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Uplifting Slide Bearing (2) – Verification Tests of Seismic Response –

 Uplifting Slide Bearing (2) – Verification Tests of Seismic Response –
Author(s): , , , ,
Presented at IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, published in , pp. 744-745
DOI: 10.2749/222137810796063625
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A new type of slide bearing characterized by horizontal and inclined sliding surfaces was developed. With the application of this bearing, which will be referred to as Uplifting Slide Bearing, gird...
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Bibliographic Details

Author(s):





Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Published in:
Page(s): 744-745 Total no. of pages: 8
Page(s): 744-745
Total no. of pages: 8
Year: 2010
DOI: 10.2749/222137810796063625
Abstract:

A new type of slide bearing characterized by horizontal and inclined sliding surfaces was developed. With the application of this bearing, which will be referred to as Uplifting Slide Bearing, girders are allowed to move on the horizontal sliding surface during temperature changes while sliding takes place on the inclined sliding surface for large displacement response in case of strong earthquakes. The kinetic energy of the superstructure will be transformed to the gravitational potential energy during the sliding on the inclined sliding surfaces, thus controlling the seismic response and the distribution of inertia force. In order to evaluate the influence of this impact, component tests as well as shaking table tests using a shaking table were performed. As a result, we could verify the characteristic of a collision at the beginning of the inclined sliding surface.

Keywords:
seismic response seismic isolation shaking table test bearing continuous girder friction impact load component test slide potential energy