Research Paper
Settlement of Shallow Foundation in Dry Sand Under an Earthquake
Settlement of Shallow Foundation in Dry Sand Under an Earthquake

Mohammed A. Al-Neami; Falah H. Rahil; Ahmed F. Hussain

Volume 39, Issue 8 , August 2021, Page 1206-1215

https://doi.org/10.30684/etj.v39i8.527

Abstract
  Seismically induced settlement of buildings with shallow foundations resting on dry sand soils has resulted in severe damage in recent earthquakes. A multi-degree of freedom shaking ...  Read More ...
Research Paper
Earthquake Response of Model Footings on Soft Clays Strengthened by Stone Columns
Earthquake Response of Model Footings on Soft Clays Strengthened by Stone Columns

Ann M. Raheem; Mohammed Y. Fattah; Makki K. M. Al-Recaby

Volume 39, Issue 8 , August 2021, Page 1216-1222

https://doi.org/10.30684/etj.v39i8.1651

Abstract
  The objective of the present study is to understand the behavior of soft soil strengthened by stone columns under dynamic seismic load. Ordinary and encased stone columns were used ...  Read More ...
Research Paper
Characteristics of Asphalt Binder and Mixture Modified With Waste Polypropylene
Characteristics of Asphalt Binder and Mixture Modified With Waste Polypropylene

Mohammed Y. Fattah; Wissam, N. Abdulkhabeer; Miami M. Hilal

Volume 39, Issue 8 , August 2021, Page 1224-1230

https://doi.org/10.30684/etj.v39i8.1716

Abstract
  Improving asphalt materials to develop the overall performance of asphalt binders and mixtures has been the focus of several investigations made over the past few decades. The application ...  Read More ...
Research Paper
Function and Application of Geogrid in Flexible Pavement under Dynamic Load
Function and Application of Geogrid in Flexible Pavement under Dynamic Load

Fatin F. Jebur; Mohammed Y. Fattah; Ahmed S. Abduljabbar

Volume 39, Issue 8 , August 2021, Page 1231-1241

https://doi.org/10.30684/etj.v39i8.1771

Abstract
  Nowadays, the increasing demand for road transport makes maintenance and repair of road infrastructures key tasks of road engineering. The current experimental work consists of laboratory ...  Read More ...
Research Paper
The Behavior of Piles Installed in Medium Dense Sand Within MSE Wall System
The Behavior of Piles Installed in Medium Dense Sand Within MSE Wall System

Salah M. Hamza; Shaymaa T. Kadhim; Saad F. A. Al-Wakel

Volume 39, Issue 8 , August 2021, Page 1249-1256

https://doi.org/10.30684/etj.v39i8.1848

Abstract
  Mechanically Stabilized Earth Walls (MSE) were widely used in several essential infrastructures, such as the abutments on a bridge. The need for a support base of a shallow or a deep ...  Read More ...
Research Paper
Carbon Fiber-Based Cementitious Composites for Traffic Detection and Weighing In Motion
Carbon Fiber-Based Cementitious Composites for Traffic Detection and Weighing In Motion

Dhurgham Ghadhban; Hasan H. Joni; Ali M. Al-Dahawi

Volume 39, Issue 8 , August 2021, Page 1250-1256

https://doi.org/10.30684/etj.v39i8.1875

Abstract
  New self-sensing cementitious composites embedded in the highway pavement for vehicle detection and weigh during motion is fabricated. Smart carbon fiber (CF) reinforced cement-based ...  Read More ...
Research Paper
Variation of Consistency Limits and Compaction Characteristics of Clayey Soil with Nanomaterials
Variation of Consistency Limits and Compaction Characteristics of Clayey Soil with Nanomaterials

Noor M. Tarsh; Mohammed A. Al-Neami; Kawther Y. H. Al-Soudany

Volume 39, Issue 8 , August 2021, Page 1257-1264

https://doi.org/10.30684/etj.v39i8.1930

Abstract
  The arrangement of the soil for every ground structure is so important and must be efficient to sustain the whole structure. The variables and properties that have influenced their ...  Read More ...
Research Paper
Distribution of Pressures on Modified Stepped Spillway by Using Toothed-Steps
Distribution of Pressures on Modified Stepped Spillway by Using Toothed-Steps

