Pushover Analysis Method of Cable sliding Friction Aseismic Bearing Bridges

doi:10.11908/j.issn.0253-374x.2015.05.004

Home > Archive>Volume 43, Issue 5, 2015 >0668-0675. DOI:10.11908/j.issn.0253-374x.2015.05.004

Pushover Analysis Method of Cable sliding Friction Aseismic Bearing Bridges
DOI:
                        10.11908/j.issn.0253-374x.2015.05.004
                    
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                        CAO SasaCAO Sasa
State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China;College of Civil Engineering, Guangzhou University, Guangzhou 510006, China
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YUAN WanchengYUAN Wancheng
State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China
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Clc Number:U442.5+5
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Abstract:

An adaptive mass proportional pushover(AMPP) analysis method is proposed for pushover analysis of aseismic bridges with cable sliding friction bearing. Compared with modal pushover analysis(MPA) and first mode pushover analysis(Po 1) method, the applicability and effectivity of AMPP method for seismic performance evaluation of aseismic bridges with cable sliding friction bearing are studied. It turns out that pushover analysis method can be applied to evaluate seismic performance responses of aseismic bridges with cable sliding friction bearing. Compared with Po 1 and MPA, AMPP can lead to the attainment of improved predictions of key response parameters. MPA provides a good estimation for internal forces of substructure elements.

Key words:aseismic bridges with cable sliding friction bearing; adaptive mass proportional pushover(AMPP) analysis method; modal pushover analysis(MPA); cable stayed bridge

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CAO Sasa, YUAN Wancheng. Pushover Analysis Method of Cable sliding Friction Aseismic Bearing Bridges[J].同济大学学报(自然科学版),2015,43(5):0668~0675

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Received:April 30,2014
Revised:February 05,2015
Adopted:December 01,2014
Online: May 29,2015
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