00/00165 Laboratory-produced high-volume fly ash blended cements: physical properties and compressive strength of mortars

2000 ◽  
Vol 41 (1) ◽  
pp. 17
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Physical Properties ◽  
High Volume ◽  
Blended Cements ◽  
High Volume Fly Ash

scholarly journals Influence of Particle Size Distribution of High Calcium Fly Ash on HVFA Mortar Properties

2018 ◽  
Vol 20 (2) ◽  
pp. 51
Author(s):  
Antoni . ◽  
Hendra Surya Wibawa ◽  
Djwantoro Hardjito
Keyword(s):  
Particle Size ◽  
Compressive Strength ◽  
Fly Ash ◽  
Particle Size Distribution ◽  
Size Distribution ◽  
Setting Time ◽  
High Volume ◽  
High Volume Fly Ash ◽  
High Calcium ◽  
High Calcium Fly Ash

This study evaluates the effect of particle size distribution (PSD) of high calcium fly ash on high volume fly ash (HVFA) mortar characteristics. Four PSD variations of high calcium fly ash used were: unclassified fly ash and fly ash passing sieve No. 200, No. 325 and No. 400, respectively. The fly ash replacement ratio of the cementitious material ranged between 50-70%. The results show that with smaller fly ash particles size and higher levels of fly ash replacement, the workability of the mixture was increased with longer setting time. There was an increase in mortar compressive strength with finer fly ash particle size, compared to those with unclassified ones, with the highest strength was found at those with fly ash passing mesh No. 325. The increase was found due to better compactability of the mixture. Higher fly ash replacement reduced the mortar’s compressive strength, however, the rate was reduced when finer fly ash particles was used.

scholarly journals Effect of mix design inputs, curing and compressive strength on the durability of Na2SO4-activated high volume fly ash concretes

2018 ◽  
Vol 91 ◽  
pp. 11-20 ◽  
Author(s):  
Diego F. Velandia ◽  
Cyril J. Lynsdale ◽  
John L. Provis ◽  
Fernando Ramirez
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
High Volume ◽  
Mix Design ◽  
High Volume Fly Ash

Regression Models for Prediction of Compressive Strength of High Volume Fly Ash (HVFA) Concrete

2013 ◽  
Vol 39 (3) ◽  
pp. 1659-1669 ◽  
Author(s):  
S. Bala Murugan ◽  
G. Mohan Ganesh ◽  
A. S. Santhi
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Regression Models ◽  
High Volume ◽  
High Volume Fly Ash

scholarly journals Strength Development and Thermogravimetric Investigation of High-Volume Fly Ash Binders

Materials ◽  
2019 ◽  
Vol 12 (20) ◽  
pp. 3344 ◽  
Author(s):  
Zhiyuan Zhou ◽  
Massoud Sofi ◽  
Elisa Lumantarna ◽  
Rackel San Nicolas ◽  
Gideon Hadi Kusuma ◽  
...  
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Temperature Rise ◽  
Bound Water ◽  
High Volume ◽  
Heat Of Hydration ◽  
New Method ◽  
Hydration Properties ◽  
Adiabatic Temperature Rise ◽  
High Volume Fly Ash

To address sustainability issues by facilitating the use of high-volume fly ash (HVFA) concrete in industry, this paper investigates the early age hydration properties of HVFA binders in concrete and the correlation between hydration properties and compressive strengths of the cement pastes. A new method of calculating the chemically bound water of HVFA binders was used and validated. Fly ash (FA) types used in this study were sourced from Indonesia and Australia for comparison. The water to binder (w/b) ratio was 0.4 and FA replacement levels were 40%, 50% and 60% by weight. Isothermal calorimetry tests were conducted to study the heat of hydration which was further converted to the adiabatic temperature rise. Thermo-gravimetric analysis (TGA) was employed to explore the chemically bound water (WB) of the binders. The results showed that Australian FA pastes had higher heat of hydration, adiabatic temperature rise, WB and compressive strength compared to Indonesian FA pastes. The new method of calculating chemically bound water can be successfully applied to HVFA binders. Linear correlation could be found between the WB and compressive strength.

scholarly journals Optimization of particle sizes in high volume fly ash blended cements

2011 ◽  
Author(s):  
Dale P Bentz ◽  
Chiara F Ferraris ◽  
James J Filliben
Keyword(s):  
Fly Ash ◽  
High Volume ◽  
Particle Sizes ◽  
Blended Cements ◽  
High Volume Fly Ash

Effect of the addition of nano glass powder on the compressive strength of high volume fly ash modified concrete

2021 ◽  
Author(s):  
Ali M. Onaizi ◽  
Nor Hasanah Abdul Shukor Lim ◽  
Ghasan F. Huseien ◽  
Mugahed Amran ◽  
Chau Khun Ma
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Glass Powder ◽  
High Volume ◽  
High Volume Fly Ash
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