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Sustainability
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Coastal Hazards and Safety 2nd Edition
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Coastal Hazards and Safety 2nd Edition

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Hazards and Sustainability".

Deadline for manuscript submissions: 15 December 2024 | Viewed by 588

Special Issue Editors

Dr. Hongyi Zhao

E-Mail Website
Guest Editor
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
Interests: marine geotechnical engineering; wave–seabed–structure interactions; constitutive modeling of sand
Special Issues, Collections and Topics in MDPI journals
Dr. Xiaoli Liu

E-Mail Website
Guest Editor
College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
Interests: submarine slope stability analysis and prediction; local scour and protec-tion; solute transport
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Jianfeng Zhu

E-Mail Website
Guest Editor
School of Civil Engineering and Architecture, ZheJiang University of Science and Technology, Hangzhou 310023, China
Interests: soil improvement; bio-geotechnical engineering; constitutive model of soil and stabilized soil
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Coastal hazards, influenced by natural and human factors, pose significant economic, environmental, and safety challenges. The escalating impact of these threats, driven by climate change and increased coastal activities, necessitates a strong commitment to sustainability in coastal engineering.

This Special Issue serves as a vital platform for exploring sustainable solutions to coastal hazards. We welcome state-of-the-art research, case studies, and lessons learned, emphasizing sustainability in addressing challenges such as erosion, storm tide inundation, submarine slope stability, liquefaction, solute transport, local scour, fluid–structure interactions, and tsunami-induced hazards.

We invite contributions using analytical, spatial, mathematical, and numerical methods, as well as field investigations and modeling. By integrating sustainability throughout, this Special Issue aims to enhance our understanding of coastal hazards and promote resilient, sustainable practices in coastal engineering.

We look forward to receiving your contributions.

Dr. Hongyi Zhao
Dr. Xiaoli Liu
Prof. Dr. Jianfeng Zhu
Guest Editors

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. Sustainability 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

  • long-term and short-term erosion of coastlines
  • storm tide inundation
  • solute transport in marine sediments
  • local scour and protection
  • liquefaction due to ocean storms or earthquakes
  • submarine slope stability analysis and monitoring
  • fluid–structure interaction
  • fluid–soil–structure interaction
  • tsunami-induced coastal hazards
  • climate change

Published Papers (1 paper)

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Research

20 pages, 12690 KiB  
Article
Investigation on the Confined Breakage Characteristics of Calcareous Sand in the South China Sea Integrated Using Relative Breakage Ratio and Fractal Dimension
by Jianfeng Zhu, Qiqi Zheng and Hao Yang
Sustainability 2024, 16(5), 2190; https://doi.org/10.3390/su16052190 - 06 Mar 2024
Viewed by 418
Abstract
Calcareous sand, ubiquitous in the geotechnical makeup of the South China Sea, exhibits both compressibility and vulnerability to fragmentation when subjected to external loading, spanning a spectrum from typical to extreme conditions. This investigation aims to quantitatively assess the compression and particle breakage [...] Read more.
Calcareous sand, ubiquitous in the geotechnical makeup of the South China Sea, exhibits both compressibility and vulnerability to fragmentation when subjected to external loading, spanning a spectrum from typical to extreme conditions. This investigation aims to quantitatively assess the compression and particle breakage characteristics of calcareous sand under varied parameters, including relative density, saturation, applied loads, and loading paths, specifically focusing on sustainable geotechnical methodologies. Through a series of confined compression tests, this evaluation employed the relative breakage ratio and fractal dimension as key evaluative metrics. The results indicated that employing this integrated approach offered a more comprehensive understanding of calcareous sand breakdown mechanisms than relying on a singular particle breakage index. Furthermore, an increase in relative density can induce a transition in particle contact behavior, shifting from point-to-point interactions to face-to-face contact, thereby reducing inter-particle stress and minimizing grain breakage, particularly under loads below 200 kPa. Increasing loads exacerbated particle breakage, with finer particles predominantly initiating this process. During reloading, pore ratios across various load levels surpass those observed during initial loading, except at 1600 kPa, where a decline in pore ratio was noted, coinciding with pore water extrusion and the onset of new particle fracturing. The lubricating effect of water reduces inter-particle friction, enhancing stress concentration at particle edges and localized particle breakage, thereby increasing the presence of finer particles without significantly altering the overall structure. Notably, the influence of pore water pressure is evident during the reloading phase. These findings contribute to a refined theoretical framework for predicting coastal erosion risks and devising effective environmental protection strategies for sustainable coastal engineering practices. Full article
(This article belongs to the Special Issue Coastal Hazards and Safety 2nd Edition)
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