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Published January 1, 2025 | Version v1
Journal article Open

Ground failures and foundation performances in Adıyaman-Gölbaşı following the 6 February 2023 Kahramanmaraş-Türkiye Earthquake Sequence

Creators

  • 1. Middle East Tech Univ, Dept Civil Engn, TR-06800 Ankara, Turkiye
  • 2. Portland State Univ, Dept Civil & Environm Engn, Portland, OR USA
  • 3. Istanbul Bilgi Univ, Dept Civil Engn, Istanbul, Turkiye
  • 4. Prov Bank, Ankara, Turkiye
  • 5. Hacettepe Univ, Dept Civil Engn, Ankara, Turkiye
  • 6. Gazi Univ, Dept Civil Engn, Fac Technol, Ankara, Turkiye
  • 7. Gazi Univ, Fac Engn, Dept Civil Engn, Ankara, Turkiye
  • 8. Georgia Inst Technol, Sch Civil & Environm Engn, Atlanta, GA USA
  • 9. Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA USA
  • 10. Calif Polytech State Univ San Luis Obispo, Civil & Environm Engn Dept, San Luis Obispo, CA USA
  • 11. Ohio State Univ, Dept Civil Environm & Geodet Engn, Columbus, OH USA
  • 12. Abdullah Gul Univ, Civil Engn Dept, Kayseri, Turkiye
  • 13. UCLA, Civil & Environm Engn Dept, Los Angeles, CA USA

Description

The 6 February 2023 Kahramanmara & scedil;-T & uuml;rkiye earthquake sequence (M7.8 and M7.6) presents an exceptional opportunity to investigate both the effects of local soil conditions on damage patterns under strong shaking conditions and the performance of building foundations in areas that experienced ground failure. The significant ground failure and structural damage in Ad & imath;yaman-G & ouml;lba & scedil;& imath; triggered an intensive series of detailed reconnaissance and field surveys. This article aims to present the resulting database of observations on ground failures, building, and foundation performances. The field reconnaissance of ground failures and their effects on building performances involved aerial and walk-down surveys, including high-quality photographs taken across the town. In addition, data on building damage statistics compiled by the Ministry of Environment, Urbanization, and Climate Change were accessed and analyzed. The subsurface characteristics of the town were characterized using available data from pre-earthquake site investigation campaigns employed for town planning purposes. It is concluded that the ground failures in the town primarily resulted from soil liquefaction and cyclic softening. Most of the poor building and foundation performances and ground failures were documented in the northern part of Atat & uuml;rk Boulevard, closer to the lake of G & ouml;lba & scedil;& imath;, where soil site characteristics were unfavorable. This revealed once again the significant effects of local soil site conditions, particularly soil liquefaction, on the intensified ground failures, foundation, and structural damage levels.

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