Korkmaz, Serra ZerrinKorkmaz, Hasan Husnu2020-03-262020-03-262013978-3-03785-771-71022-6680https://dx.doi.org/10.4028/www.scientific.net/AMR.747.437https://hdl.handle.net/20.500.12395/299554th International Conference on Multi-Functional Materials and Structures (MFMS 2013) -- JUL 14-17, 2013 -- King Mongkut's Univ Technol Thonburi, Bangkok, THAILANDIn the last decade, the earthquakes in Turkey caused thousands of loss of life. The most unfortunate case was happened in 1999 Marmara earthquake and more than 20000 people lost their life. Recently an earthquake of magnitude 7.2 occurred in Van city and 600 dead toll was reported. Following the earthquake, the author was visited the earthquake region. In this study field reconnaissance survey the causes of failures observed on reinforced concrete (RC) structures were summarized. The main problem was the construction quality especially the concrete production process. The steel detailing was also a big problem for the region. The failed or damaged buildings were included several non-seismic details. The observed problems of damaged or collapsed buildings were short column formations, soft or weak stories, inadequate lateral confinements reinforcement, use of plain undeformed bars, poor material and concrete quality, lap spilice problems, strong beam-weak columns and weak beam-column joints.en10.4028/www.scientific.net/AMR.747.437info:eu-repo/semantics/closedAccessReinforced concreteearthquakestructural failuresimproper concretestructural performanceConference Object747437+N/AWOS:000336185200101N/A