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Marine Geotechnical Engineering and Marine Civil Engineering Construction (Volume II)

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

Deadline for manuscript submissions: closed (23 November 2023) | Viewed by 7652

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Special Issue Editors

Prof. Dr. Jun Hu

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Guest Editor

School of Civil Engineering and Architecture, Hainan University, Haikou 570228, China
Interests: offshore geotechnical engineering; tunnelling and underground space technology; marine civil engineering construction; artificial ground freezing technology
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Dr. Guan Chen

E-Mail Website
Guest Editor

Institute for Risk and Reliability, Leibniz University Hannover, 30167 Hannover, Germany
Interests: geotechnical earthquake engineering; seisimc hazards and risk analysis; soil mechanics; uncertainty quantification; geotechnical reliability; signal processing; structural health monitoring (SHM)
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Dr. Yong Fu

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Guest Editor

Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
Interests: marine geotechnical engineering; offshore foundations; underground space technology; physical experiments and finite element modelling
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to inform you that we have launched a Special Issue for a new series in Sustainability (IF 3.889, JCR Q2), entitled "Marine Geotechnical Engineering and Marine Civil Engineering Construction II". This SI aims to advance the state-of-the-art marine civil engineering construction techniques, the constructive model of marine geotechnical materials, and the marine structural response analysis, through experiments, numerical simulations, and field surveys.

Marine geotechnical engineering is attracting increasing attention with the rise of offshore structure construction, such as oil and gas platforms and undersea tunnels. Marine geotechnical hazards, on the other hand, remain a big challenge. Marine soil that is exposed to seawater significantly differs from conventional soil in physical and mechanical properties. This peculiarity further affects the marine geotechnical structures, such as marine foundation treatment, marine slope, anchors, and wind turbines pile foundation. Moreover, marine civil engineering construction techniques also vary due to the specificity of marine geotechnics. To better understand the marine geotechnical concerns in practice, the introduction of marine civil engineering construction techniques and marine geotechnical hazards based on field surveys is also appreciated. We hope that this SI will provide new insights into marine geotechnical challenges in marine civil construction and fill some research gaps in the field of marine geotechnical engineering.

This complex task revolves around several topics, including but not limited to the following:

Marine soil mechanics;
Offshore foundations;
Marine geohazard;
Wind turbines pile foundation;
Artificial ground-freezing technology;
Seismic hazards and risk analysis of the offshore structure;
Reinforcement treatment methods for soft coastal foundations;
Marine soil mechanics test and testing technology;
Marine renewable energy;
Structural health monitoring of marine structures;
Uncertainty quantification of marine soil and structures;
Reliability analysis of marine structures.

Prof. Dr. Jun Hu
Dr. Guan Chen
Dr. Yong Fu
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

marine geotechnical engineering
offshore engineering
geotechnical test
underground technology
earthquake engineering
numerical simulation
construction
disaster

Published Papers (6 papers)

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Research

12 pages, 3921 KiB

Open AccessArticle

Behavior of Horizontal-Directional Drilling for Multi-Pilot Heading Pretreating Blind Spots in Pipe Jacking Construction

by Binbin Xu, Runlai Yang, Hao Dai, Zhichao Dong and Yongxing Zhang

Sustainability 2024, 16(1), 314; https://doi.org/10.3390/su16010314 - 29 Dec 2023

Viewed by 623

Abstract

The application of non-excavation construction technology, such as the pipe jacking method, has obvious advantages in building urban underground space engineering projects, which can effectively reduce the occupation of ground surfaces and the migration of obstacles above or below the ground. However, pipe jacking machines with a rectangular cross-section can easily encounter great difficulty due to the significantly increased jacking resistance while it is jacked in hard rock strata, which are often influenced by large blind spots on the working face of pipe jacking machines with a rectangular cross-section. The aforementioned blind spots belong to areas that cannot be cut by the cutter heads due to the circular cutterhead and rectangular outer frame of pipe jacking machines with a rectangular cross-section. Therefore, the effective pretreatment of the aforementioned blind spots should be implemented prior to operating pipe jacking machines with a rectangular cross-section in hard rock strata. This paper presents a case study of employing horizontal-directional drilling as a multi-pilot heading pretreatment for breaking large blind spots on the working face of pipe jacking machines with a rectangular cross-section, which was implemented prior to operating a pipe jacking machine with a rectangular cross-section in shallow buried rock strata. In particular, this multi-pilot heading pretreatment is expected to be used to safely construct a rectangular comprehensive pipe gallery using pipe jacking machines with a rectangular cross-section in shallow buried rock strata and when passing underneath existing light rail lines, which can effectively save the precious land resources required for sustainable development. The study was implemented by employing a numerical simulation, focusing on the safety of the adjacent existing light rail line and the stability of the surrounding rocks, which are influenced by the variation in the distribution positions and sizes of the drilling holes used when implementing the horizontal-directional drilling. The results demonstrate that the horizontal-directional drilling applied for the multi-pilot heading pretreatment could effectively break the blind spots on the working face of the pipe jacking machine with a rectangular cross-section, in which the safety of the adjacent existing infrastructure was significantly influenced by the distribution positions and sizes of the drilling holes used when implementing the horizontal-directional drilling. This study can provide a reference for carrying out pipe jacking construction using pipe jacking machines with a rectangular cross-section, in which horizontal-directional drilling is employed as the multi-pilot heading pretreatment for breaking the large blind spots on the working face. Moreover, the distribution positions and sizes of the drilling holes used when implementing the horizontal-directional drilling could be appropriately optimized by utilizing the method of numerical analysis. Meanwhile, the study is also expected to eliminate the hazards of safely running the aforementioned adjacent existing light rail line during implementing the multi-pilot heading pretreatment of horizontal-directional drilling. Full article

