A new damage index for reinforced concrete structures subjected to seismic loads

V. Cao Van; H. Ronagh; M. Ashraf; H. Baji

A new damage index for reinforced concrete structures subjected to seismic loads

V. Cao Van, H. Ronagh, M. Ashraf, H. Baji

Western Sydney University

Research output: Chapter in Book / Conference Paper › Conference Paper › peer-review

Abstract

![CDATA[Reinforced concrete structures are likely to experience some damage when subjected to earthquake loading. Damage index is a well accepted way of expressing the extent of damage and is widely used by researchers. Last few decades have seen many concepts for calibrating an appropriate damage index being proposed. This paper presents a detailed review of available concepts by classifying those into two broad categories: non-cumulative and cumulative. Non-cumulative indices do not include the effects of cyclic loading, whilst the cumulative indices are rather more rational. It is however observed that most of the existing damage indices are unable to accurately describe the state of damage of reinforced concrete structures. An ideal damage index should vary within a scale of 0 to 1 with 0 being the state of elastic response whilst 1 should refer to collapse; most of the existing damage indices do not satisfy this criteria. A new damage index based on the hysteretic energy is proposed herein and its performance is compared against the widely accepted concept proposed by Park and Ang (1985) in the case of a column subjected to compulsive cyclic displacement at top. The proposal is still at preliminary stage but it meets the essential criteria for a damage index.]]

Original language	English
Title of host publication	Proceedings of the First International Postgraduate Conference on Engineering, Designing and Developing the Built Environment for Sustainable Wellbeing, 27-29 April, Brisbane, Queensland
Publisher	Queensland University of Technology
Pages	194-199
Number of pages	6
ISBN (Print)	9780980582741
Publication status	Published - 2011
Event	International Postgraduate Conference on Engineering_Designing and Developing the Built Environment for Sustainable Wellbeing - Duration: 27 Apr 2016 → …

Conference

Conference	International Postgraduate Conference on Engineering_Designing and Developing the Built Environment for Sustainable Wellbeing
Period	27/04/16 → …

Keywords

earthquakes
reinforced concrete
buildings
structures
damage index
seismic load

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Cite this

Cao Van, V., Ronagh, H., Ashraf, M., & Baji, H. (2011). A new damage index for reinforced concrete structures subjected to seismic loads. In Proceedings of the First International Postgraduate Conference on Engineering, Designing and Developing the Built Environment for Sustainable Wellbeing, 27-29 April, Brisbane, Queensland (pp. 194-199). Queensland University of Technology.

Cao Van, V. ; Ronagh, H. ; Ashraf, M. et al. / A new damage index for reinforced concrete structures subjected to seismic loads. Proceedings of the First International Postgraduate Conference on Engineering, Designing and Developing the Built Environment for Sustainable Wellbeing, 27-29 April, Brisbane, Queensland. Queensland University of Technology, 2011. pp. 194-199

@inproceedings{ea60cae37db94fa9b3501a092d7af3ad,

title = "A new damage index for reinforced concrete structures subjected to seismic loads",

abstract = "![CDATA[Reinforced concrete structures are likely to experience some damage when subjected to earthquake loading. Damage index is a well accepted way of expressing the extent of damage and is widely used by researchers. Last few decades have seen many concepts for calibrating an appropriate damage index being proposed. This paper presents a detailed review of available concepts by classifying those into two broad categories: non-cumulative and cumulative. Non-cumulative indices do not include the effects of cyclic loading, whilst the cumulative indices are rather more rational. It is however observed that most of the existing damage indices are unable to accurately describe the state of damage of reinforced concrete structures. An ideal damage index should vary within a scale of 0 to 1 with 0 being the state of elastic response whilst 1 should refer to collapse; most of the existing damage indices do not satisfy this criteria. A new damage index based on the hysteretic energy is proposed herein and its performance is compared against the widely accepted concept proposed by Park and Ang (1985) in the case of a column subjected to compulsive cyclic displacement at top. The proposal is still at preliminary stage but it meets the essential criteria for a damage index.]]",

keywords = "earthquakes, reinforced concrete, buildings, structures, damage index, seismic load",

author = "{Cao Van}, V. and H. Ronagh and M. Ashraf and H. Baji",

year = "2011",

language = "English",

isbn = "9780980582741",

pages = "194--199",

booktitle = "Proceedings of the First International Postgraduate Conference on Engineering, Designing and Developing the Built Environment for Sustainable Wellbeing, 27-29 April, Brisbane, Queensland",

publisher = "Queensland University of Technology",

note = "International Postgraduate Conference on Engineering_Designing and Developing the Built Environment for Sustainable Wellbeing ; Conference date: 27-04-2016",

