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Advances in Sustainable Geotechnical Engineering and Civil Engineering

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

Deadline for manuscript submissions: 1 July 2024 | Viewed by 1899

Special Issue Editor


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Guest Editor
Faculty of Science and Engineering, School of Architecture and the Built Environment, University of Wolverhampton, Wolverhampton WV1 1LY, UK
Interests: geotechnics; geomechanics; structural analysis; fluid mechanics; optimization; project management
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue presents two perspectives of sustainability in geotechnical and civil engineering. The first section considers the role of innovations and practices within geotechnical/civil engineering in achieving the United Nations Sustainable Development Goals (UN SDGs), while the second section focuses on sustainable methods within geotechnical/civil engineering.

The 17 UN SDGs provide the framework for peace and prosperity in the world, including a call to all nations to enact a global partnership to help achieve the goals within the shortest possible period. Participation between countries is required while they attempt to address climate change as well as work towards preserving natural ecosystems. Therefore, in the field of geotechnical/civil engineering, there is a drive to ensure that current/future practices and innovations contribute towards fulfilling the UN SDGs. Although the SDGs are divided into 17 categories, they are somewhat interrelated; hence, it is often not possible to concentrate on a single goal without impacting on one or more of the others. However, certain disciplines are better suited for achieving specific components of the SDGs, making it easier for straightforward appraisal of their contributions towards some SDGs. To this end, and with respect to geotechnical/civil engineering, emphasis is placed on submissions that can demonstrate how the profession contributes towards accomplishing the following ideals of the UN SDGs:

  • Affordable and clean energy;
  • Innovations involving research and industry practices;
  • Sanitation and water management;
  • Cities and communities that are sustainable and/or smart;
  • Mitigating climate change;
  • Conservation and restoration of natural resources and the environment (land, forest, water bodies, and biodiversity).

The second section of this Special Issue aims to explore how the practice of geotechnical and civil engineering can be made sustainable. In this regard, the emphasis is on the methods employed in geotechnical/civil engineering, covering areas such as digital solutions and technology, materials engineering, and construction management and costs. Innovations and best practices involving but not limited to the following techniques can be presented: Building Information Modeling (BIM), Geographical Information Systems (GISs), geological modeling, digital rock mapping, and laser scanning.

Dr. Kenneth Imo-Imo Israel Eshiet
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. 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

  • sustainability in geotechnical engineering
  • sustainability in civil engineering
  • sustainable construction management
  • sustainable and smart cities
  • sustainable materials
  • digital solutions and technology
  • renewable energy

Published Papers (3 papers)

