#7469. Seismic performance assessment of a super high-rise twin-tower structure connected with rotational friction negative stiffness damper and lead rubber bearing

October 2026publication date
Proposal available till 18-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Civil and Structural Engineering;
Geotechnical Engineering and Engineering Geology;
Soil Science;
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Abstract:
In this paper, a novel rotational friction negative stiffness damper (RFNSD) composed of negative stiffness device (NSD) and rotational friction dampers (RFDs) is proposed to develop flexible connection for improving the seismic performance of an asymmetrical super high-rise twin-tower connected structure. The prototype structure is rigidly connected by long-span steel truss, and shaking table test has shown that the rigid connection between the towers and the truss corridor generally cause buckling of steel truss members and structural damage on the connected floors.
Keywords:
Lead rubber bearing; Negative stiffness device; Rotational friction damper; Seismic performance; Steel truss connection corridor; Super high-rise connected structure

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