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Research on Rock Mechanics and Rock Engineering, Geotechnical Engineering and...
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Research on Rock Mechanics and Rock Engineering, Geotechnical Engineering and Mining Sciences in Construction

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Structures".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 3602

Special Issue Editors

Dr. Xiaoyu Bai

E-Mail Website
Guest Editor
School of Civil Engineering, Qingdao University of Technology, Qingdao 266520, China
Interests: new material applications; underground structure anti-floating; geotechnical and foundation engineering; geotechnical engineering testing techniques
Special Issues, Collections and Topics in MDPI journals
Dr. Nan Yan

E-Mail Website
Guest Editor
School of Civil Engineering, Qingdao University of Technology, Qingdao 266520, China
Interests: environmental geotechnics; geotechnical and foundation engineering; coastal soft foundation treatment
Dr. Jianyong Han

E-Mail Website
Guest Editor
School of Civil Engineering, Shandong Jianzhu University, Jinan 250101, China
Interests: geotechnical engineering; performance analysis of underground structures; pipe jacking; ground anchorage theory; waterproof material
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Rocks and soils, as the main focus of geotechnical research, have a complicated structural and geotechnical stress field environment. The engineering properties of different geotechnical bodies are often complex and regional due to the different geological processes they undergo. Geotechnical engineering is an applied science that requires the use of theoretical knowledge, test results and engineering experience for proper analysis. The challenges arising in civil engineering construction have contributed to the development of geotechnical research. For these reasons, it is worthwhile to explore the direction of geotechnical research development in the future and the trends that it will present.

The main aim of this Special Issue is to explore the research on rock mechanics and rock engineering, geotechnical engineering and mining sciences in construction. The topics include, but are not limited to:

  • Rock mechanics and rock engineering;
  • Soil mechanics and foundation engineering;
  • Mining engineering;
  • Tunnelling engineering;
  • Geoenvironmental and petroleum engineering;
  • Offshore geotechnical engineering;
  • Energy geotechnical engineering;
  • Intelligent and digital geotechnical engineering;
  • Environmental geotechnics;
  • Foundation treatment technology;
  • Soils and rocks dynamics properties;
  • Engineering applications of new materials;
  • The mechanical, physical, hydraulic and thermal properties of geomaterials;
  • Theoretical analysis, testing techniques and numerical simulation of geotechnical media materials.

Dr. Xiaoyu Bai
Dr. Nan Yan
Dr. Jianyong Han
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. Buildings 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

  • rock mechanics and rock engineering
  • soil mechanics and foundation engineering
  • offshore geotechnical engineering
  • energy geotechnical engineering
  • intelligent and digital geotechnical engineering
  • engineering applications of new materials
  • foundation treatment technology
  • the mechanical, physical, hydraulic and thermal properties of geomaterials
  • theoretical analysis, testing techniques and numerical simulation of geotechnical media material

Published Papers (5 papers)

