SHAKING TABLE TEST STUDY ON THE NEW ROCKING SELF-CENTERING BRIDGE PIERS

HUANG Lin; GUO Zhan; CHEN Yu; HE Kang

doi:10.13204/j.gyjzG201906300001

Volume 50 Issue 9

Nov. 2020

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HUANG Lin, GUO Zhan, CHEN Yu, HE Kang. SHAKING TABLE TEST STUDY ON THE NEW ROCKING SELF-CENTERING BRIDGE PIERS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 83-88,117. doi: 10.13204/j.gyjzG201906300001

Citation:

HUANG Lin, GUO Zhan, CHEN Yu, HE Kang. SHAKING TABLE TEST STUDY ON THE NEW ROCKING SELF-CENTERING BRIDGE PIERS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 83-88,117. doi: 10.13204/j.gyjzG201906300001

HUANG Lin, GUO Zhan, CHEN Yu, HE Kang. SHAKING TABLE TEST STUDY ON THE NEW ROCKING SELF-CENTERING BRIDGE PIERS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 83-88,117. doi: 10.13204/j.gyjzG201906300001

Citation:

HUANG Lin, GUO Zhan, CHEN Yu, HE Kang. SHAKING TABLE TEST STUDY ON THE NEW ROCKING SELF-CENTERING BRIDGE PIERS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 83-88,117. doi: 10.13204/j.gyjzG201906300001

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SHAKING TABLE TEST STUDY ON THE NEW ROCKING SELF-CENTERING BRIDGE PIERS

doi: 10.13204/j.gyjzG201906300001

HUANG Lin¹,
GUO Zhan²,
CHEN Yu^{2
,
,},
HE Kang²

1. School of Urban Construction, Yangtze University, Jingzhou 434023, China;
2. College of Civil Engineering, Fuzhou University, Fuzhou 350118, China

Received Date: 2020-02-13
Publish Date: 2020-11-23

Abstract

Abstract

To explore the seismic response and effects of isolation of the rocking self-centering bridge piers, two kinds of bridge piers which are called the high damping rubber pads pier and the reset springs pier were proposed. The shaking table test models of bridge piers were made a 1∶15 similar proportion and the seismic response and effects of isolation of two kinds of bridge piers were analyzed in comparison with traditional railway gravity bridge piers. The test results showed that the maximum values of the acceleration on the top and the stress in the bottom of two kinds of new rocking self-centering bridge piers were remarkably decreased in comparison with traditional railway gravity bridge piers under different seismic intensities, and the damage to bridge piers caused by earthquake was reduced, thus, the new rocking self-centering bridge piers had evident effects of isolation. But at the same time, the horizontal displacement on the top of bridge piers would increase correspondingly and the value of displacement was closely related to the stiffness of the restraint parts. In comparison with the rocking self-centering pier with the self-centering springs, the rocking self-centering pier with high damping rubber pads not only could reduce the acceleration and stress response by lift reaction and energy dissipation, but also could control the values of horizontal displacement on the top of bridge piers. Therefore, it was a reasonable structure form of rocking self-centering bridge piers.
- new rocking self-centering bridge piers,
- shaking table test,
- seismic response,
- the effects of isolation

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References(16)

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