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Advances in Seismic Performance Assessment
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Advances in Seismic Performance Assessment

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 10506

Special Issue Editor

Dr. Guoshan Xu

E-Mail Website
Guest Editor
School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China
Interests: experimental methods and techniques for seismic resistance of structures
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Engineering structure performance that reduces the risk of earthquake damage is an important issue for both scientists and consumers.

The seismic performance of engineering structures depends not only on the material, construction quality, and seismic design, but also on the seismic performance assessment, as an example.

The aim of modern methods of seismic performance assessment is to conduct theoretical analysis, numerical simulation, and experimental testing of materials, components, and parts of or full structures in order to promote the performance of engineering structures with widely understood safe, economical, environment-friendly, and energy-saving properties.

This Special Issue will be dedicated to new perspectives in seismic performance assessment of engineering structures.

Subjects that will be discussed in this Special Issue will focus not only on modern methods and technologies for improving the seismic performance of engineering structures, but also on the verification of their performance with modern experimental testing, numerical simulation, and hybrid testing or simulation.

Dr. Guoshan Xu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • seismic performance
  • engineering structure
  • seismic design
  • experimental testing
  • numerical simulation

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Published Papers (6 papers)

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Research

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17 pages, 10110 KiB  
Article
Numerical Study on Seismic Performance of Buckling-Restrained Braced Double-Pier RC Bridge with Bolted Gusset Connections
by Junkai Lu, Pengfei Ji, Peifeng Cheng and Guoshan Xu
Appl. Sci. 2023, 13(7), 4391; https://doi.org/10.3390/app13074391 - 30 Mar 2023
Viewed by 1452
Abstract
Buckling-restrained braces (BRBs) have been widely employed in buildings and bridges due to their excellent ductility and energy dissipation capabilities. However, a considerable frame action will be introduced at the beam–column–brace joint for the traditional weld gusset connection under a severe earthquake. To [...] Read more.
Buckling-restrained braces (BRBs) have been widely employed in buildings and bridges due to their excellent ductility and energy dissipation capabilities. However, a considerable frame action will be introduced at the beam–column–brace joint for the traditional weld gusset connection under a severe earthquake. To reduce the negative frame action effect, three alternative bolted gusset connections were developed in this study. A buckling-restrained braced-double-pier RC bridge (BRB-RCB) model was constructed by ABAQUS and calibrated by the existing experimental tests. Parameter analyses were conducted to investigate the effects of various connection types on the seismic performance of the BRB-RCBs. It was found that the proposed bolted gusset connection effectively released the constraints of gusset-to-frame interfaces, resulting in a low stress level at the panel zone. The BRB-RCB with the well-designed bolted connection exhibited excellent seismic performance even when subjected to a lateral drift of 3%. Full article
(This article belongs to the Special Issue Advances in Seismic Performance Assessment)
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16 pages, 2858 KiB  
Article
A Force Identification Method for Geometric Nonlinear Structures
by Lina Guo and Yong Ding
Appl. Sci. 2023, 13(5), 3084; https://doi.org/10.3390/app13053084 - 27 Feb 2023
Viewed by 1406
Abstract
Excitation identification for nonlinear structures is still a challenging problem due to the convergence and accuracy in this process. In this study, a load estimation method is proposed with orthogonal decomposition, the order for which can be fairly accurately determined by a regression. [...] Read more.
Excitation identification for nonlinear structures is still a challenging problem due to the convergence and accuracy in this process. In this study, a load estimation method is proposed with orthogonal decomposition, the order for which can be fairly accurately determined by a regression. In this process, the force time history is represented by the orthogonal basis and the coefficients of the orthogonal decomposition are taken as unknowns and augmented to the state variable, which can be identified recursively in state space. A general energy-conserving method is selected to a step-by-step integration to guarantee the convergence of this integration. The proposed method is first validated by numerical simulation studies of a truss structure considering its geometric property. The identification results of the numerical studies demonstrate that the proposed excitation identification method and the orthogonal decomposition order determination method work well for nonlinear structures. The laboratory work of a 7-story frame is investigated to consider the geometric nonlinearity in impact force identification. The results of experimental studies show that uncertainties such as measurement noise and model error are included in the investigation of the accuracy and robustness of the proposed force identification method, while the time history of external forces could be identified with promising results. Full article
(This article belongs to the Special Issue Advances in Seismic Performance Assessment)
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19 pages, 6678 KiB  
Article
Evaluation Method for Ultimate Flexural State of Prestressed Precast Reinforced Concrete Beam–Column Connection with Debonded Partial Tendon
by Kiwoong Jin, Riku Ota, Linfei Hao and Kazuhiro Kitayama
Appl. Sci. 2023, 13(5), 2843; https://doi.org/10.3390/app13052843 - 22 Feb 2023
Cited by 3 | Viewed by 1721
Abstract
In this paper, a prestressed precast reinforced concrete (PC) beam–column connection incorporating posttensioned debonded partial tendons is introduced for PC frame structure. Compared with the conventional cast-in-place frames and many previously proposed connections for PC frames, this connection has the advantage of self-centering [...] Read more.
In this paper, a prestressed precast reinforced concrete (PC) beam–column connection incorporating posttensioned debonded partial tendons is introduced for PC frame structure. Compared with the conventional cast-in-place frames and many previously proposed connections for PC frames, this connection has the advantage of self-centering and low damage in strong earthquakes. In addition, the debonded partial tendons can reduce the posttensioning demand and further reduce site labor during construction and repair. In order to establish a performance evaluation method for the ultimate flexural limit of the proposed PC connection, an analytical model was developed to accurately reflect the deformation compatibility and force equilibrium conditions of the PC beam and column members, as well as the debonded partial tendons. Based on this, iterative and direct evaluation methods for the strength and deformation of the PC connections, as well as the strains of the debonded tendons, were developed. The proposed methods were verified by cyclic loading test on the beam–column connection subassemblages. It is concluded that the proposed method is sufficiently accurate and simple to be applied in engineering design, and is helpful to guarantee the self-centering and low-damage characteristics of the proposed connection against a strong earthquake. Full article
(This article belongs to the Special Issue Advances in Seismic Performance Assessment)
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22 pages, 11314 KiB  
Article
Seismic Performance of Ductile Column with Rectangular Hollow Cross-Section in RC Building
by Kiwoong Jin, Kaede Yamazaki and Ryo Takahashi
Appl. Sci. 2023, 13(4), 2234; https://doi.org/10.3390/app13042234 - 9 Feb 2023
Viewed by 1545
Abstract
In order to reduce the self-weight of RC buildings and increase cost-savings, the seismic performance of rectangular hollow sectioned columns was investigated by experimental and analytical studies. Cyclic loading tests were carried out under compression axial force ratios from 0.16 to 0.3, and [...] Read more.
In order to reduce the self-weight of RC buildings and increase cost-savings, the seismic performance of rectangular hollow sectioned columns was investigated by experimental and analytical studies. Cyclic loading tests were carried out under compression axial force ratios from 0.16 to 0.3, and hysteresis curves, failure patterns, strain distributions of reinforcement, flexural and shear deformations, and energy absorption capacity were discussed in detail. Based on the experiments, under an axial force ratio of 0.16, the structural performances between hollow and solid sectioned columns were found to be almost equivalent. When the axial force ratio increased to 0.3, the structural performance was almost the same until the 2.0% drift angle; however, sudden deterioration of the load-bearing capacity occurred, with concrete compressive failure at the plastic hinge region near the column end. By means of numerical investigations by cross-sectional and FEM analysis, it was found that such brittle failure was induced by the neutral axis location and the concrete stress concentration on the hollow cross-section. Therefore, the appropriate separation of the hollow section from the plastic hinge region is recommended when the neutral axis is located beyond the flange at the ultimate flexural state. Full article
(This article belongs to the Special Issue Advances in Seismic Performance Assessment)
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13 pages, 3169 KiB  
Article
Seismic Response Analysis of a Curved Bridge under Near-Fault and Far-Field Ground Motions
by Peng Su, Xiaoyi Zhu, Yanjiang Chen, Bing Xue and Bing Zhang
Appl. Sci. 2022, 12(16), 8349; https://doi.org/10.3390/app12168349 - 21 Aug 2022
Viewed by 1578
Abstract
To study the influence of near-fault and far-field (FF) ground motions on a curved girder bridge, a 1:10 scale curved bridge shaking table test model was constructed. Three types of ground motions, namely, near-fault pulse (NP), near-fault non-pulse (NN), and FF ground motions, [...] Read more.
To study the influence of near-fault and far-field (FF) ground motions on a curved girder bridge, a 1:10 scale curved bridge shaking table test model was constructed. Three types of ground motions, namely, near-fault pulse (NP), near-fault non-pulse (NN), and FF ground motions, were selected and employed in the test model. The test results indicated that the seismic response of the curved bridge in the excitation of NP ground motion is significantly higher than that in the excitation of NN and FF ground motions, and is destructive to the curved bridge. The displacement of the curved bridge has spatial characteristics in the excitation of NP ground motions. The rotation generated by the curved bridge is easy to cause bearing shedding or girder falling at the low pier. The amplification of pier height increases the displacement response at the high pier. Full article
(This article belongs to the Special Issue Advances in Seismic Performance Assessment)
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Review

