Journal of Seismology and Earthquake Engineering

Journal of Seismology and Earthquake Engineering

The Main Reasons for Great Damages of Reinforced Concrete Buildings on 12th November 2017, Sarpol-e Zahab Earthquake

Document Type : Structural Earthquake Engineering

Authors
Mohammad Ghasem Vetr
Mahdi Saeidian
Aran Naserpour
International Institute of Earthquake Engineering and Seismology (IIEES)
10.48303/jsee.2018.240781
Abstract
Reinforced concrete multistory buildings in Kermanshah Province, Iran, have been subjected to a strong ground motion during Sarpol-e Zahab earthquake ofNovember 12, 2017. A wide number of Reinforced concrete buildings have beendamaged in this earthquake. It has been observed that the principal reasons forthe failure are the poor quality of construction materials and defects in theimplementation of structural components. Some common imperfections wereshort columns in the stair-boxes, insufficient reinforcements at the concrete joints, inappropriate bends and splice of rebar, wide spacing of transverse reinforcements, inaccuracy in concrete mixing plans, and lack of conjunction between structural and nonstructural members. This investigation is based on the observations of IIEES reconnaissance team. The main objective of this research is to evaluate the seismic performance of reinforced concrete multistory buildings during the Sarpol-e Zahab earthquake and vulnerability assessments of important multistory reinforced concrete structures such as Mehr buildings of Sarpol-e Zahab, Eslamabad-e Gharb, and Imam Khomeini hospital in Eslamabad-e Gharb, Kermanshah Province.
Keywords
Sarpol-e Zahab earthquake
Reinforced concrete buildings
Seismic Performance
Vulnerability assessment
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  • Receive Date 30 December 2017
  • Accept Date 26 December 2020
  • Publish Date 01 July 2018