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Research

25 pages, 10760 KiB  
Article
Model Test Study on the Vertical Uplift Bearing Characteristics of Soil Continuous Solidified Pile Group Foundations
by Tao Sun, Fakai Yang, Xinzhuang Cui, Zhaochao Huang, Xianzhou Lyu, Ruijin Ma, Yujun Chang, Shengmei Liu, Chen Wang, Zhiyuan Lin and Xiaoning Zhang
Buildings 2024, 14(3), 849; https://doi.org/10.3390/buildings14030849 - 21 Mar 2024
Viewed by 454
Abstract
To solve the problem of the high bearing capacity of structures in deep and weak soil layers, we invented a new type of pile group foundation in which the soil was continuously solidified between piles (hereinafter referred to as the SCS pile group [...] Read more.
To solve the problem of the high bearing capacity of structures in deep and weak soil layers, we invented a new type of pile group foundation in which the soil was continuously solidified between piles (hereinafter referred to as the SCS pile group foundation). Considering the two key factors of pile spacing and CSM depth, the antipulling load characteristics of SCS pile group foundations in dry sand were studied via indoor half-model tests and numerical simulations. The results showed that the ultimate uplift capacity of the SCS pile group foundation with a 2D–6D CSM depth was about 2–3 times that of the traditional pile group. When the stiffness of the CSM is so large that its effect can be ignored, the greater the pile spacing is, the greater the ultimate uplift capacity is. For the same pile spacing, the greater the depth of the CSM is, the greater the ultimate uplift bearing capacity is. When the CSM depth is greater than 10D, the uplift effect of the CSM can be effectively exerted, and the antipulling advantage of the SCS pile group foundation can be fully utilized. This study provided a reference for the antipulling design of SCS pile foundations. Full article
(This article belongs to the Special Issue Research on Rock Mechanics and Rock Engineering, Geotechnical Engineering and Mining Sciences in Construction)
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12 pages, 2778 KiB  
Article
Application of a Hot Melt Recoverable Anchor Cable in Foundation Pit Support
by Shian Liu, Gang Liu, Hua Ji and Xueying Liu
Buildings 2024, 14(2), 393; https://doi.org/10.3390/buildings14020393 - 01 Feb 2024
Viewed by 522
Abstract
With the continuous development of the social economy, the depth of foundation pit excavation of proposed construction projects in various places gradually increases, which is closer to the building red line, and the surrounding environment is relatively complex; therefore, there are few supporting [...] Read more.
With the continuous development of the social economy, the depth of foundation pit excavation of proposed construction projects in various places gradually increases, which is closer to the building red line, and the surrounding environment is relatively complex; therefore, there are few supporting schemes for foundation pit selection. Based on the Vanke B-6 plot of a real estate development project, the project has close neighboring buildings. If we use a normal anchor cable, underground cut line problems are possible, and so we choose the hot melt-type recoverable anchor; with three element dispersion pressure, the anchor cable can minimize broken sections of brush slope excavation and has advantages of a simplified construction process and good seismic performance. Except for the cable barrel, the other parts and all steel strands can be recycled, and recycled parts can be reused. The recyclable bolt (cable) overcomes the disadvantages of the conventional bolt (cable) as a temporary support, such as pollution of the underground environment, encroachment on the underground space of adjacent buildings, and becoming an underground obstacle in follow-up projects. It accords with the characteristics of the times of environmental protection and sustainable development, and has achieved good economic and social benefits. Full article
(This article belongs to the Special Issue Research on Rock Mechanics and Rock Engineering, Geotechnical Engineering and Mining Sciences in Construction)
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13 pages, 3224 KiB  
Article
Study on Thermodynamic Properties of Spiral Tube-Encapsulated Phase-Change Material Energy Pile
by Ming Liu, Peng Zhang, Zhiyu Yang, Zhen Zhu, Xiaozheng Liu and Chuntang Ma
Buildings 2024, 14(1), 188; https://doi.org/10.3390/buildings14010188 - 11 Jan 2024
Viewed by 516
Abstract
Based on the research status of phase-change material (PCM) energy piles, this paper proposes a new type of PCM energy pile-spiral tube-encapsulated PCM energy pile. In order to study the related properties of the energy pile, this study designed and processed the relevant [...] Read more.
Based on the research status of phase-change material (PCM) energy piles, this paper proposes a new type of PCM energy pile-spiral tube-encapsulated PCM energy pile. In order to study the related properties of the energy pile, this study designed and processed the relevant test equipment and built an indoor scale model experimental system. The thermodynamic performance of the spiral tube-encapsulated phase-change energy pile under summer conditions was studied by the test system. Through the indoor scale model test, it is found that compared with the traditional energy pile, the spiral tube-encapsulated PCM energy pile improves the heat exchange capacity of the unit pile body in the early and middle stages of operation, and reduces the surface temperature of the pile body and the heating rate of the surface temperature of the pile body. The upward displacement of the energy pile top is reduced. The heat exchange capacity of the unit pile depth is increased by 6.52 W/m, the maximum pile surface temperature difference is 0.62 °C, and the maximum pile top displacement difference is 0.005 mm. In addition, the total heat transfer of the spiral tube-encapsulated PCM energy pile during the whole operation period is 3.38% higher than that of the traditional energy pile. However, during the whole operation period, the surface stress value of the spiral tube encapsulated PCM energy pile is higher than that of the traditional energy pile. The maximum difference between the two is 9.84 kPa and the maximum difference is 10.8%. The difference between the two is finally stabilized at 1.4 kPa with an increase in time, and the final difference is only 8.8%. Full article
