Damage to residential retaining walls at the Genkai-jima Island induced by the 2005 Fukuoka-ken Seiho-oki earthquake

Taizo Kobayashi, Kouki Zen, Noriyuki Yasufuku, Hideo Nagase, Guangqi Chen, Kiyonobu Kasama, Akihiko Hlrooka, Hiromu Wada, Yuji Onoyama, Hiroshi Uchida

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The 2005 Fukuoka-ken Seiho-oki earthquake caused heavy damage to residential areas at the Genkai-jima Island. A field survey was carried out to investigate the damage of retaining walls in the residential areas. From the survey of 218 retaining walls, it appeared that 83% of the retaining walls were damaged and 61% of the whole lost their functions (collapsed or distorted/cracked). Especially in masonry retaining walls using natural rocks and boulders, the damage was serious. The damage features of dry masonry retaining walls (collapsed: 62%) and wet masonry retaining walls (collapsed: 25%) were different, and the difference in the earthquake-resistant capacity between the two retaining walls became obvious. Moreover, it appeared that most of the residential houses are built on transitions of cut slopes and fill embankments. It seems that this condition is one of a great factor which causes the heavy damage. Only 17% of the retaining walls escaped from any damage. Furthermore, to evaluate the collapse mechanism of masonry retaining walls during earthquake, a theoretical model based on the earth pressure theory was proposed. Through the theoretical considerations, it became possible to quantitatively evaluate the stability of the masonry retaining walls.

Original languageEnglish
Pages (from-to)793-804
Number of pages12
JournalSoils and Foundations
Volume46
Issue number6
Publication statusPublished - 2006

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Retaining walls
retaining wall
Earthquakes
earthquake
damage
masonry
earth pressure
Embankments
embankment
field survey
fill
Earth (planet)
Rocks

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology

Cite this

Damage to residential retaining walls at the Genkai-jima Island induced by the 2005 Fukuoka-ken Seiho-oki earthquake. / Kobayashi, Taizo; Zen, Kouki; Yasufuku, Noriyuki; Nagase, Hideo; Chen, Guangqi; Kasama, Kiyonobu; Hlrooka, Akihiko; Wada, Hiromu; Onoyama, Yuji; Uchida, Hiroshi.

In: Soils and Foundations, Vol. 46, No. 6, 2006, p. 793-804.

Research output: Contribution to journalArticle

Kobayashi, T, Zen, K, Yasufuku, N, Nagase, H, Chen, G, Kasama, K, Hlrooka, A, Wada, H, Onoyama, Y & Uchida, H 2006, 'Damage to residential retaining walls at the Genkai-jima Island induced by the 2005 Fukuoka-ken Seiho-oki earthquake', Soils and Foundations, vol. 46, no. 6, pp. 793-804.
Kobayashi, Taizo ; Zen, Kouki ; Yasufuku, Noriyuki ; Nagase, Hideo ; Chen, Guangqi ; Kasama, Kiyonobu ; Hlrooka, Akihiko ; Wada, Hiromu ; Onoyama, Yuji ; Uchida, Hiroshi. / Damage to residential retaining walls at the Genkai-jima Island induced by the 2005 Fukuoka-ken Seiho-oki earthquake. In: Soils and Foundations. 2006 ; Vol. 46, No. 6. pp. 793-804.
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AU - Nagase, Hideo

AU - Chen, Guangqi

AU - Kasama, Kiyonobu

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