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Sustainable Use of Marine Resources: Green Construction, Safe Operation and Environmental Impact of Offshore Projects

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A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312).

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 6097

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Special Issue Editors

Prof. Dr. Chong Jiang

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Guest Editor

School of Resources and Safety Engineering, Central South University, Changsha 410083, China
Interests: resource utilization of marine materials; calculation of foundation bearing capacity; engineering stability assessment under extreme conditions or weathering erosion
Special Issues, Collections and Topics in MDPI journals

Prof. Dr. Minghui Yang

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Guest Editor

School of Architecture and Civil Engineering, Xiamen University, Xiamen 361005, China
Interests: rock and soil mechanics; foundation engineering; underground space development and utilization
Special Issues, Collections and Topics in MDPI journals

Dr. Pingbao Yin

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Guest Editor

School of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, China
Interests: resource utilization of solid waste; treatment technology of special soil subgrade; design and calculation theory of foundation engineering; stability analysis of subgrade slope; reliability analysis of foundation engineering
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue focuses on offshore engineering issues involved in the sustainable use of marine resources. The ocean provides human society with abundant resources and energy, including epeirogenic space, marine materials, fossil fuels and clean energy. The exploitation of marine resources depends on the construction of infrastructure, meaning that the construction, operation and impact of offshore projects on marine environments will affect the sustainable utilization of marine resources.

The resourceful use of marine materials instead of traditional building materials will be helpful in reducing project costs, saving energy and reducing carbon emissions. Similarly, the research and development of new energy conversion systems can improve the utilization rate of marine energy. The marine environment is complex and changeable, long-term corrosion and extreme weather will inevitably lead to project damage, resulting in energy supply interruption, energy leakage, sea area pollution and other problems. Therefore, systematic research on these issues is the key to avoiding disasters. In addition, the application of emerging digital technology to offshore engineering can effectively improve the level of intelligent marine resource utilization.

The purpose of this Special Issue is to promote the sustainable use of marine resources through the application of new technologies, offshore engineering stability prediction and marine environmental impact assessment. Any questions related to this field may be submitted and published in this Special Issue.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

The environmental impact and ecological compensation of reclamation projects.
Green construction and the bearing capacity calculation of drilling platforms and offshore wind power pile foundation.
New technology for the sustainable transformation of marine energy.
Stability analysis of offshore engineering under extreme conditions such as typhoon, tsunami, earthquake and freezing temperatures.
Life cycle assessment of offshore structures under long-term weathering erosion.
The environmental impact of offshore engineering under seawater erosion.
The reclamation and utilization of marine materials such as coral and sea sand in engineering construction.
The application of digital technologies such as artificial intelligence technology in offshore engineering.
Evaluation models of the sustainable development of marine resources.

We look forward to receiving your contributions.

You may choose our Joint Special Issue in Sustainability.

Prof. Dr. Chong Jiang
Prof. Dr. Minghui Yang
Dr. Pingbao Yin
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. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly 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 2600 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

sustainable utilization
offshore engineering
green building
marine materials
extreme conditions
weathering and erosion
safe operation
digital technology
environmental impact
evaluation model

Published Papers (4 papers)

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Research

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19 pages, 6620 KiB

Open AccessArticle

Migration of Leaked Oil Vapor in Underground Water-Sealed Oil Storage Cavern Considering the Influence of Fractures

by Dong Tang, Huixiang Jian, Min Song and Zhongming Jiang

J. Mar. Sci. Eng. 2023, 11(6), 1248; https://doi.org/10.3390/jmse11061248 - 19 Jun 2023

Viewed by 1198

Abstract

During the operation of underground water-sealed oil storage caverns, a large amount of oil vapor is generated due to volatilization. Oil vapor can easily leak into the surrounding rock, and fractures in the surrounding rock are usually the dominant channels for oil vapor leakage. To study the influence of fractures on oil vapor leakage and migration in underground water-sealed oil storage caverns during the oil storage period, a gas–liquid two-phase flow model of the fracture–pore dual medium in fractured rock mass was established. The program was implemented on the COMSOL platform by using weak-form PDE (partial differential equation). Then, taking an underground water-sealed cavern of an oil reserve as an example, the influence of the characteristic parameters of a single fracture on the evolution process of oil vapor leakage and migration during the oil storage period of the underground water-sealed oil storage cavern was studied. The results were further applied to the Huangdao underground oil depot project. The results show that the spatial distribution of oil vapor leakage is mainly affected by fractures. Through parameter sensitivity analysis, it was found that the geometric characteristic parameters of fractures will have a certain impact on the migration field of oil vapor leakage in underground caverns. Specifically, fracture permeability (k_f), fracture width (d_f), and fracture inclination (θ) are positively correlated with oil vapor leakage parameters (oil vapor leakage range and leakage volume), while the distance between the fracture and the middle cavern (s) is negatively correlated with oil vapor leakage parameters (oil vapor leakage range and leakage volume). The relative influence of fracture geometry parameters on the migration process of oil vapor leakage during the oil storage period of the underground water-sealed oil storage cavern is in the following order: k_f> d_f> s > θ. Engineering application shows that the existence of fractures affects the spatial distribution of oil vapor leakage and migration, and the relationship between oil vapor leakage parameters and oil storage operation time is a positive power function. The gas–liquid two-phase flow model of the fracture–pore dual medium in fractured rock mass developed in this study could offer a numerical simulation tool to assess and mitigate the risk of oil vapor leakage. The research conclusions can provide some references for related problems encountered in similar projects. Full article

