Influence of mineralogical and chemical compositions on alkali-silica-reaction of Tennessee limestones

Ammar Abd-Elssamd; Zhongguo John Ma; Hugh Hou; Yann Le Pape

doi:10.1016/j.conbuildmat.2020.119916

Influence of mineralogical and chemical compositions on alkali-silica-reaction of Tennessee limestones

Ammar Abd-Elssamd, Zhongguo John Ma, Hugh Hou, Yann Le Pape

Nuclear Structures and Construction

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The paper aims to identify potential correlations between mineralogical and chemical compositions of AAR reactive dolomitic limestone aggregates from Tennessee and their expansion on ASTM C1293 for quick evaluation of reactivity. The chemical compositions of 26 limestones, namely the silica content (SiO₂), showed a strong correlation with the expansion in the concrete prism test. The early and highly expansive limestones are characterized by a high clay/ mica content (>5%). The reactivity of Tennessee limestones is mainly caused by crypto/microcrystalline quartz, chert, and finely disseminated silica in carbonate and clay/mica matrices, and it can be reasonably evaluated using X-ray diffraction and chemical analysis coupled with petrographic examinations.

Original language	English
Article number	119916
Journal	Construction and Building Materials
Volume	261
DOIs	https://doi.org/10.1016/j.conbuildmat.2020.119916
State	Published - Nov 20 2020

Funding

This work is part of a research project entitled “Assessment of alkali-aggregate reaction risk in the state of Tennessee” conducted by the University of Tennessee, Knoxville and funded by the Tennessee Department of Transportation (TDOT). The authors would like to express their gratitude and sincere appreciation to the Tennessee Department of Transportation (TDOT) for funding this project. This work is part of a research project entitled ?Assessment of alkali-aggregate reaction risk in the state of Tennessee? conducted by the University of Tennessee, Knoxville and funded by the Tennessee Department of Transportation (TDOT). The authors would like to express their gratitude and sincere appreciation to the Tennessee Department of Transportation (TDOT) for funding this project.

Funders	Funder number
University of Tennessee
Tennessee Department of Transportation
state of Tennessee?

Keywords

ASR in field concrete
Concrete deterioration
Mitigation
Rate of expansion
Silica content
Siliceous and dolomitic limestones
alkali-aggregate reaction (AAR)
alkali-carbonate reaction (ACR)
alkali-silica reaction (ASR)

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10.1016/j.conbuildmat.2020.119916

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title = "Influence of mineralogical and chemical compositions on alkali-silica-reaction of Tennessee limestones",

abstract = "The paper aims to identify potential correlations between mineralogical and chemical compositions of AAR reactive dolomitic limestone aggregates from Tennessee and their expansion on ASTM C1293 for quick evaluation of reactivity. The chemical compositions of 26 limestones, namely the silica content (SiO2), showed a strong correlation with the expansion in the concrete prism test. The early and highly expansive limestones are characterized by a high clay/ mica content (>5%). The reactivity of Tennessee limestones is mainly caused by crypto/microcrystalline quartz, chert, and finely disseminated silica in carbonate and clay/mica matrices, and it can be reasonably evaluated using X-ray diffraction and chemical analysis coupled with petrographic examinations.",

keywords = "ASR in field concrete, Concrete deterioration, Mitigation, Rate of expansion, Silica content, Siliceous and dolomitic limestones, alkali-aggregate reaction (AAR), alkali-carbonate reaction (ACR), alkali-silica reaction (ASR)",

author = "Ammar Abd-Elssamd and Ma, {Zhongguo John} and Hugh Hou and {Le Pape}, Yann",

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doi = "10.1016/j.conbuildmat.2020.119916",

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AU - Abd-Elssamd, Ammar

AU - Ma, Zhongguo John

AU - Hou, Hugh

AU - Le Pape, Yann

PY - 2020/11/20

Y1 - 2020/11/20

N2 - The paper aims to identify potential correlations between mineralogical and chemical compositions of AAR reactive dolomitic limestone aggregates from Tennessee and their expansion on ASTM C1293 for quick evaluation of reactivity. The chemical compositions of 26 limestones, namely the silica content (SiO2), showed a strong correlation with the expansion in the concrete prism test. The early and highly expansive limestones are characterized by a high clay/ mica content (>5%). The reactivity of Tennessee limestones is mainly caused by crypto/microcrystalline quartz, chert, and finely disseminated silica in carbonate and clay/mica matrices, and it can be reasonably evaluated using X-ray diffraction and chemical analysis coupled with petrographic examinations.

AB - The paper aims to identify potential correlations between mineralogical and chemical compositions of AAR reactive dolomitic limestone aggregates from Tennessee and their expansion on ASTM C1293 for quick evaluation of reactivity. The chemical compositions of 26 limestones, namely the silica content (SiO2), showed a strong correlation with the expansion in the concrete prism test. The early and highly expansive limestones are characterized by a high clay/ mica content (>5%). The reactivity of Tennessee limestones is mainly caused by crypto/microcrystalline quartz, chert, and finely disseminated silica in carbonate and clay/mica matrices, and it can be reasonably evaluated using X-ray diffraction and chemical analysis coupled with petrographic examinations.

KW - ASR in field concrete

KW - Concrete deterioration

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KW - Rate of expansion

KW - Silica content

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KW - alkali-carbonate reaction (ACR)

KW - alkali-silica reaction (ASR)

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JO - Construction and Building Materials

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Influence of mineralogical and chemical compositions on alkali-silica-reaction of Tennessee limestones

Abstract

Funding

Keywords

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