The dynamic and earthquake response of bell towers,located at the Island of Kefalonia,Greece,is examined here.These structures were subjected during the winter of 2014 with an intensive earthquake sequence.The dynamic...The dynamic and earthquake response of bell towers,located at the Island of Kefalonia,Greece,is examined here.These structures were subjected during the winter of 2014 with an intensive earthquake sequence.The dynamic characteristics of two bell towers were measured in situ.Subsequently the dynamic and earthquake response of each bell tower was numerically simulated employing 3-D dynamic elastic numerical simulations taking into account the soil-foundation deformability.It is demonstrated that the soil-foundation-structure interaction influences the dynamic and earthquake response predictions for this structure quite significantly.It also demonstrates the usefulness of such in-situ testing towards formulating realistic numerical models in order to yield realistic predictions of the dynamic and earthquake response of the examined structures.The obtained numerical analyses utilize the earthquake ground motion which was recorded at close distance from both bell towers.The numerical predictions of the earthquake response of both bell towers are utilized to draw conclusions of their actual earthquake performance.It is concluded that the soil-foundation interaction was a critical response mechanism.The newly built RC(reinforced concrete)bell towers performed satisfactorily.展开更多
文摘The dynamic and earthquake response of bell towers,located at the Island of Kefalonia,Greece,is examined here.These structures were subjected during the winter of 2014 with an intensive earthquake sequence.The dynamic characteristics of two bell towers were measured in situ.Subsequently the dynamic and earthquake response of each bell tower was numerically simulated employing 3-D dynamic elastic numerical simulations taking into account the soil-foundation deformability.It is demonstrated that the soil-foundation-structure interaction influences the dynamic and earthquake response predictions for this structure quite significantly.It also demonstrates the usefulness of such in-situ testing towards formulating realistic numerical models in order to yield realistic predictions of the dynamic and earthquake response of the examined structures.The obtained numerical analyses utilize the earthquake ground motion which was recorded at close distance from both bell towers.The numerical predictions of the earthquake response of both bell towers are utilized to draw conclusions of their actual earthquake performance.It is concluded that the soil-foundation interaction was a critical response mechanism.The newly built RC(reinforced concrete)bell towers performed satisfactorily.
基金社科基金冷门绝学团队项目“敦煌壁画外来图像文明属性研究”(20VJXT014)高等学校学科创新引智基地计划资助(Supported by the Project 111)“长安与丝路文化传播学科创新引智基地”(B1803)阶段性成果陕西省石窟寺保护研究中心开放课题“唐长安对敦煌石窟影响研究”(C2021-003)。
