A Proposed New Mix Proportioning Method for Fly Ash-Based Geopolymer Concrete
A Proposed New Mix Proportioning Method for Fly Ash-Based Geopolymer Concrete

Mazin A. Alhifadhi; Tareq S. Al-Attar; Qais A. Hasan

Volume 41, Issue 11 , November 2023, , Page 1346-1354

https://doi.org/10.30684/etj.2023.139354.1427

Abstract
  Global warming on planet Earth results from the high emission of greenhouse gases, especially CO2. The Portland cement industry releases high amounts of CO2 and is responsible for about ...  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 ...
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 ...
Effect of Steel Fiber Content on Properties of Fresh Self-compacting Geopolymer Concrete
Effect of Steel Fiber Content on Properties of Fresh Self-compacting Geopolymer Concrete

Zaid A. Mohammed; Tareq S. Al-Attar; Basil S. Al-Shathr

Volume 39, Issue 12 , December 2021, , Page 1875-1881

https://doi.org/10.30684/etj.v39i12.2295

Abstract
  Self-compacting geopolymer concrete (SCGPC) is a cutting-edge sustainable engineering material in construction that eliminates the need for both compaction and Portland cement. In this ...  Read More ...
Influence of Fly Ash Addition on Behavior of Soft Clayey Soil
Influence of Fly Ash Addition on Behavior of Soft Clayey Soil

Hussein H. Karim; Zeena W. Samueel; Adel H. Jassem

Volume 38, 5A , May 2020, , Page 698-706

https://doi.org/10.30684/etj.v38i5A.426

Abstract
  This paper investigates the impact of the fly Ash addition on the Geotechnical properties of soft soil as well as chooses the optimum percentage added of fly ash. To understand the ...  Read More ...
The Characterization and Modeling the Mechanical Properties of High Strength Concrete (HSC) Modified with Fly Ash (FA)
The Characterization and Modeling the Mechanical Properties of High Strength Concrete (HSC) Modified with Fly Ash (FA)

Saman M. Kamal; Jalal A. Saeed; Ahmed Mohammed

Volume 38, 2A , February 2020, , Page 173-184

https://doi.org/10.30684/etj.v38i2A.278

Abstract
  One of the main challenges facing Civil Engineering community is to modify cement quantity in the mix design by admixtures to enhance the mechanical properties. According to more than ...  Read More ...
The Synergic Effect of Fly Ash and High Reactivity Attapulgite in Ternary Blended Cement
The Synergic Effect of Fly Ash and High Reactivity Attapulgite in Ternary Blended Cement

Shubbar J. Al-Obaidey

Volume 37, 12A , December 2019, , Page 528-535

https://doi.org/10.30684/etj.v37i12A.456

Abstract
  The main objective is to study the synergic effect of fly ash (FA) and high reactivity Attapulgite (HRA) together in ternary blended cement of (OPC+FA+HRA) and evaluate the efficiency ...  Read More ...
The Effect of Using Multi Types of Mineral Admixtures on Some Properties of Lightweight Self-Compacting Concrete
The Effect of Using Multi Types of Mineral Admixtures on Some Properties of Lightweight Self-Compacting Concrete

Waleed A. Razaq; Qais J. Freih; Shubbar J. Al Obaidey

Volume 37, 1C , April 2019, , Page 186-194

https://doi.org/10.30684/etj.37.1C.29

Abstract
  The main objective of this research was studying the effects of using multi types of mineral admixtures as high reactivity Attapulgite (HRA), high reactivity Metakaolin (HRM) and fly ...  Read More ...
Performance of Geopolymer Concrete Exposed to Freezing and Thawing Cycles
Performance of Geopolymer Concrete Exposed to Freezing and Thawing Cycles

Mohammed H. Shamsa; Basil S. Al-Shathr; Tareq S. al-Attar

Volume 37, 3A , March 2019, , Page 78-84

https://doi.org/10.30684/etj.37.3A.1

Abstract
  In this study, the effect of rapid freezing and thawing (ASTM C666 – procedure A) on three different types of Geopolymer concrete studied using three types of pozzolanic material: ...  Read More ...
Effect of B4C/Fly Ash Addition on Wear and Mechanical Properties of Al-Cu-Mg Alloy
Effect of B4C/Fly Ash Addition on Wear and Mechanical Properties of Al-Cu-Mg Alloy

I.A. Alkadir; L.S. Salim

Volume 35, 4A , April 2017, , Page 301-310

https://doi.org/10.30684/etj.35.4A.1

Abstract
  This research studied the effect of adding fly ash and boron carbide (B4C) particulates reinforcement on the mechanical properties and wear resistance of Al- 4.5% Cu- 1.18% Mg matrix ...  Read More ...
Effect of Fly and Dust Ash Additions on Hardness and Wear Resistance of Composite Metal Matrix (Al-Si-Mg)
Effect of Fly and Dust Ash Additions on Hardness and Wear Resistance of Composite Metal Matrix (Al-Si-Mg)

Siham E. Salih; Sahib M. Al-Saffar; Solaf Majeed Darkhan

Volume 29, Issue 16 , December 2011, , Page 3345-3358

https://doi.org/10.30684/etj.29.16.8

Abstract
  The current paper deals with the preparation of bars with a length of about 13 cm and 2.5 cm diameter from MMC materials. These composites consists of cast (Al-Si-Mg) as a matrix that ...  Read More ...
Factors Affecting the Relationship Between Total Porosity and Electrical Resistivity for Concrete Repair Materials
Factors Affecting the Relationship Between Total Porosity and Electrical Resistivity for Concrete Repair Materials

Maan Salman Hassan

Volume 26, Issue 8 , August 2008, , Page 1016-1024

https://doi.org/10.30684/etj.26.8.12

Abstract
  The paper examines the properties of five different types of repair and substratematerials, including conventional mortar, fly ash mortar, silica fume mortar, conventionalconcrete substrate, ...  Read More ...