(This article belongs to the Special Issue Research on Rock Mechanics and Rock Engineering, Geotechnical Engineering and Mining Sciences in Construction)
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24 pages, 15867 KiB  
Article
Study on the Stability of Accumulation Using a Slope Shaking Table Test during Earthquake Action
by Jianmin Xu, Yuyue Jia, Junwei Liu, Mohsen Saleh Asheghabadi and Yulin Wang
Buildings 2024, 14(1), 2; https://doi.org/10.3390/buildings14010002 - 19 Dec 2023
Viewed by 759
Abstract
To examine the effects of different peak accelerations on the stability of the accumulation slope and the effectiveness of anti-slide piles under seismic loads, this paper used the Fanlingqian landslide as the main research object and combined it with digital image correlation (DIC) [...] Read more.
To examine the effects of different peak accelerations on the stability of the accumulation slope and the effectiveness of anti-slide piles under seismic loads, this paper used the Fanlingqian landslide as the main research object and combined it with digital image correlation (DIC) technology in order to carry out a shaking table test. Then, the acceleration response, displacement field, strain field, the bending moment distribution of the 0.05–0.3 g ground motion accumulation slope, and the anti-slide pile reinforcement were studied. The results of the test show the following: the amplification coefficient of the measuring points A1–A6 of the accumulation slope reaches the maximum at a peak acceleration of 0.2 g, and its values are between 1.25 and 1.3, respectively. Finally, it shows a decreasing trend at a peak acceleration of 0.3 g, and its corresponding values are, respectively, between 1.1 and 1.2. In the anti-slip pile reinforcement test, due to the obstruction of the anti-slip pile, the damping of the soil around the pile increases. As the peak value of the seismic wave input increases, the amplification factor shows an overall decreasing trend. A1–A6 correspond to a peak acceleration of 0.3 g. The amplification factors are all close to 1. During different peak accelerations, the accumulation slope mainly experienced the earthquake-induced stage, tensile failure stage, creeping deformation stage, and overall instability stage. In the anti-slide pile reinforcement test, under the same conditions, the slope mainly experienced the earthquake-induced stage, tensile failure stage, lower sliding surface formation stage, and soil shedding stage in front of the pile. At the same time, the displacement and strain fields of each stage of the two groups of tests are compared, and it is found that the displacement and strain values of the accumulation slope test are greater than those of the anti-slide pile reinforcement test, and the horizontal displacement difference at the top of the slope is the most significant, reaching 2.3 times at the maximum. The bending moment of the anti-slide pile first increases and then decreases with the increase in acceleration, the reverse bending point of the pile appears at 5 times the pile diameter below the soil surface, and the maximum bending moment of the middle pile, corresponding to a peak acceleration of 0.05–0.3 g, is between 7.5 N·m and 47 N·m, respectively, while the maximum bending moment of the outer pile is between 6.5 N·m and 52 N·m, respectively. It is important to apply DIC image processing technology to the monitoring of landslide structure and the evaluation of slope stability in practical engineering. Full article
(This article belongs to the Special Issue Research on Rock Mechanics and Rock Engineering, Geotechnical Engineering and Mining Sciences in Construction)
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18 pages, 9949 KiB  
Article
A Cost-Effective System for Indoor Three-Dimensional Occupant Positioning and Trajectory Reconstruction
by Xiaomei Zhao, Shuo Li, Zhan Zhao and Honggang Li
Buildings 2023, 13(11), 2832; https://doi.org/10.3390/buildings13112832 - 11 Nov 2023
Viewed by 623
Abstract
Accurate indoor occupancy information extraction plays a crucial role in building energy conservation. Vision-based methods are popularly used for occupancy information extraction because of their high accuracy. However, previous vision-based methods either only provide 2D occupancy information or require expensive equipment. In this [...] Read more.
Accurate indoor occupancy information extraction plays a crucial role in building energy conservation. Vision-based methods are popularly used for occupancy information extraction because of their high accuracy. However, previous vision-based methods either only provide 2D occupancy information or require expensive equipment. In this paper, we propose a cost-effective indoor occupancy information extraction system that estimates occupant positions and trajectories in 3D using a single RGB camera. The proposed system provides an inverse proportional model to estimate the distance between a human head and the camera according to pixel-heights of human heads, eliminating the dependence on expensive depth sensors. The 3D position coordinates of human heads are calculated based on the above model. The proposed system also associates the 3D position coordinates of human heads with human tracking results by assigning the 3D coordinates of human heads to the corresponding human IDs from a tracking module, obtaining the 3D trajectory of each person. Experimental results demonstrate that the proposed system successfully calculates accurate 3D positions and trajectories of indoor occupants with only one surveillance camera. In conclusion, the proposed system is a low-cost and high-accuracy indoor occupancy information extraction system that has high potential in reducing building energy consumption. Full article
(This article belongs to the Special Issue Research on Rock Mechanics and Rock Engineering, Geotechnical Engineering and Mining Sciences in Construction)
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