Experimental investigation of the behavior of RC bridge piers subjected to horizontal and vertical earthquake motion

Sung Jig Kim; Curtis J. Holub; Amr S. Elnashai

doi:10.1016/j.engstruct.2011.03.013

Experimental investigation of the behavior of RC bridge piers subjected to horizontal and vertical earthquake motion

Sung Jig Kim, Curtis J. Holub, Amr S. Elnashai

College of Engineering

Research output: Contribution to journal › Article › peer-review

83 Scopus citations

Abstract

This paper presents an experimental program aimed at assessing the effect of vertical earthquake ground motion on reinforced concrete bridge piers. The program comprised testing of four large scale piers by utilizing the Multi-Axial Full-Scale Sub-Structured Testing and Simulation (MUST-SIM) facility at the University of Illinois. Two hybrid analytical-experimental simulations were used to experimentally investigate the effects of vertical ground motion on pier loading and behavior. Two additional cyclic tests were conducted to allow direct comparison of pier response under tension to pier response under compression. Detail aspects of the experimental framework including a substructuring scheme, analytical representation of structure, test specimen design and advanced measurement system are provided. The observations and interpretation of experimental results, including the impact on both global and local behavior, are discussed. It is concluded that vertical ground motion can significantly impact Reinforced Concrete (RC) pier behavior and failure mode.

Original language	English (US)
Pages (from-to)	2221-2235
Number of pages	15
Journal	Engineering Structures
Volume	33
Issue number	7
DOIs	https://doi.org/10.1016/j.engstruct.2011.03.013
State	Published - Jul 2011

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering

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10.1016/j.engstruct.2011.03.013

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title = "Experimental investigation of the behavior of RC bridge piers subjected to horizontal and vertical earthquake motion",

abstract = "This paper presents an experimental program aimed at assessing the effect of vertical earthquake ground motion on reinforced concrete bridge piers. The program comprised testing of four large scale piers by utilizing the Multi-Axial Full-Scale Sub-Structured Testing and Simulation (MUST-SIM) facility at the University of Illinois. Two hybrid analytical-experimental simulations were used to experimentally investigate the effects of vertical ground motion on pier loading and behavior. Two additional cyclic tests were conducted to allow direct comparison of pier response under tension to pier response under compression. Detail aspects of the experimental framework including a substructuring scheme, analytical representation of structure, test specimen design and advanced measurement system are provided. The observations and interpretation of experimental results, including the impact on both global and local behavior, are discussed. It is concluded that vertical ground motion can significantly impact Reinforced Concrete (RC) pier behavior and failure mode.",

author = "Kim, {Sung Jig} and Holub, {Curtis J.} and Elnashai, {Amr S.}",

note = "Funding Information: The work presented in this paper was supported through a NEESR-SG project (Seismic Simulation and Design of Bridge Columns under Combined Actions and Implications on System Response) funded by the National Science Foundation (NSF) under Award Number CMMI-0530737 and by the Mid-America Earthquake Center funded by the NSF under Award Number EEC-9701785 . ",

year = "2011",

month = jul,

doi = "10.1016/j.engstruct.2011.03.013",

language = "English (US)",

volume = "33",

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journal = "Engineering Structures",

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AU - Kim, Sung Jig

AU - Holub, Curtis J.

AU - Elnashai, Amr S.

N1 - Funding Information: The work presented in this paper was supported through a NEESR-SG project (Seismic Simulation and Design of Bridge Columns under Combined Actions and Implications on System Response) funded by the National Science Foundation (NSF) under Award Number CMMI-0530737 and by the Mid-America Earthquake Center funded by the NSF under Award Number EEC-9701785 .

PY - 2011/7

Y1 - 2011/7

N2 - This paper presents an experimental program aimed at assessing the effect of vertical earthquake ground motion on reinforced concrete bridge piers. The program comprised testing of four large scale piers by utilizing the Multi-Axial Full-Scale Sub-Structured Testing and Simulation (MUST-SIM) facility at the University of Illinois. Two hybrid analytical-experimental simulations were used to experimentally investigate the effects of vertical ground motion on pier loading and behavior. Two additional cyclic tests were conducted to allow direct comparison of pier response under tension to pier response under compression. Detail aspects of the experimental framework including a substructuring scheme, analytical representation of structure, test specimen design and advanced measurement system are provided. The observations and interpretation of experimental results, including the impact on both global and local behavior, are discussed. It is concluded that vertical ground motion can significantly impact Reinforced Concrete (RC) pier behavior and failure mode.

AB - This paper presents an experimental program aimed at assessing the effect of vertical earthquake ground motion on reinforced concrete bridge piers. The program comprised testing of four large scale piers by utilizing the Multi-Axial Full-Scale Sub-Structured Testing and Simulation (MUST-SIM) facility at the University of Illinois. Two hybrid analytical-experimental simulations were used to experimentally investigate the effects of vertical ground motion on pier loading and behavior. Two additional cyclic tests were conducted to allow direct comparison of pier response under tension to pier response under compression. Detail aspects of the experimental framework including a substructuring scheme, analytical representation of structure, test specimen design and advanced measurement system are provided. The observations and interpretation of experimental results, including the impact on both global and local behavior, are discussed. It is concluded that vertical ground motion can significantly impact Reinforced Concrete (RC) pier behavior and failure mode.

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Experimental investigation of the behavior of RC bridge piers subjected to horizontal and vertical earthquake motion

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