Development and testing of dissipative anchor devices for the seismic protection of heritage buildings


Paganoni, S. and D'Ayala, D., 2009. Development and testing of dissipative anchor devices for the seismic protection of heritage buildings. In: ANCER Workshop 2009, 2009-08-13 - 2009-08-14.

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The paper focuses on the development and testing of two dissipative devices conceived to address the technological gap deriving from the lack of passive systems specifically designed for the seismic protection of heritage buildings. The article briefly introduces the case for the research, starting from a review of the state of art, and then outlines the development of two prototypes, one based on the plastic behaviour of steel and the other relying on friction. Both devices are designed to be integrated in steel anchors for the repair of masonry and mainly aim to prevent and reduce the out-of-plane damage as well as meet requirements of low impact and reduced maintenance, accordingly to current criteria for the retrofit of heritage buildings. The prototypes has undergone two testing sessions, the first consisting of pseudo-static cyclic tests for proofing and fine tuning of the device design, the following involving dynamic cyclic tests for the validation of the prototypes in terms of stability of dissipating loops, independence from exciting frequencies and amplitude of cycles. Results of both sessions are discussed in terms of dissipated energy, achieved displacement and percentage of reduction in force transmitted across the device, consistently with a performance-based approach. The results are summarised highlighting their consistency with prescription of main European codes for the seismic protection of historic structures. The need for further theoretical work concludes the paper.


Item Type Conference or Workshop Items (Paper)
CreatorsPaganoni, S.and D'Ayala, D.
DepartmentsFaculty of Engineering & Design > Architecture & Civil Engineering
Research CentresBRE Centre in Innovative Construction Materials
ID Code18648
Additional InformationAsian-Pacific Network of Centers for Earthquake Engineering Research (ANCER)


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