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Geological and Mining Engineering

Geological and Mining Engineering (GME), published by Scineer Publishing PTE. LTD, is an open-access journal. GME is devoted to publish geological and mining engineering related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on geological and mining engineering throughout the world. GME welcomes all original

ISSN: 3029-1887(P)

3029-2034(O)

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Food Safety and Quality

Food Safety and Quality (FSQ), published by Scineer Publishing PTE. LTD, is an open-access journal. FSQ is devoted to publish food safety and quality related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on food safety and quality throughout the world. FSQ welcomes all original manuscripts that do not be published in any other journals.

ISSN: 3029-2115(P)

3029-2123(O)

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Hydraulic Engineering and Power Research

Hydraulic Engineering and Power Research (HEPR), published by Scineer Publishing PTE. LTD, is an open-access journal. HEPR is devoted to publish hydraulic engineering and power related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on hydraulic engineering and power throughout the world. HEPR welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-2158(P)

Â Â Â Â Â Â Â Â Â 3029-2166(O)

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Medical and Health Research

Medical and Health Research (MHR), published by Scineer Publishing PTE. LTD, is an open-access journal. MHR is devoted to publish medicine related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on medicine throughout the world. MHR welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-2190(P)

Â Â Â Â Â Â Â Â Â 3029-2204(O)

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Practical Medical Research

Practical Medical Research (PMR), published by Scineer Publishing PTE. LTD, is an open-access journal. PMR is devoted to publish medicine related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on medicine throughout the world. PMR welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-2085(P)

Â Â Â Â Â Â Â Â Â Â 3029-2093(O)

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Forum on Research and Innovation Management

Forum on Research and Innovation Management (FRIM), published by Scineer Publishing PTE. LTD, is an open-access journal. FRIM is devoted to publish research and innovation management related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on research and innovation management throughout the world. FRIM welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-1933(P)

Â Â Â Â Â Â Â Â Â 3029-1984(O)

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Construction Safety Technology and Management

Construction Safety Technology and Management (CSTM), published by Scineer Publishing PTE. LTD, is an open-access journal. CSTM is devoted to publish construction safety technology and management related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on construction safety technology and management throughout the world. CSTM welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â Â ISSN: 3029-2069(P)

Â Â Â Â Â Â Â Â Â Â Â 3029-2077(O)

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Industrial Technology Research

Industrial Technology Research (ITR), published by Scineer Publishing PTE. LTD, is an open-access journal. ITR is devoted to publish industrial technology related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on industrial technology throughout the world. ITR welcomes all original manuscripts that do not be published in any other journals.

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Â Â Â Â ISSN: 3029-1895(P)

Â Â Â Â Â Â Â Â Â Â 3029-2026(O)

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Environmental Protection and Health

Environmental Protection and Health (EPH), published by Scineer Publishing PTE. LTD, is an open-access journal. EPH is devoted to publish environmental protection and health related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on environmental protection and health throughout the world. EPH welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â ISSN: 3029-1909(P)

Â Â Â Â Â Â Â Â Â 3029-2018(O)

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Artificial Intelligence Technology Research

Artificial Intelligence Technology Research (AITR), published by Scineer Publishing PTE. LTD, is an open-access journal. AITR is devoted to publish artificial intelligence technology related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on artificial intelligence technology throughout the world. AITR welcomes all original manuscripts that do not be published in any other journals.Â

Â Â Â Â ISSN: 3029-1968(O)

Â Â Â Â Â Â Â Â Â 3029-195X(P)
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Curriculum Learning and Exploration

Curriculum Learning and Exploration (CLE), published by Scineer Publishing PTE. LTD, is an open-access journal. CLE is devoted to publish curriculum related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on curriculum throughout the world. CLE welcomes all original manuscripts that do not be published in any other journals.Â

Â Â Â Â ISSN: 3029-1976(O)

Â Â Â Â Â Â Â Â Â 3029-1941(P)
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Evaluation of Educational Research

Evaluation of Educational Research (EER), published by Scineer Publishing PTE. LTD, is an open-access journal. EER is devoted to publish education related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on education throughout the world. EER welcomes all original manuscripts that do not be published in any other journals.

Â Â Â Â ISSN: 3029-1992(O)

Â Â Â Â Â Â Â Â Â 3029-1925(P)
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World Education Forum

World Education Forum (WEF), published by Scineer Publishing PTE. LTD, is an open-access journal. WEF is devoted to publish education related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on education throughout the world. WEF welcomes all original manuscripts that do not be published in any other journals.

Â Â Â Â ISSN: 3029-214X(O)

Â Â Â Â Â Â Â Â Â 3029-2131(P)

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New Explorations in Education and Teaching

New Explorations in Education and Teaching (NEET), published by Scineer Publishing PTE. LTD, is an open-access journal. NEET is devoted to publish education related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on education throughout the world. NEET welcomes all original manuscripts that do not be published in any other journals.Â

Â Â Â Â ISSN: 3029-200X(O)

Â Â Â Â Â Â Â Â Â 3029-1917(P)

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Modern Economic Management Forum

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Modern Economic Management Forum (MEMF), published by Scineer Publishing PTE. LTD, is an open-access journal. MEMF is devoted to publish modern economic management related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on economic management throughout the world. MEMF welcomes all original manuscripts that do not be published in any other journals.Â

Â Â Â Â ISSN: 3029-2182(O)

Â Â Â Â Â Â Â Â Â 3029-2174(P)

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Research and Commentary on Humanities and Arts

Research and Commentary on Humanities and ArtsÂ (RCHA), published by Scineer Publishing PTE. LTD, is an open-access journal. RCHA is devoted to publish humanities and arts related articles in the form of original papers, review papers and case studies. It also provides a platform for scholars to exchange the latest information in the related fields and aim to promote the research on humanities and arts throughout the world. RCHA welcomes all original manuscripts that do not be published in any other journals.Â

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Â Â Â Â Â Â ISSN: 3029-2050(O)

Â Â Â Â Â Â Â Â Â Â Â 3029-2042(P)

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Scineer Publishing is a publisher of open access journals. Covering various disciplines and promoting interdisciplinary development, Scineer Publishing adheres to a principle of respecting academics, and publishes insightful and rigorous academic research contents.

