4 results for “Concrete Curing”

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Research ArticleOpen accessEvery word in the titleEffects of Curing Temperature and MMA Content on the Working Life of MMA-Modified Vinyl Ester Polymer ConcreteKi-Bong Choi, Seung-Ho Min, Kyu-Seok YeonThe main purpose of this study is to identify the effects of curing temperature and methyl methacrylate (MMA) content on the working life of vinyl ester polymer concreteusing MMA as a monomer, N,N-dimethyl-p-toluidine (DMP) and methyl ethyl ketone peroxide (MEKPO) as initiators and cobalt naphthenate as a promoter. The results have shown that the working life of vinyl ester polymer … …American Journal of Applied Sciences, Vol. 14, Issue 1 · 23 Jan 2017 · 7,962 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsSetting Shrinkage Characteristics of Methyl Methacrylate-Modified Vinyl Ester Polymer ConcreteKi-Bong Choi, Seung-Ho Min, Kyu-Seok YeonThis study evaluated the setting shrinkage characteristics of Methyl Methacrylate (MMA)-modified vinyl ester polymer concrete with different curing ages, MMA contents and curing temperatures. Results have shown that most of the setting shrinkage developed within 24 h after curing initiation. It was also found that an increase in MMA content led to an almost linear decrease in setting shrinkage, indicating … …American Journal of Applied Sciences, Vol. 13, Issue 5 · 17 May 2016 · 8,300 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsThe Use of the Super Absorbent Polymer as Water Blocker in Concrete StructuresMoayyad Al-Nasra, Mohammad Daoudb, Taher M. Abu-LebdehAdding super absorbent polymer to the concrete mix improves the performance of the concrete in its both stages; fresh concrete and hardened concrete. The super absorbent polymer has the ability to absorb relatively large amount of water and convert it into gel at the same time the volume increases proportionally. The new modified concrete has the ability to retain water … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 4 · 6 Nov 2015 · 8,932 accessesView PDF Cite

Research ArticleOpen accessIn the abstractSustainable Study of Self-Healing Concrete in Hot Desert ClimateBatoul Chamali, Moayyad Al-Nasra, Taher M. Abu-LebdehThe hot and dry desert climate is characterized by high temperature and high humidity. This affects the strength of concrete negatively by the difficulty of providing proper curing and by generating early micro-cracks due to the high temperature. These two issues have been addressed in this study by adding calcite precipitating bacteria to deal with the micro-cracks and by adding … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 2 · 16 May 2019 · 8,041 accessesView PDF Cite