(This article belongs to the Special Issue Marine Geotechnical Engineering and Marine Civil Engineering Construction (Volume II))

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12 pages, 5725 KiB

Open AccessFeature PaperArticle

Numerical Study on the Behavior of an Existing Tunnel during Excavating Adjacent Deep Foundation Pit

by Jianwei Liu, Bingshuang Xue, Haibo Wang, Xuemin Zhang and Yongxing Zhang

Sustainability 2023, 15(12), 9740; https://doi.org/10.3390/su15129740 - 19 Jun 2023

Cited by 1 | Viewed by 994

Abstract

The excavation of a deep foundation pit adjacent to an existing tunnel may lead to the large deformation and induce damages in the tunnel structure. However, the influence on existing tunnel structure from nearby excavations has not been understood clearly, since it is affected by complex influencing factors of not only the geological and topographical conditions but also the construction method and positional relationship of the adjacent structures. This paper presents a numerical investigation into an existing underground rail transit line during the excavation of an adjacent deep foundation pit, in which the behavior of the existing tunnel structure from excavating the aforementioned foundation pit is clarified, and the effectiveness of the adopted three-dimensional model is confirmed by comparison between the numerically calculated and field-measured ground settlement of the monitoring point. The results demonstrate that the deformation of the existing tunnel structure is mostly induced by the excavation of the deep foundation pit. This study can provide a reference of deep excavations adjacent to existing infrastructures. Full article

(This article belongs to the Special Issue Marine Geotechnical Engineering and Marine Civil Engineering Construction (Volume II))

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20 pages, 12330 KiB

Open AccessArticle

Numerical Analysis of the Effect of Groundwater Seepage on the Active Freezing and Forced Thawing Temperature Fields of a New Tube–Screen Freezing Method

by Jixun Ren, Yongwei Wang, Tao Wang, Jun Hu, Kai Wei and Yanshao Guo

Sustainability 2023, 15(12), 9367; https://doi.org/10.3390/su15129367 - 09 Jun 2023

Cited by 1 | Viewed by 898

Abstract

To more comprehensively explore the mechanism of the active freezing and thawing process of a new tube–curtain freezing method in construction, the temperature field of the new tube–curtain freezing process is analyzed using finite element software to establish a numerical model. Six paths were set up upstream and downstream of the model and around the top steel tube to analyze the development of frozen soil curtains during active freezing and forced thawing. The results show that, due to the effect of seepage, the cold energy generated by the upstream frozen pipe will be carried to downstream by water, which leads to the asymmetry of the frozen soil curtain. A greater seepage rate leads to a more pronounced the influence on the development of the temperature field. During the process of forced thawing, the first 15 days of the frozen soil curtain heating rate are fastest; thus, it is necessary to monitor the thawing settlement intensively during this period. By comparing different heads of water and different forced thawing temperatures, it was found that a bigger head of water results in a longer thawing time. At a constant head of water, a higher thawing temperature results in a shorter thawing time, with the thawing time at 50 °C being about 0.5 times that at 5 °C. Low-temperature thawing can be chosen to control the cost; however, when the head of water is large, high-temperature thawing can significantly shorten the thawing time. In addition, the new tube–curtain freezing method has little influence on the surrounding environment, along with a short construction period and low construction cost, in accordance with the concept of sustainable development. Full article

(This article belongs to the Special Issue Marine Geotechnical Engineering and Marine Civil Engineering Construction (Volume II))

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19 pages, 3023 KiB

Open AccessArticle

Structural Design and Analysis of a Super-High Building in Nanjing, China

by Qianqian Liang, Jie Wu, Guijuan Lu and Jun Hu

Sustainability 2023, 15(8), 6521; https://doi.org/10.3390/su15086521 - 12 Apr 2023