12 Eu Tong Sen Street, #07-168, Singapore 059819

E-mail: scineerpub@126.com

Copyright © 2023 Scineer Publishing Pte. Ltd.

Analysis and Optimisation of Seismic Performance of Bridge Structures -- Zhoushan Cross-sea Bridge as an Example

Lei Yang

Abstract

Bridges are an important part of the transport system, and structural damages (destructions) to bridges caused by seismic hazards
can result in social and economic losses. In order to reduce the losses caused by earthquakes, it is necessary to effectively assess the seismic
level of bridge structures and enhance the seismic capacity of bridge structures. Taking a highway bridge across the sea as the research object
in this paper, a finite element modelling method considering the pile-soil-structure interaction and the pile diameter effect is proposed; the
seismic susceptibility analysis of the bridge structure is investigated, and the system susceptibility is taken as the goal to optimize the parameters of the seismic isolation bearing; and the rule of change of the system susceptibility of the bridge over time during the service life is explored. The main research work carried out in this paper is as follows:
　　(1) Introduced the analysis theory of seismic susceptibility of structure, gave the analysis steps of component seismic susceptibility and
system seismic susceptibility, and compared and analysed the different methods of the analysis of system susceptibility of bridge structure.
　　(2) The influence of pile diameter effect on the seismic vulnerability of bridges was studied. Based on the finite element analysis platform, three kinds of finite element models were established: a model that considers both pile-soil-structure interaction and pile diameter effect; a model that considers pile-soil-structure interaction but not pile diameter effect; and a simplified model of pier bottom junction. The
seismic response of the bridge structure is obtained by incremental dynamic analysis (IDA), which gives the seismic susceptibility curve of
the bridge structure. The calculation results of the three models are compared and analysed to illustrate the significance of considering the
pile diameter effect.
　　(3) The objective function of seismic susceptibility of the bridge system is established, and the mechanical parameters of the seismic
isolation bearing are optimised. Considering the characteristic strength and initial stiffness of the lead-core rubber bearing as the optimisation
variables, the influence law of the bearing parameters on the seismic vulnerability of the bridge system is obtained through the dynamic time
course analysis, and the reasonable interval of the bearing parameters is determined. In order to effectively reduce the calculation cost and
improve the calculation efficiency, Gaussian process model is used to replace the time-consuming power time analysis to obtain the optimised
design results.
　　(4) The seismic susceptibility curve of the time-varying system of the bridge considering the corrosive effect of chloride ions is established. Based on the diffusion mechanism of chloride ions in concrete, the degradation of steel reinforcement and concrete under chloride
corrosion is analysed. Finite element models of bridge structures in different periods are established. At the same time, the changes in the limit
state of bridge piers and columns at different service life are considered, and the system susceptibility curves of bridge structures at different
time nodes are obtained. The Gaussian process model is used to establish the time-varying surface of the seismic susceptibility of the bridge
structure during the service life.

Keywords

Girder bridge structure; Seismic vulnerability analysis; Lead core rubber bearing; Optimal Design; Gaussian process model

Full Text:

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References

[1] Chen Yi-Long. Optimised design analysis of steel-hybrid combined beam for seismic isolation and seismic resistance[J]. Heilongjiang

Transportation Science and Technology, 2024, 47(06):121-124+128.

[2] Wei Zhicheng. Optimal design of bridge seismic isolation bearing and seismic susceptibility analysis of time-varying system[D]. Hefei

University of Technology, 2021.

[3] Yujing Li. Whole-life multi-objective optimal design of offshore bridges based on seismic performance preference[D]. Dalian University of Technology, 2020.

[4] Hong-Nan Li, Haolu Dong, Chao Li. Research progress on the decision-making method of bridge structural maintenance based on

whole life cycle seismic performance[J]. Chinese Journal of Highway, 2020, 33(02):1-14.

[5] Hu Haohua. Analysis of dynamic characteristics and seismic performance of steel-tube concrete railway arch bridge[D]. Shijiazhuang

Railway University, 2013.

[6] He Duxin et al. Seismic calculation of bridges [D]. Earthquake Press, 1991.

[7] Li Guohao. Seismic dynamics of engineering structures. Shanghai Science and Technology Press, 1980.

[8] Fan Lizhu, Hu Shide, Ye Aijun. Seismic design of large-span bridges. People's Transportation Press, 2001.

[9] Wang Shubo. Theory and application of response spectrum analysis for large bridges. Ph.D. Thesis, Tongji University, 1996.

[10] Yu Jianhua, Xie Yunjiu, Wei Yongtao. Advanced Structural Dynamics. Sichuan University Press, 2001.

DOI: http://dx.doi.org/10.70711/cstm.v2i2.7401

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Scineer Publishing is a publisher of open access journals. Covering various disciplines and promoting interdisciplinary development, Scineer Publishing adheres to a principle of respecting academics, and publishes insightful and rigorous academic research contents.

12 Eu Tong Sen Street, #07-168, Singapore 059819

E-mail: scineerpub@126.com

Copyright © 2023 Scineer Publishing Pte. Ltd.