Model-Based Evaluation of Sediment Transport Capacity for the Makhool-Samarra Reach of Tigris River
Hydrodynamic Model-Based Evaluation of Sediment Transport Capacity for the Makhool-Samarra Reach of Tigris River

Ala H. Nama; Ali S. Abbas; Jaafar S. Maatooq

Volume 40, Issue 11 , November 2022, Page 1573-1588

https://doi.org/10.30684/etj.2022.135747.1282

Abstract
  This paper implemented an HEC-RAS-based steady two-dimensional hydrodynamic model to evaluate the hydraulic characteristics and Sediment Transport Capacity (STC) of the Makhool-Samarra ...  Read More ...
Research Paper
Dynamic Response of Deepwater Pile Foundation Bridge Piers under Current-wave and Earthquake Excitation
Dynamic Response of Deepwater Pile Foundation Bridge Piers under Current-wave and Earthquake Excitation

Riyadh Alsultani; Ibtisam R. Karim; Saleh I. Khassaf

Volume 40, Issue 11 , November 2022, Page 1589-1604

https://doi.org/10.30684/etj.2022.135776.1285

Abstract
  Pile foundation bridges are structures extending in the middle of the sea, so they are subject to currents, waves, and earthquake forces. This article presents a hybrid simulation that ...  Read More ...
Review Paper
Nonlinear 3D Finite Element Model for Round Composite Columns under Various Eccentricity Loads
Nonlinear 3D Finite Element Model for Round Composite Columns under Various Eccentricity Loads

Dara A. Mawlood; Serwan K. Rafiq

Volume 40, Issue 11 , November 2022, Page 1605-1614

https://doi.org/10.30684/etj.2022.133106.1168

Abstract
  Composite columns are often used in constructing high-rise structures because they can reduce the size of a building's columns while increasing the usable area in the floor plan. This ...  Read More ...