Year 2020, Volume 23 , Issue 1, Pages 61 - 66 2020-03-01

Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars
Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars

H. Süleyman GÖKÇE [1] , Hojjat HOSSEİNNEZHAD [2] , Onur ÜZÜM [3] , Daniel HATUNGİMANA [4] , Kambiz RAMYAR [5]


In this study, the effect of binary and ternary cementitious systems composed of portland cement, high-lime fly ash and silica fume on the compressive strength, alkali-silica reaction (ASTM C 1567) and drying shrinkage of mortar mixtures was researched. For this purpose, binary and ternary binders were prepared with partial replacement of cement with either fly ash (15wt% and 30wt%) or silica fume (5wt%) or both mineral admixtures (15wt+%5wt% and 30wt%+5wt%). An alkali reactive basalt aggregate was used in this study. It was found that partial replacement of cement with high-lime fly ash reduced the strength of mortar mixtures even up to 28-days. Besides, addition of 5% silica fume had not a significant effect on the early strength of fly ash-bearing mixtures. However, silica fume inclusion improved the 28-day strength of mixtures. In terms of alkali-silica reaction (ASR), the fly ash with lower lime content reduced the 14-day expansion more than that of fly ash with higher lime content. The opposite results were the case in 28-day ASR expansions. The ASR expansions of the fly ash-bearing mixtures were significantly reduced by the introduction of the additional 5% silica fume to these mixtures. However, silica fume incorporation remarkably increased the drying shrinkage values of the mixtures. Finally, fly ash with higher lime content was found to be more satisfactory in terms of compressive strength, alkali-silica reaction and drying shrinkage in the ternary binder system.

In this study, the effect of binary and ternary cementitious systems composed of portland cement, high-lime fly ash and silica fume on the compressive strength, alkali-silica reaction (ASTM C 1567) and drying shrinkage of mortar mixtures was researched. For this purpose, binary and ternary binders were prepared with partial replacement of cement with either fly ash (15wt% and 30wt%) or silica fume (5wt%) or both mineral admixtures (15wt+%5wt% and 30wt%+5wt%). An alkali reactive basalt aggregate was used in this study. It was found that partial replacement of cement with high-lime fly ash reduced the strength of mortar mixtures even up to 28-days. Besides, addition of 5% silica fume had not a significant effect on the early strength of fly ash-bearing mixtures. However, silica fume inclusion improved the 28-day strength of mixtures. In terms of alkali-silica reaction (ASR), the fly ash with lower lime content reduced the 14-day expansion more than that of fly ash with higher lime content. The opposite results were the case in 28-day ASR expansions. The ASR expansions of the fly ash-bearing mixtures were significantly reduced by the introduction of the additional 5% silica fume to these mixtures. However, silica fume incorporation remarkably increased the drying shrinkage values of the mixtures. Finally, fly ash with higher lime content was found to be more satisfactory in terms of compressive strength, alkali-silica reaction and drying shrinkage in the ternary binder system.
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Primary Language en
Subjects Engineering
Journal Section Research Article
Authors

Orcid: 0000-0002-6978-0135
Author: H. Süleyman GÖKÇE (Primary Author)
Institution: BAYBURT ÜNİVERSİTESİ
Country: Turkey


Orcid: 0000-0000-0000-0000
Author: Hojjat HOSSEİNNEZHAD
Institution: EGE ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ

Orcid: 0000-0000-0000-0000
Author: Onur ÜZÜM
Institution: EGE ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ

Orcid: 0000-0000-0000-0000
Author: Daniel HATUNGİMANA
Institution: EGE ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ

Orcid: 0000-0003-2200-2691
Author: Kambiz RAMYAR
Institution: EGE ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ

Dates

Publication Date : March 1, 2020

Bibtex @research article { politeknik444036, journal = {Politeknik Dergisi}, issn = {}, eissn = {2147-9429}, address = {Gazi Üniversitesi Teknoloji Fakültesi 06500 Teknikokullar - ANKARA}, publisher = {Gazi University}, year = {2020}, volume = {23}, pages = {61 - 66}, doi = {10.2339/politeknik.444036}, title = {Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars}, key = {cite}, author = {GÖKÇE, H. Süleyman and HOSSEİNNEZHAD, Hojjat and ÜZÜM, Onur and HATUNGİMANA, Daniel and RAMYAR, Kambiz} }
APA GÖKÇE, H , HOSSEİNNEZHAD, H , ÜZÜM, O , HATUNGİMANA, D , RAMYAR, K . (2020). Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars. Politeknik Dergisi , 23 (1) , 61-66 . DOI: 10.2339/politeknik.444036
MLA GÖKÇE, H , HOSSEİNNEZHAD, H , ÜZÜM, O , HATUNGİMANA, D , RAMYAR, K . "Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars". Politeknik Dergisi 23 (2020 ): 61-66 <https://dergipark.org.tr/en/pub/politeknik/issue/51707/444036>
Chicago GÖKÇE, H , HOSSEİNNEZHAD, H , ÜZÜM, O , HATUNGİMANA, D , RAMYAR, K . "Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars". Politeknik Dergisi 23 (2020 ): 61-66
RIS TY - JOUR T1 - Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars AU - H. Süleyman GÖKÇE , Hojjat HOSSEİNNEZHAD , Onur ÜZÜM , Daniel HATUNGİMANA , Kambiz RAMYAR Y1 - 2020 PY - 2020 N1 - doi: 10.2339/politeknik.444036 DO - 10.2339/politeknik.444036 T2 - Politeknik Dergisi JF - Journal JO - JOR SP - 61 EP - 66 VL - 23 IS - 1 SN - -2147-9429 M3 - doi: 10.2339/politeknik.444036 UR - https://doi.org/10.2339/politeknik.444036 Y2 - 2019 ER -
EndNote %0 Politeknik Dergisi Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars %A H. Süleyman GÖKÇE , Hojjat HOSSEİNNEZHAD , Onur ÜZÜM , Daniel HATUNGİMANA , Kambiz RAMYAR %T Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars %D 2020 %J Politeknik Dergisi %P -2147-9429 %V 23 %N 1 %R doi: 10.2339/politeknik.444036 %U 10.2339/politeknik.444036
ISNAD GÖKÇE, H. Süleyman , HOSSEİNNEZHAD, Hojjat , ÜZÜM, Onur , HATUNGİMANA, Daniel , RAMYAR, Kambiz . "Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars". Politeknik Dergisi 23 / 1 (March 2020): 61-66 . https://doi.org/10.2339/politeknik.444036
AMA GÖKÇE H , HOSSEİNNEZHAD H , ÜZÜM O , HATUNGİMANA D , RAMYAR K . Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars. Politeknik Dergisi. 2020; 23(1): 61-66.
Vancouver GÖKÇE H , HOSSEİNNEZHAD H , ÜZÜM O , HATUNGİMANA D , RAMYAR K . Optimising High Lime Fly Ash Content By Means of Silica Fume İncorporation To Control Alkali-Silica Reaction And Drying Shrinkage of Mortars. Politeknik Dergisi. 2020; 23(1): 66-61.