Jaafar S. Maatooq; Ameer L. Jasim

Volume 39, Issue 8 , August 2021, Page 1265-1270

https://doi.org/10.30684/etj.v39i8.1957

Abstract
  In the present study a new steeped spillway shape at which “toothed steps” have been adopted instead of traditional steps to enhance the amount and distribution of water ...  Read More ...
Research Paper
Operation of Mosul – Dokan Reservoirs and Samarra Barrage Using HEC – ResSim Model During Dry Period
Operation of Mosul – Dokan Reservoirs and Samarra Barrage Using HEC – ResSim Model During Dry Period

Thabet M. Abdulateef; Raad H. Irzooki; Ali S. Abbas

Volume 39, Issue 8 , August 2021, Page 1273-1280

https://doi.org/10.30684/etj.v39i8.1991

Abstract
  The issue of time series records containing low inflow than normal, such critical period results in shortage in reservoir storage, thereby reduction in the reservoir's releases that ...  Read More ...
Review Paper
Punching Shear Resistance of Reinforced Concrete Flat Slabs Strengthened by CFRP and GFRP: A Review of Literature
Punching Shear Resistance of Reinforced Concrete Flat Slabs Strengthened by CFRP and GFRP: A Review of Literature

Hadi N. G. Al-Maliki; Ali Al-Balhawi; Asma M. Ali

Volume 39, Issue 8 , August 2021, Page 1281-1290

https://doi.org/10.30684/etj.v39i8.2011

Abstract
  Flat reinforced concrete (RC) slabs or plates are still widely used in buildings and are most popular in single or multiple story floor construction systems. This is due to the ease ...  Read More ...
Research Paper
Determination of Suitable Areas for Establishment of Sports-City in Iraq's Center Using an Integrated Fuzzy Logic Algorithm and Geomatic Techniques
Determination of Suitable Areas for Establishment of Sports-City in Iraq's Center Using an Integrated Fuzzy Logic Algorithm and Geomatic Techniques

Haidar R. Mohammed

Volume 39, Issue 8 , August 2021, Page 1291-1300

https://doi.org/10.30684/etj.v39i8.2094

Abstract
  In recent times, many cities have clustered new sports infrastructures in concentrated areas to create a sports city. Al Hillah City as one of the biggest cities in the center of Iraq, ...  Read More ...
Research Paper
Improvement of Soft Clayey Soil by Bio-polymer
Improvement of Soft Clayey Soil by Bio-polymer

Teba A. Abd; Mohammed Y. Fattah; Mohammed F. Aswad

Volume 39, Issue 8 , August 2021, Page 1301-1306

https://doi.org/10.30684/etj.v39i8.2053

Abstract
  This examination explains the utilization of bio-polymer powder for clayey soil enhancement. The article concentrates around examining the strength attitude of the clayey soils built ...  Read More ...
Research Paper
Shear Strength of Reinforced Fibrous-self Compacted Concrete Box Girder using Recycled Concrete Aggregate
Shear Strength of Reinforced Fibrous-self Compacted Concrete Box Girder using Recycled Concrete Aggregate

Mohammed A. Hadi; Eyad K. Sayhood; Ali S. Resheq

Volume 39, Issue 8 , August 2021, Page 1307-1320

https://doi.org/10.30684/etj.v39i8.2100

Abstract
  Protection of environmental and conservation of natural resources is a fundamental issue in today’s world. In this research, the shear behavior of reinforced concrete box girders ...  Read More ...
Research Paper
Evaluating the Use of Eggshell Waste Ash in High Strength Concrete
Evaluating the Use of Eggshell Waste Ash in High Strength Concrete

Basim H. Amanah; Wasan I. Khalil

Volume 39, Issue 8 , August 2021, Page 1321-1327

https://doi.org/10.30684/etj.v39i8.2102

Abstract
  This study aims to determine the effect of incorporating eggshell waste as partial compensation from Portland cement material on high-strength concrete mixtures' performance. The properties ...  Read More ...
Research Paper
Utilization of Satellite Images-Based Indices for Assessment of Al-Hammar Marsh Restoration plan
Utilization of Satellite Images-Based Indices for Assessment of Al-Hammar Marsh Restoration plan

Bayda A. Dhaidan; Imzahim A. Alwan; Mahmoud S. Al-Khafaji

Volume 39, Issue 8 , August 2021, Page 1328-1337

https://doi.org/10.30684/etj.v39i8.2149

Abstract
  Wetland landscape characterization is an important component of determining the degree to which wetlands improve environmental conditions. The present study aims to create a model used ...  Read More ...