}

Cao Van, V, Ronagh, H, Ashraf, M & Baji, H 2011, A new damage index for reinforced concrete structures subjected to seismic loads. in Proceedings of the First International Postgraduate Conference on Engineering, Designing and Developing the Built Environment for Sustainable Wellbeing, 27-29 April, Brisbane, Queensland. Queensland University of Technology, pp. 194-199, International Postgraduate Conference on Engineering_Designing and Developing the Built Environment for Sustainable Wellbeing, 27/04/16.

A new damage index for reinforced concrete structures subjected to seismic loads. / Cao Van, V.; Ronagh, H.; Ashraf, M. et al.
Proceedings of the First International Postgraduate Conference on Engineering, Designing and Developing the Built Environment for Sustainable Wellbeing, 27-29 April, Brisbane, Queensland. Queensland University of Technology, 2011. p. 194-199.

Research output: Chapter in Book / Conference Paper › Conference Paper › peer-review

TY - GEN

T1 - A new damage index for reinforced concrete structures subjected to seismic loads

AU - Cao Van, V.

AU - Ronagh, H.

AU - Ashraf, M.

AU - Baji, H.

PY - 2011

Y1 - 2011

N2 - ![CDATA[Reinforced concrete structures are likely to experience some damage when subjected to earthquake loading. Damage index is a well accepted way of expressing the extent of damage and is widely used by researchers. Last few decades have seen many concepts for calibrating an appropriate damage index being proposed. This paper presents a detailed review of available concepts by classifying those into two broad categories: non-cumulative and cumulative. Non-cumulative indices do not include the effects of cyclic loading, whilst the cumulative indices are rather more rational. It is however observed that most of the existing damage indices are unable to accurately describe the state of damage of reinforced concrete structures. An ideal damage index should vary within a scale of 0 to 1 with 0 being the state of elastic response whilst 1 should refer to collapse; most of the existing damage indices do not satisfy this criteria. A new damage index based on the hysteretic energy is proposed herein and its performance is compared against the widely accepted concept proposed by Park and Ang (1985) in the case of a column subjected to compulsive cyclic displacement at top. The proposal is still at preliminary stage but it meets the essential criteria for a damage index.]]

AB - ![CDATA[Reinforced concrete structures are likely to experience some damage when subjected to earthquake loading. Damage index is a well accepted way of expressing the extent of damage and is widely used by researchers. Last few decades have seen many concepts for calibrating an appropriate damage index being proposed. This paper presents a detailed review of available concepts by classifying those into two broad categories: non-cumulative and cumulative. Non-cumulative indices do not include the effects of cyclic loading, whilst the cumulative indices are rather more rational. It is however observed that most of the existing damage indices are unable to accurately describe the state of damage of reinforced concrete structures. An ideal damage index should vary within a scale of 0 to 1 with 0 being the state of elastic response whilst 1 should refer to collapse; most of the existing damage indices do not satisfy this criteria. A new damage index based on the hysteretic energy is proposed herein and its performance is compared against the widely accepted concept proposed by Park and Ang (1985) in the case of a column subjected to compulsive cyclic displacement at top. The proposal is still at preliminary stage but it meets the essential criteria for a damage index.]]

KW - earthquakes

KW - reinforced concrete

KW - buildings

KW - structures

KW - damage index

KW - seismic load

UR - http://handle.uws.edu.au:8081/1959.7/uws:34315

UR - https://eprints.usq.edu.au/21452/3/eddBE2011.pdf

M3 - Conference Paper

SN - 9780980582741

SP - 194

EP - 199

BT - Proceedings of the First International Postgraduate Conference on Engineering, Designing and Developing the Built Environment for Sustainable Wellbeing, 27-29 April, Brisbane, Queensland

PB - Queensland University of Technology

T2 - International Postgraduate Conference on Engineering_Designing and Developing the Built Environment for Sustainable Wellbeing

Y2 - 27 April 2016

ER -

A new damage index for reinforced concrete structures subjected to seismic loads

Abstract

Conference

Keywords

UN SDGs

Other files and links

Fingerprint

Cite this