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32 pages, 5307 KiB  
Review
Seismic Rehabilitation Techniques for Conserving and Managing Cultural Heritage of old City Fortress in Novi Pazar
by Julija Aleksić, Lejla Zećirović, Danilo Dragović, Branko Slavković, Jasmin Suljević and Jelena Božović
Appl. Sci. 2022, 12(23), 12018; https://doi.org/10.3390/app122312018 - 24 Nov 2022
Viewed by 2031
Abstract
In the last decade, increased awareness of the importance of preserving old masonry structures of cultural heritage has turned to the development of sustainable strategies for their reconstruction and seismic strengthening. This research includes the analysis and determination of the necessary measures due [...] Read more.
In the last decade, increased awareness of the importance of preserving old masonry structures of cultural heritage has turned to the development of sustainable strategies for their reconstruction and seismic strengthening. This research includes the analysis and determination of the necessary measures due to the assessment of the condition of the constructive and structural parts of the buildings belonging to the old City Fortress in Novi Pazar. In this study, the fragility and vulnerability of the building is identified in order to sanction and recommend strengthening and seismic resistance to potentially strong levels of earthquakes, preserving the original structure of the building and its authenticity and integrity. The presented techniques aim to improve seismic performance and preserve structures for future generations, with the least impact on changing the value of the investigated cultural heritage. On the other hand, due to the modern demands of society, it is recommended to implement digital conservation and management of cultural heritage in order to create new content and ensure accessibility for all. Full article
(This article belongs to the Special Issue Advances in Seismic Performance Assessment)
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