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Research

18 pages, 3526 KiB  
Article
Effect of Modifiers on the Disintegration Characteristics of Red Clay
by Baochen Liu, Haofeng Zhou, Xiaobo Wang, Guan Lian and Bai Yang
Sustainability 2024, 16(11), 4551; https://doi.org/10.3390/su16114551 - 27 May 2024
Viewed by 268
Abstract
Due to the high degree of weathering, the red clay slope has low anti-disintegration performance, and the clay easily becomes wet and disintegrates after soaking in water. It causes geological problems such as slope collapse caused by soil softening. To study the disintegration [...] Read more.
Due to the high degree of weathering, the red clay slope has low anti-disintegration performance, and the clay easily becomes wet and disintegrates after soaking in water. It causes geological problems such as slope collapse caused by soil softening. To study the disintegration characteristics of modified red clay, the disintegration test of red clay modified by using lignin fiber, clay particles and lime was carried out, analyzing the disintegration characteristics of improved red clay from physical and chemical perspectives and analyzing the improvement mechanism of three modifiers with the scanning electron microscopy test. The analysis results show that the water-holding capacity and disintegration resistance of soil mixed with lignin fiber decrease; the disintegration time of reshaped red clay increases with the increase in clay content; and the average disintegration rate of the soil decreases with the increase in clay content. With the increase in lime content, the soil cement increases. The integrity of the soil is enhanced, and its anti-disintegration ability is improved; the saturated moisture content of reshaped red clay increases with the increase in lignin fiber and clay content, while the saturated moisture content of soil decreases with the increase in lime content. The damage analysis shows that the larger the damage factor of soil, the worse its anti-disintegration ability, and the easier the soil disintegrates. The purpose of this paper is to explore the essence of the soil disintegration phenomenon, and on this basis, using high-quality improved materials, to improve the soil, which easily disintegrates. This move aims to significantly enhance the anti-disintegration ability of the soil, thereby improving its resistance to softening and disintegration, thereby effectively improving and maintaining the ecological environment. At the same time, the improved soil will help to improve the utilization rate of the slope and foundation soil, thereby reducing the economic cost of maintenance engineering. Against the current background of sustainable economic, social, and ecological development, it is of great strategic significance to ensure the sustainable availability of land resources in specific areas and maintain their productivity and ecological stability for a long time. The research into this subject not only helps to deepen the understanding of soil disintegration, but also provides strong technical support for the rational utilization of land resources and the protection of the ecological environment. Full article
20 pages, 13314 KiB  
Article
Study on Mechanical Characteristics of Living Stumps and Reinforcement Mechanisms of Slopes
by Xueliang Jiang, Wenjie Liu, Hui Yang, Haodong Wang and Zhenyu Li
Sustainability 2024, 16(10), 4294; https://doi.org/10.3390/su16104294 - 20 May 2024
Viewed by 369
Abstract
As a novel technology for slope protection, living stumps have demonstrated the ability to significantly enhance slope stability. This study aims to investigate the mechanical properties of living-stump root systems and their reinforcement mechanisms on slopes through three-dimensional modeling tests. Using ABS materials, [...] Read more.
As a novel technology for slope protection, living stumps have demonstrated the ability to significantly enhance slope stability. This study aims to investigate the mechanical properties of living-stump root systems and their reinforcement mechanisms on slopes through three-dimensional modeling tests. Using ABS materials, a 3D model of a living elm stump was created via 3D printing; this was followed by slope model testing. The reinforcement mechanisms of living stumps were examined through a combination of model testing and numerical simulation. The results reveal that the presence of living stumps in the lower and middle sections of a slope causes the maximum-shear-stress zone of the soil to shift deeper. The stress distribution around the living stump is notably improved owing to the lateral root system. Living stumps positioned in the lower part of the slope intersect the potential sliding surface, gradually transferring soil shear stress to the root system through root–soil interactions. Furthermore, the tap roots and lateral roots of living stumps form a robust spatial network that can collectively withstand soil shear stress, thereby enhancing slope stability. Full article
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17 pages, 10720 KiB  
Article
Disintegration Characteristics of Remolded Granite Residual Soil with Different Moisture Contents
by Yicheng Chen, Xiaowen Zhou, Xiaotao Ai, Mi Zhou, Yu Zhao and Zexin Lan
Sustainability 2024, 16(1), 84; https://doi.org/10.3390/su16010084 - 21 Dec 2023
Cited by 1 | Viewed by 656
Abstract
Granite residual soil (GRS) has prominent disintegration characteristics which have induced various geological disasters and engineering problems. The initial moisture content is believed to affect the disintegration of GRS significantly. To explore the effects of the initial moisture content on the soil disintegration [...] Read more.
Granite residual soil (GRS) has prominent disintegration characteristics which have induced various geological disasters and engineering problems. The initial moisture content is believed to affect the disintegration of GRS significantly. To explore the effects of the initial moisture content on the soil disintegration characteristics and disintegration mechanism, disintegration tests were performed on remolded GRS with different initial moisture contents via the balance method, and the quantitative disintegration indices were corrected, considering the effects of water-absorption weight gain, in combination with a parallel water-absorption test. The disintegration characteristics and mechanism were thoroughly investigated, starting with the disintegration process curves and disintegration morphology, and combined with strength theory, X-ray diffraction (XRD) and X-ray fluorescence (XRF), the matric suction test, and the triaxial shear test. The results are as follows. (1) The corrected method improves the accuracy of the quantitative disintegration evaluation. (2) During the two disintegration stages, the forms of disintegration are dispersive fragmentation and progressive or block separation, and the soil matric suction and weakening of intergranular joining forces, respectively, are the drivers of disintegration. The first stage is usually completed within 1.5–2 min, and the disintegration ratio is usually within 20%. (3) The trends of change within the disintegration during the two stages show opposite water-content-dependent modes, and the soil samples with lower moisture contents have better water stability and slower disintegration in the second stage. The average disintegration rate of the soil with a moisture content of 24.4% in the first and second stages was approximately 1/5 and 13 times, respectively, that of the soil with a moisture content of 6.1%; these values can be rendered as 0.049%/s and 0.82%/s, respectively. The results provide some theoretical references for soil and water conservation and engineering applications in the GRS field. Full article
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Assessment of readiness to use eprocurement in Nigerian Construction Sector
Author: Nkole
Highlights: Drivers, enablers and Barriers to Use of Eprocurement; Risks of use of eprocurement in the construction sector; Technological advances in procurement of construction and civil engineering projects; Integration of digital technologies into existing systems of civil/ construction projects procurement.

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