Performance Based Evaluation of Concrete Strength under Various Curing Conditions to Investigate Climate Change Effects

Tae-Kyun Kim, Seung-Jai Choi, Jang-Ho Jay Kim and Byung-Yun Kim
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Tae-Kyun Kim: School of Civil and Environmental Engineering, Yonsei University, Concrete Structural Engineering Laboratory, Seodaemun-gu, Seoul 120-794, Korea
Seung-Jai Choi: School of Civil and Environmental Engineering, Yonsei University, Concrete Structural Engineering Laboratory, Seodaemun-gu, Seoul 120-794, Korea
Jang-Ho Jay Kim: School of Civil and Environmental Engineering, Yonsei University, Concrete Structural Engineering Laboratory, Seodaemun-gu, Seoul 120-794, Korea
Byung-Yun Kim: Department of Architectural Engineering, Catholic Kwandong University, Gangneung 210-701, Korea

Sustainability, 2015, vol. 7, issue 8, 1-26

Abstract: Recently, the manifestation of global warming-induced climate change has been observed through super typhoons, heavy snowfalls, torrential rains, and extended heat waves. These climate changes have been occurring all over the world and natural disasters have caused severe damage and deterioration of concrete structures and infrastructure. In an effort to deal with these problems due to extreme and abnormal climate changes, studies have been conducted to develop construction technologies and design guidelines. Nevertheless, study results applicable to construction sites continue to be ineffective and insufficient. Therefore, this study proposes ways to cope with climate change by considering the effect of concrete curing condition variations on concrete material performance. More specifically, the 3-, 7- and 28-day compressive and split tensile strength properties of concrete mix cured under various climatic factors including temperature, relative humidity, wind speed, and sunlight exposure time were evaluated to determine whether the concrete meets the current design requirements. Thereafter, a performance based evaluation (PBE) was performed using satisfaction probabilities based on the test values to understand the problems associated with the current mix proportion design practice and to identify countermeasures to deal with climate change-induced curing conditions.

Keywords: climate change; concrete curing condition; concrete strength; Bayesian probabilistic method; satisfaction curve; performance based evaluation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2015
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