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Applied Sciences
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Structural and Earthquake Engineering: Advances, Innovations and Challenges
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Structural and Earthquake Engineering: Advances, Innovations and Challenges

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

Deadline for manuscript submissions: closed (20 September 2024) | Viewed by 2959

Special Issue Editor

Dr. Juipin Wang

E-Mail Website
Guest Editor
Department of Civil Engineering, National Central University, Jhongli, Taoyuan 32001, Taiwan
Interests: geotechnical engineering; geotechnical reliability and risk assessment; geotechnical earthquake engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Structural and earthquake engineering has been a crucial field of study for decades, with the aim of ensuring the safety and stability of buildings and structures during natural disasters. The recent advances and innovations in this field have been significant, providing new solutions to long-standing challenges and paving the way for more efficient and effective approaches to structural design.

The Special Issue aims to provide a platform for researchers, engineers, and practitioners to share their knowledge and experiences in this field. We welcome original research articles, review papers, and case studies covering a wide range of topics related to structural and earthquake engineering, including but not limited to:

  • Seismic design and analysis of structures;
  • Retrofitting and rehabilitation of existing structures;
  • Performance-based design and assessment;
  • Innovative materials and technologies;
  • Structural health monitoring and damage detection;
  • Resilient infrastructure and community planning;
  • Risk assessment and mitigation strategies.

Dr. Juipin Wang
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.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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

  • structural engineering
  • earthquake engineering
  • seismic design

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Published Papers (2 papers)

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Research

20 pages, 5202 KiB  
Article
Smart Deployable Scissor Lift Brace to Mitigate Earthquake Risks of Soft-Story Buildings
by Vijayalaxmi Rangrej and Ricky W. K. Chan
Appl. Sci. 2025, 15(1), 27; https://doi.org/10.3390/app15010027 - 24 Dec 2024
Viewed by 759
Abstract
This article introduces a novel smart deployable scissor lift brace system designed to mitigate earthquake risks in buildings prone to the soft-story effect. The system addresses the limitations of traditional retrofitting methods, providing an efficient solution for enhancing the structural integrity of buildings [...] Read more.
This article introduces a novel smart deployable scissor lift brace system designed to mitigate earthquake risks in buildings prone to the soft-story effect. The system addresses the limitations of traditional retrofitting methods, providing an efficient solution for enhancing the structural integrity of buildings while preserving the functionality of open lower floors, commonly used for car parking or retail spaces. The soft-story effect, characterized by a sudden reduction in lateral stiffness in one or more levels of a building, often leads to catastrophic collapses during large earthquakes, resulting in significant structural damage and loss of life. The proposed system is triggered by signals from the Earthquake Early Warning (EEW) system, advanced technologies capable of detecting and broadcasting earthquake alerts within seconds which are currently implemented in countries and regions such as Japan, parts of the USA, and parts of Europe. The smart deployable system functions by instantly activating upon receiving EEW signals. Unlike traditional retrofitting approaches, such as adding braces or infill walls, which compromise the open layout of lower floors, this innovative device deploys dynamically during seismic events to enhance the building’s stiffness and lateral stability. The article demonstrates the system’s functionality through a conceptual framework supported by proof-of-concept experiments. Historical earthquake time histories are simulated to test its effectiveness. The results reveal that the system significantly improves the stiffness of the structure, reducing displacement responses during events of seismic activity. If properly proportioned and optimized, this system has the potential for widespread commercialization as a seismic risk mitigation solution for buildings vulnerable to the soft-story effect. Full article
(This article belongs to the Special Issue Structural and Earthquake Engineering: Advances, Innovations and Challenges)
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26 pages, 10770 KiB  
Article
Effects of Aftershocks on the Seismic Performances of Reinforced Concrete Eccentric Frame Structures
by Pengyu Sun, Weiping Wen and Siwei Zhang
Appl. Sci. 2023, 13(19), 10767; https://doi.org/10.3390/app131910767 - 27 Sep 2023
Cited by 2 | Viewed by 1604
Abstract
Strong aftershocks have the potential to cause accumulated damage in structures, a feature which has been reported in post-earthquake reconnaissance studies, particularly for eccentric or irregular structures. This study aims to investigate the seismic behaviors of eccentric RC structural models under mainshock–aftershock (MSAS) [...] Read more.
Strong aftershocks have the potential to cause accumulated damage in structures, a feature which has been reported in post-earthquake reconnaissance studies, particularly for eccentric or irregular structures. This study aims to investigate the seismic behaviors of eccentric RC structural models under mainshock–aftershock (MSAS) sequences. In this study, three-dimensional structural models with eccentricities of 5%, 10%, 15%, 20%, 25%, and 30%, and an eccentricity of 0 (symmetric structural model) are developed by changing the positions of the centers of the structural mass. A static pushover analysis and a nonlinear time history analysis are conducted on the structural models with different eccentricities considering unidirectional and bidirectional earthquake loading (including mainshock ground motion and MSAS sequences). The amplitude of the aftershock ground motion is scaled according to the structural damage levels calibrated with the inter-story drift ratio (IDR). Furthermore, the differences in seismic responses between the unidirectional and bidirectional eccentric structures are discussed. The results show that the peak displacements of the unidirectional eccentric structures under MSAS sequences are nearly 1.4 times higher than those under mainshock ground motions. The structural seismic responses under unidirectional earthquake loading are more sensitive to the intensity of aftershock ground motions than those under bidirectional earthquake loading. Compared with unidirectional eccentric structures, bidirectional eccentric structures are more sensitive to the intensity of aftershock ground motions and have larger torsional angles and more complex displacement trends. The maximum displacement and the maximum IDR of bidirectional eccentric structures under MSAS sequences can reach 1.5 times and 1.4 times of those under mainshock ground motions, respectively. Full article
(This article belongs to the Special Issue Structural and Earthquake Engineering: Advances, Innovations and Challenges)
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