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http://dx.doi.org/10.14190/JRCR.2017.5.3.239

Probability-Based LCCO2 Evaluation for Undergroung Structture with Repairing Timings Exposed to Carbonation  

Kwon, Seung-Jun (Department of Civil Engineering, Hannam University)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.5, no.3, 2017 , pp. 239-246 More about this Journal
Abstract
RC(Reinforced Concrete) structures can keep their performance during intended service life through initial service life and extension of the life through repairs. In the deterministic repairing method, cost and the related $CO_2$ emission increase with step-shaped escalation, however continuous results can be obtained through probabilistic repairing technique, and this is capable of reducing $CO_2$ emission through $CO_2$ absorption. In the work, repairing timing and $CO_2$ emission/absorption are evaluated based on the different methods like deterministic and probabilistic manner. The probabilistic technique considering $CO_2$ absorption with carbonation progress is evaluated to be very effective to reduction of $CO_2$ emission through extension of initial and additional service life due to repairs. When the variations of the service life from initial construction and repair material can be determined, the proposed technique can contribute to reduction of cost and $CO_2$ with decreasing repairing number.
Keywords
Probabilistic maintenance; Sevice life; Number of repair; Carbonation; $CO_2$ absorption;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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