Shelf life of alkali activated cement: Effects of storage condition and duration
Abstract
Hydraulic cements based on the alkali aluminosilicate chemistry tend to be more reactive than Type I Portland cement. An experimental investigation was conducted in order to evaluate the effects of storage in air and in sealed condition on the properties and performance of alkali aluminosilicate cements. Different storage durations up to 28 days were considered in this experimental study. Hydraulic cements were evaluated based on their morphology, chemistry and mineralogy, hydration kinetics, strength development characteristics, and microstructure of the resultant hydration products. The early-age hydration kinetics and strength development characteristics of the alkali aluminosilicate cement were found to be altered by storage, especially when the cement was exposed to air. Older cements also produced hydration products that were more susceptible to microcracking when dried under vacuum. Longer-term strength development characteristics of cements were less influenced than their shorter-term strength development characteristics with duration of storage in sealed or exposed condition.
- Publication Date:
- Research Org.:
- Metna Co., Lansing, MI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Engineering & Technology. Office of Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) Programs
- OSTI Identifier:
- 1802716
- Alternate Identifier(s):
- OSTI ID: 1529695
- Grant/Contract Number:
- SC0015197
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Construction and Building Materials
- Additional Journal Information:
- Journal Volume: 222; Journal ID: ISSN 0950-0618
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; shelf life; aging; alkali activated cement; cement clustering; mechanical properties
Citation Formats
Matalkah, Faris, and Soroushian, Parviz. Shelf life of alkali activated cement: Effects of storage condition and duration. United States: N. p., 2019.
Web. doi:10.1016/j.conbuildmat.2019.06.193.
Matalkah, Faris, & Soroushian, Parviz. Shelf life of alkali activated cement: Effects of storage condition and duration. United States. https://doi.org/10.1016/j.conbuildmat.2019.06.193
Matalkah, Faris, and Soroushian, Parviz. Thu .
"Shelf life of alkali activated cement: Effects of storage condition and duration". United States. https://doi.org/10.1016/j.conbuildmat.2019.06.193. https://www.osti.gov/servlets/purl/1802716.
@article{osti_1802716,
title = {Shelf life of alkali activated cement: Effects of storage condition and duration},
author = {Matalkah, Faris and Soroushian, Parviz},
abstractNote = {Hydraulic cements based on the alkali aluminosilicate chemistry tend to be more reactive than Type I Portland cement. An experimental investigation was conducted in order to evaluate the effects of storage in air and in sealed condition on the properties and performance of alkali aluminosilicate cements. Different storage durations up to 28 days were considered in this experimental study. Hydraulic cements were evaluated based on their morphology, chemistry and mineralogy, hydration kinetics, strength development characteristics, and microstructure of the resultant hydration products. The early-age hydration kinetics and strength development characteristics of the alkali aluminosilicate cement were found to be altered by storage, especially when the cement was exposed to air. Older cements also produced hydration products that were more susceptible to microcracking when dried under vacuum. Longer-term strength development characteristics of cements were less influenced than their shorter-term strength development characteristics with duration of storage in sealed or exposed condition.},
doi = {10.1016/j.conbuildmat.2019.06.193},
journal = {Construction and Building Materials},
number = ,
volume = 222,
place = {United States},
year = {Thu Jun 27 00:00:00 EDT 2019},
month = {Thu Jun 27 00:00:00 EDT 2019}
}
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