Earthquake protection of the Torre Grossa medieval tower of San Gimignano, Italy by vertical external prestressing

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• 作者：Adolfo Preciado^a ; ^{adolfopreciado@iteso.mx} ; Gianni Bartoli^b ; ^{gianni.bartoli@unifi.it} ; Alejandro Ramí ; rez-Gaytá ; n^c ; ^{l7m8s3r@gmail.com}
• 关键词：Earthquake hazard ; Medieval towers ; Historical masonry ; Nonlinear assessment ; Seismic retrofitting ; FRP prestressing
• 刊名：Engineering Failure Analysis
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：71
• 期：Complete
• 页码：31-42
• 全文大小：1433 K
• 卷排序：71

文摘

Application of two seismic assessment approaches on a medieval Italian tower. Main failure modes are representative of bell towers with large openings. Experimental, historical and structural data for calibration of 3D FE models. Seismic retrofitting by two prestressing levels and one removable FRP device. Medium prestressing is the optimum level for attaining EQ energy dissipation.