Viewed by 1900

Abstract

This study analyzes a high-rise building with B-level height (i.e., a total height of 146.5 m) and a shear wall structure. Since the project contains many plane irregularities (including 1a torsional irregularity, 1b eccentric arrangement, and 2a plane convex irregularity), it should be treated as a super high-rise building. This study introduces the main characteristics and overrun conditions of the project and describes the structural design of the foundation and the basement, upper structural layout, force conditions under frequent, fortified, and rare earthquake actions, and structural performance-based objectives in detail. The following measures can be adopted to address the overrun problem. First, the floor at the thin waist of the structure was thickened to 150 mm and reinforced in the bilayer and bidirectional patterns, with a reinforcement ratio of no less than 0.25%. The damage condition on the floors under a great earthquake was analyzed. The vertical components at the waist were reinforced to constrain the extension of the edge components toward the top. Second, the structure’s peripheral stiffness was strengthened to enhance the anti-torsional performance and minimize the adverse effects on torsional irregularities. Third, using two software programs, the performance-based envelope design under medium earthquake action and dynamic elastoplastic analysis under great earthquake action were analyzed to ensure structural safety. Fourth, the edge components were constrained for the shear wall columns with axial-to-compressive stress strength ratios exceeding 0.3. For the overall structure and critical parts, force conditions under frequent, fortified, and rare earthquake conditions were calculated and examined with the SATWE, MIDAS GEN, and SAUSAGE software packages. The calculation results revealed that the structure shows favorable anti-seismic performance, with an overall anti-seismic C-level and a safe and reliable structure. The structural design method introduced in this article can promote the sustainable development of structural design. Full article

(This article belongs to the Special Issue Marine Geotechnical Engineering and Marine Civil Engineering Construction (Volume II))

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14 pages, 7434 KiB

Open AccessArticle

Calculation Theory of Counterweight Double-Row Pile Support for Deep Foundation Pit in Reclamation Area and Influence Analysis of Core Pile Parameters

by Bo Dong, Qiongyi Wang, Fenghai Ma, Cun Zhang and Liang Zou

Sustainability 2023, 15(7), 6184; https://doi.org/10.3390/su15076184 - 04 Apr 2023

Cited by 1 | Viewed by 1224

Abstract

The theoretical calculation of a counterweight double-row pile supporting structure is deduced and studied in this paper. The derived calculation method is applied to a Midas GTS NX simulation calculation. A case study of a deep foundation pit project in Shenzhen City is used to verify and analyze the simulation results and the field monitoring results. On this basis, the influence law of deformation parameters such as the row distance, pile diameter of back-row piles and load of the pit top on the pile of a double-row pile is further discussed. The results show that both the front- and back-row piles of counterweight double-row piles are overturning deformation, and the characteristics of the horizontal displacement are basically the same. The maximum value of the horizontal displacement of the pile is at the top and the minimum value is at the bottom. With the increase in the row distance and pile diameter, the horizontal displacement of the pile becomes smaller, and the change in the pile horizontal displacement under a top load is contrary to that. Moreover, the change in the row distance has a great influence on the horizontal displacement of the pile, followed by the load of the pit top, and the pile diameter of the back-row piles has the least influence. Due to the connection effect of the horizontal plate of the counterweight platform, the whole supporting structure is in the form of a hyperstatic structure. The back-row piles can withstand most of the lateral earth pressure, which effectively reduces the deformation of the front pile and improves the overall stiffness of the supporting structure, which is conducive to the excavation stability of the deep foundation pit. Therefore, its extensive use in the Linhai soft soil project can not only effectively reduce the number of internal supports and achieve the purpose of cost saving but also increase the construction face, which is beneficial to the development of dry construction organization and management, in line with the construction concept of green environmental protection and sustainable development advocated at present. Full article

(This article belongs to the Special Issue Marine Geotechnical Engineering and Marine Civil Engineering Construction (Volume II))

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14 pages, 4769 KiB

Open AccessArticle

Improved Granite Residual Soils from a Study on Diesel Contamination in East Hunan Province

by Qiunan Chen, Kun Long, Xiaocheng Huang, Zhenghong Chen and Yongchao He

Sustainability 2023, 15(6), 4900; https://doi.org/10.3390/su15064900 - 09 Mar 2023

Cited by 2 | Viewed by 1148

Abstract

Soil can be amended with cement, lime, fly ash and other curing agents after diesel contamination. In this study, a diesel-contaminated granite residual soil with an oil content of 9% was selected and amended with cement, lime and fly ash as curing agents and their incorporation levels were varied. A straight shear test showed that 6% lime resulted in the best improvement in the contaminated soil, with a cohesive force of 122.1 kPa and an internal friction angle of 27.1°. A disintegration test revealed that the disintegration resistance of the contaminated soil was improved by 6% cement, 20% fly ash and 10% lime, with 10% lime being the most effective. SEM tests revealed that diesel fuel acted as a constant pore fluid to cause significant fragmentation and separation of the granite residual soil from flakes and blocks to smaller agglomerates and fragments. The curing agent, by increasing the physical reaction products, causes the particles to agglomerate, filling the soil pores and enhancing the integrity of the soil, thus improving the soil properties. Full article

(This article belongs to the Special Issue Marine Geotechnical Engineering and Marine Civil Engineering Construction (Volume II))

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