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اولین همایش بین المللی مهندسی زلزله و ژئوتکنیک لرزه ای
A Survey on dynamic characteristics of Saint Thaddeus church structure and site based on microtremor measurements
A Survey on dynamic characteristics of Saint Thaddeus church structure and site based on microtremor measurements
نویسندگان :
Mohammad Amin Javan ( Azarbaijan Shahid Madani University ) , Mohammadreza Seify Asghshahr ( Assistant Professor, Department of Civil Engineering, Azarbaijan Shahid Madani University ) , Hossein Soltani Jigeh ( Associate Professor, Department of Civil Engineering, Azarbaijan Shahid Madani University ) , Jafar Karashi ( Azarbaijan Shahid Madani University )
کلید واژه ها :
Microtremor, Dominant frequency, H/V method, Four-spectral method
چکیده مقاله :
In this study, dynamic characteristics of the structure and site of St. Thaddeus Church were determined by using microtremor measurements. Nine points were selected for measuring microtremors in the church building, including one point in the basement of the church. Due to the poor quality of the results obtained in three points measured in the churchyard, the analyses were performed using the H/V method based on six other points. As a result, the dominant frequency of the site was obtained equals to 6.5Hz. Due to the limitation of measuring microtremors on the roof of the church, three points were chosen on the two domes of the church. Data were analyzed by using H/V method and four-spectral method. Based on the H/V method, the dominant frequency of the church structure was determined 9.43 Hz in the north-south direction, and 9.03 Hz in the east-west direction. Also, based on the four-spectrum method, the dominant frequency of the structure was 8.75 Hz in both directions. According to the results, the site soil assessed as hard alluvium.
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