[HTML][HTML] Repair cost optimization for maintenance of RC structure subjected to carbonation

SJ Kwon - … Journal of Sustainable Building Technology and …, 2017 - sbt-durabi.org
When concrete is exposed to high concentration of CO2, pH in pore water drops below 10.5
and this allows acceleration of corrosion initiation in concrete, so called carbonation. With …

Repair Cost Analysis for RC Structure Exposed to Carbonation Considering Log and Normal Distributions of Life Time

SI Woo, SJ Kwon - Journal of the Korean Recycled Construction …, 2018 - koreascience.kr
Many researches have been carried out on carbonation, a representative deterioration in
underground structure. The carbonation of RC (Reinforced Concrete) structure can cause …

Optimal maintenance plan of RC building damaged by concrete carbonation using immune algorithm

CK Chiu, M Kanematsu, T Noguchi… - Journal of Structural …, 2008 - tus.elsevierpure.com
This paper shows deterioration models due to carbonation in consideration of uncertainty to
estimate (he initiation and the rate of corrosion, and to analyze the structural capacity and …

Simulation on optimum repairing number of carbonated RC structure based on probabilistic approach

SJ Kwon - Journal of the Korean Recycled Construction …, 2017 - koreascience.kr
Carbonation is a representative deterioration for underground structure, which causes
additional repair for service life. This study proposes a simplified equation for optimum repair …

Probabilistic Service Life Evaluation for OPC Concrete under Carbonation Considering Cold Joint and Induced Stress Level

SJ Kwon - Journal of the Korea institute for structural maintenance …, 2019 - koreascience.kr
Steel corrosion due to carbonation in RC (Reinforced Concrete) structures easily occurs in
urban cities with high CO 2 concentration. RC structures are always subjected to external …

Optimal maintenance plan for RC members by minimizing life-cycle cost including deterioration risk due to carbonation

CK Chiu, T Noguchi, M Kanematsu - Journal of advanced concrete …, 2008 - jstage.jst.go.jp
This paper presents various models of deterioration due to carbonation taking into
consideration uncertainty factors to estimate the initiation and the rate of corrosion and to …

[HTML][HTML] An efficient and economical repair strategy for life cycle cost assessment of RC structure deteriorated by chloride attack

H Lee, JK Singh, I Kang, S Yun… - International Journal of …, 2017 - sbt-durabi.org
Structural deterioration is a major problem when it considered for long-term performance.
Maintenance of existing reinforced concrete (RC) structure is a real challenge due to …

Probabilistic lcc evaluation for surface repair of carbonated RC structure

HM Lee, HM Yang, HS Lee - Journal of the Architectural Institute of …, 2018 - koreascience.kr
Carbonation is one of the major detrimental factors to the reinforced concrete structures
owing to penetration of atmospheric CO2 through the micro pores, thereby it reduces the …

Maintenance for repaired RC column exposed to chloride attack based on probability distribution of service life

SH Jung, HM Yang, KH Yang, SJ Kwon - International Journal of Concrete …, 2018 - Springer
Chloride attack is one of the most critical deterioration due to rapid corrosion initiation and
propagation which can cause structural safety problem. Extended service life through …

Stochastic model for service life prediction of RC structures exposed to carbonation using random field simulation

UJ Na, SJ Kwon, SR Chaudhuri… - KSCE Journal of Civil …, 2012 - Springer
Abstract Deterioration of Reinforced Concrete (RC) structures is related to the corrosion of
reinforcement since it propagates to structural degradation. In urban or underground …