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단면복구재로 보수시공한 RC구조물의 염소이온 침투특성에 관한 연구A Study on the Diffusion of Chloride Ion in RC Structure Repaired with Section Restoration Material
- Other Titles
- A Study on the Diffusion of Chloride Ion in RC Structure Repaired with Section Restoration Material
- Issue Date
- Sep-2008
- Publisher
- 대한건축학회
- Keywords
- Section Restoration Method; Repairing Material; Diffusion Coefficient; Chloride Ion; 단면복구공법; 보수재료; 확산계수; 염소이온
- Citation
- 대한건축학회논문집 구조계, v.24, no.9, pp 97 - 104
- Pages
- 8
- Indexed
- KCI
- Journal Title
- 대한건축학회논문집 구조계
- Volume
- 24
- Number
- 9
- Start Page
- 97
- End Page
- 104
- ISSN
- 1226-9107
- Abstract
- Section restoration method is one of the way to extend service year of RC structure. However, even there is a difference of characteristic between concrete and section restoration material, still there is a lack of research. Therefore in this study, chloride diffusion coefficient and concentration are predicted by RCPT and FEM. As a result, diffusion coefficient of section restoration material is 0.44×10-8cm2/sec which is about one-seventh of concrete(3.18×10-8cm²/sec). Also, the result of FEM, un-repaired structure(R=0mm), its service year will be 16years, meanwhile repaired structure can maintain 48years(R=10mm) to over 100years(R=50mm).
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Related Researcher
- Lee, Han Seung
- ERICA 공학대학 (MAJOR IN ARCHITECTURAL ENGINEERING)