(This article belongs to the Special Issue Sustainable Use of Marine Resources: Green Construction, Safe Operation and Environmental Impact of Offshore Projects)

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27 pages, 4056 KiB

Open AccessArticle

Analytical Solution for Negative Skin Friction in Offshore Wind Power Pile Foundations on Artificial Islands under the Influence of Soil Consolidation

by Chong Jiang, Zexiong Shi and Li Pang

J. Mar. Sci. Eng. 2023, 11(5), 1071; https://doi.org/10.3390/jmse11051071 - 18 May 2023

Cited by 1 | Viewed by 1264

Abstract

The construction of offshore wind power pile foundations on artificial islands is a challenging task due to soil consolidation and additional loads that result in negative skin friction (NSF). In this study, a comprehensive pile–soil interaction model is established to investigate the development of NSF in artificial islands under the action of self-weight consolidation of fill soil and surcharge load. The one-dimensional consolidation theory and an ideal elastoplastic load transfer model are employed to obtain the analytical solution for skin friction and axial force of the pile with respect to time and depth. The predicted results are in good agreement with the field tests and finite element methods. Finally, a parametric study is conducted to investigate the effect of pile installation time, surcharge load, and pile head load on the development of NSF. Full article

(This article belongs to the Special Issue Sustainable Use of Marine Resources: Green Construction, Safe Operation and Environmental Impact of Offshore Projects)

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17 pages, 3900 KiB

Open AccessFeature PaperArticle

Study Method of Pile near Cohesionless Slope under Reversed Lateral Load Considering Sand Strength State and Lateral Deflection of Pile

by Chong Jiang, Jing Liu and Mingke Lin

J. Mar. Sci. Eng. 2023, 11(4), 741; https://doi.org/10.3390/jmse11040741 - 29 Mar 2023

Viewed by 1454

Abstract

A p-y curve method of pile near cohesionless soil slope under reversed lateral load is proposed. This method takes into account the failure mode of soil around the pile under reversed lateral load and the interaction mode between pile and soil, and derives the ultimate soil resistance of the pile. Considering the change of the original stress state of soil due to the lateral deflection of the pile foundation, the influence of the relative density, the initial mean effective stress and the lateral deflection of pile foundation on the internal friction angle of the sand is evaluated to further accurately calculate the soil resistance value at each depth. The prediction results of this method are well verified by comparing with the FE results and centrifuge test results. Finally, the influence of the process of lateral deflection of pile on the strength state of soil around the pile and the bearing capacity of pile is studied. Full article

(This article belongs to the Special Issue Sustainable Use of Marine Resources: Green Construction, Safe Operation and Environmental Impact of Offshore Projects)

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Other

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17 pages, 3019 KiB

Open AccessEssay

Horizontal Bearing Capacity and Reliability of Piles in Coastal Soft Soil Considering the Time-Varying Characteristics

by Pingbao Yin, Kang Wang, Lu Chen, Yongjie Zhang, Kaibo Yang and Jie Wang

J. Mar. Sci. Eng. 2023, 11(2), 247; https://doi.org/10.3390/jmse11020247 - 18 Jan 2023

Cited by 7 | Viewed by 1539

Abstract

In order to study the influence of the creep of soft soil and the corrosion damage of reinforced concrete on the horizontal bearing behavior of piles, the novel p-y curve model was established considering the time-varying characteristics of soil parameters. The attenuation law of the bending stiffness of reinforced concrete piles under chloride erosion was analyzed by introducing the bending stiffness reduction factor. The limit state function of pile reliability analysis was then established considering the time-varying characteristics. The reliability index of a pile under horizontal displacement failure mode was obtained using the quadratic response surface method. Finally, the sensitivity analysis of random variables (cohesion, internal friction angle, concrete cover, and chloride concentration) on the time-varying reliability of a pile under horizontal displacement failure mode was carried out. The influence of the distribution types of soil parameters on the time-varying reliability was considered. The results show that the load-bearing characteristics of the horizontally loaded pile are impacted significantly by the time-varying characteristics of the soil. The maximum horizontal displacement of the pile increases nonlinearly with the increase in service time. When the horizontal displacement failure mode occurs, the variability in the internal friction angle has a significant impact on the reliability of the pile. The reliability index decreases nonlinearly with an increase in service time. When the soil parameters obey the extreme value type I distribution, the corresponding reliability index is greater than that of log-normal distribution and normal distribution. Full article

(This article belongs to the Special Issue Sustainable Use of Marine Resources: Green Construction, Safe Operation and Environmental Impact of Offshore Projects)

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