Search Results - "Waleed A. Abbas"

Influence of fiber types on the properties of the artificial cold-bonded lightweight aggregates by Sabr, Hawraa Ahmed, Abbas, Waleed A.

“…The cold-bonded pelletizing method is often employed in aggregate production since it uses less energy and helps reduce issues with gas emissions, contributing…”
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Production of Cold-Bonding Pelletized Artificial Expired Cement- Fly Ash Lightweight Aggregates with Various Curing Regime by Ibrahim, Haider Araby, Abbas, Waleed A.

“…Expired cement (EC) with fly ash can be recycled in artificial lightweight aggregates (ECFLA) manufacturing to manage industrial waste by mixing with fly ash…”
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A statistical models to predict strength development of eight molarity geopolymer concrete by Ali, Ali A., Al-Attar, Tareq S., Abbas, Waleed A.

“…Geopolymer concrete has emerged as a viable alternative to traditional concrete. Geopolymer is amorphous to semi-crystalline materials synthesized from…”
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Mechanical Performance of Blended Fly Ash-based Geopolymer Concrete with GGBS and Metakaolin by Ali Ali, Tareq Al-Attar, Waleed A. Abbas

“…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…”
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Effect of biopolymer alginate on some properties of concrete by Abbas, Walid Abd al-Razzaq, Muhsin, Hawra Muhammad

“…Alginate from Large brown seaweeds act as natural polymer has been investigated as polymer and has been added to concrete in different percentages ( 0%, 0. 5%,…”
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Thermally activated bentonite as a supplementary cementitious material : a review by al-Hammud, Amir A., Abbas, Walid Abd al-Razzaq, Furayyih, Qays Jawad

“…Bentonite is a mixture of clay and non-clay minerals. Montmorillonite clay mineral is a dominant mineral in bentonite. Silica and alumina bond in the crystal…”
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Fresh and Hardened Properties ofLightweight Self CompactingConcrete Containing Attapulgite by Waleed A. Abbas, Qais J.Frayyeh, Shubbar J. Al Obaidey

“…The main objectives of this study were investigating the possibility of producing lightweight self -Compacting concrete (LWSCC) by using artificial coarse…”
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The combined effect of attapulgite high reactive mineral admixture and superplastisizer on compressive strength of attapulgite lightweight aggregate concrete by Furayyih, Qays Jawad, Abbas, Walid Abd al-Razzaq, Hasan, Ali k.

“…The goal of this study , mainly is to investigate the combined effects of using both Attapulgite high reactive mineral admixture and superplastisizer on the…”
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Behavior of high strength concrete containing nano-metakaolin exposure to fire flame by al-Khafaji, Muhammad K., Abbas, Walid Abd al-Razzaq, al-Mashhadani, Shakir Ahmad Salih

“…The aim of this experimental study was to evaluate the effect of fire flame exposure with different intensities of firing on the mechanical properties of a…”
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Investigate about the Iraqi attapulgite clay as a mineral admixture for concrete by Furayyih, Qays Jawad, Abbas, Walid Abd al-Razzaq, Malik, Samir Hamid

“…Tremendous research efforts have been directed to investigate the possibility of using the Iraqi Attapulgite clay as a mineral admixture to improve some…”
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Effect of plastic fibers on properties of foamed concrete by Ahmad, Hisham Khalid, Abbas, Walid Abd al-Razzaq, Abd al-Razzaq, Duha M.

“…The main objective of this work is to study the effect of adding plastic fibers on Lightweight Aggregate Foamed Concrete (LWAFC) using mix proportion of 1 :…”
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Shrinkage and thermo-mechanical properties of concretes incorporated with different substitutions of natural aggregates by cold bonded calcined attapulgite lightweight aggregates by Abbas, Mohammed L., Abbas, Waleed A., Güneyisi, Erhan

“…Calcined attapulgite (CAT), a fibrous calcined clay represents a promising option for advancement as a relatively new cementitious material with strong…”
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Effects of Using Cold Bonded Coarse and Fine Calcined Attapulgite Lightweight Aggregates on the Performance Properties of Microsilica and Fly Ash Blended Concretes by Abbas, Mohammed Layth, Abbas, Waleed A., Güneyisi, Erhan

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Flexural performance of strengthened reinforced concrete beams with DFRCC layer by Hussein, Mahdi J., Gorgis, I. N., Abbas, Waleed A.

“…DFRCC, also known as ductile fiber-reinforced cement composite, was developed as a means to enhance the strength of cement structures. This concrete-based…”
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PUNCHING SHEAR BEHAVIOR OF THREE DIMENSION TEXTILES REINFORCED CEMENTITIOUS COMPOSITE PLATES by Moneem, Nadia, Abbas, Waleed, Gorgis, Ikbal

“…Self compacting mortars (SCMs) plate specimens with dimension of (500×500×40) mm were cast with three-dimension (3D) textile glass fiber having three diverse…”
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SELF–CURING CEMENT MORTAR COMPOSITE BY USING POLY VINYL ALCOHOL by Abbas, Waleed, Gorgis, Ikbal, Hussien, Mahdi

“…Polyvinyl alcohol (PVA) defines as a self-curing agent when it forms films prevent evaporation water required to hydration. In this study was found the effect…”
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The Effect of Acid Rain on Strength and Corrosion Performance of Slurry Infiltrated Fiber Concrete by Mays F. Alrubaie, Shakir A. Salih, Waleed A. Abbas

“…The acid rain has a serious effect on the durability of reinforced concrete, especially when the pH value of the acid rain decreased lower than a certain…”
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Mechanical properties and thermal conductivity of lightweight geopolymer concrete by Khalil, Wasan Ismail, Abbas, Waleed A., Nasser, Ibtesam F.

“…Geopolymer concrete can be considered as the key factor which does not utilize Portland cement, nor releases green house gases. With the increasing use of…”
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Some properties and microstructure of fibre reinforced lightweight geopolymer concrete by Khalil, Wasan I., Abbas, Waleed A., Nasser, Ibtesam F.

“…The purpose of this investigation is to study the effect of inclusion steel fiber on microstructure and some properties of lightweight geopolymer concrete…”
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