Shaking table tests of bridge model with sliding friction isolation bearings - 文章详情页

作者：

Wen, J. (Wen, J..) | Li, H. (Li, H..) | Han, Q. (Han, Q..) (学者：韩强) | Du, X. (Du, X..)

收录：

Scopus PKU CSCD

摘要：

Sliding　friction　isolation　bearing　has　good　capacity　of　energy　dissipation,　large　horizontal　displacement　and　durability,　providing　a　new　approach　for　the　seismic　isolation　design　of　bridge.　In　this　paper,　shaking　table　tests　of　bridge　model　with　a　friction　pendulum　bearing,　double　concave　friction　pendulum　bearing,　multi-spherical　sliding　friction　bearing　were　conducted.　By　observing　and　measuring　the　displacements,　accelerations　and　other　reactions　of　bridge　model,　the　response　characteristics　and　isolation　effect　of　the　bridge　with　three　sliding　friction　bearings　were　obtained,　the　results　that　isolation　bearing　can　reduce　the　impact　of　earthquakes　on　the　superstructure　of　the　bridge　effectively　were　illustrated.　And　the　self-vibration　period　of　the　bridge　with　sliding　friction　isolation　is　only　relevant　with　the　friction　coefficient　and　the　equivalent　radius　of　curvature　of　the　isolation　bearing.

关键词：

Bridge model; Equivalent radius of curvature; Isolation effect; Shaking table test; Sliding friction isolation bearing

作者机构：

[ 1 ] [Wen, J.]Key Laboratory of Urban Security and Disaster Engineering of MOE, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Li, H.]Key Laboratory of Urban Security and Disaster Engineering of MOE, Beijing University of Technology, Beijing, 100124, China
[ 3 ] [Han, Q.]Key Laboratory of Urban Security and Disaster Engineering of MOE, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Du, X.]Key Laboratory of Urban Security and Disaster Engineering of MOE, Beijing University of Technology, Beijing, 100124, China

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