Corrosion risk assessment of public buildings affected by the 2004 tsunami in Banda Aceh

M. Ridha, S. Fonna, S. Huzni, Ahmad Kamal Ariffin Mohd Ihsan

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Banda Aceh region has a coastal environment and frequent earthquakes. The 2004 Sumatra tsunami caused many buildings to collapse and became submerged by seawater in the region. Thus, the buildings might become susceptible to corrosion, which will reduce their strength. Consequently, sudden failure might happen when even a small earthquake occurs. This study reports a corrosion risk assessment for some reinforced concrete (RC) public buildings in Banda Aceh region in order to understand how the tsunami has influenced the corrosion risk level. The assessment was performed by using half-cell potential mapping technique. Six buildings were chosen: three existing buildings, two newly constructed buildings in the tsunami-affected area and one building located outside that area. The assessments were carried out from 2009 until mid of 2010. The assessment results indicated that the corrosion risk to the existing buildings were at intermediate to severe level. In addition, newly developed buildings were at intermediate level, while outside building was still at low levels. Those findings showed that the RC buildings around the tsunami-affected area, either existing or new buildings, had become corrosive. Therefore, it is important to conduct regular corrosion assessments to prevent early failure due to the coexistence of rebar corrosion and earthquake.

Original languageEnglish
Article number1350004
JournalJournal of Earthquake and Tsunami
Volume7
Issue number1
DOIs
Publication statusPublished - Mar 2013

Fingerprint

risk assessment
Tsunamis
tsunami
Risk assessment
corrosion
Corrosion
reinforced concrete
earthquake
Earthquakes
earthquakes
Reinforced concrete
coexistence
coastal zone
public building
Concrete buildings
seawater
Seawater

Keywords

  • Aceh
  • Corrosion
  • half-cell potential mapping
  • reinforced concrete
  • tsunami

ASJC Scopus subject areas

  • Geophysics
  • Geotechnical Engineering and Engineering Geology
  • Oceanography

Cite this

Corrosion risk assessment of public buildings affected by the 2004 tsunami in Banda Aceh. / Ridha, M.; Fonna, S.; Huzni, S.; Mohd Ihsan, Ahmad Kamal Ariffin.

In: Journal of Earthquake and Tsunami, Vol. 7, No. 1, 1350004, 03.2013.

Research output: Contribution to journalArticle

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