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Buildings
Special Issues
Foundation Treatment and Building Structural Performance Enhancement
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Foundation Treatment and Building Structural Performance Enhancement

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

Deadline for manuscript submissions: closed (10 April 2024) | Viewed by 3572

Special Issue Editors

Dr. Jiangbo Xu

E-Mail Website
Guest Editor
Department of Highway School, Chang'an University, Xi'an 710061, China
Interests: geotechnical engineering; tunnel engineering
Dr. Peng Sha

E-Mail Website
Guest Editor
College of Civil Engineering, Shaoxing University, No. 508, Huanchengxi Road, Shaoxing, China
Interests: progressive failure of brittle rock; EDZ characteristics of rock mass in both tunnel and slope; application of UAV photogrammetry for quantitative characterization of rock mass
Prof. Dr. Zhi-Feng Wang

E-Mail Website
Guest Editor
School of Highway, Changan University, Xi’an 710064, China
Interests: geotechnical engineering; tunnelling engineering; ground Improvement; grouting
Dr. Jiangshan Li

E-Mail Website
Guest Editor
Wuhan Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, China
Interests: polluted soil; leaching action; solute migration; heavy metal pollution; environmental protection
Special Issues, Collections and Topics in MDPI journals
Dr. Song Feng

E-Mail Website
Guest Editor
College of Civil Engineering, Qishan Campus, Fuzhou University, Fujian, China
Interests: nature-based solution to cope with climate change; sustainable barrier systems for pollution control in waste disposal facilities using recycled wastes; energy harvesting and storage systems

Special Issue Information

Dear Colleagues,

In recent years, with the acceleration of urbanization, the stability of building structures has become a matter of great concern. Foundation treatment, as one of the important means of improving the stability of buildings, is crucial to securing the safety of buildings. In the process of foundation treatment, multiple factors such as geological conditions, building characteristics, and foundation treatment methods should be considered comprehensively. Through appropriate foundation treatment methods, the bearing capacity of the foundation can be improved and the stable connection between the building and the foundation can be increased, thereby enhancing the performance of the building structure.

This Special Issue of Buildings, entitled “Foundation Treatment and Building Structural Performance Enhancement” will provide an overview of existing knowledge on new methods of foundation treatment and building structure performance enhancement. We invite authors to submit original research, theoretical and experimental work, case studies, and comprehensive review papers for possible publication. Topics relevant to this Special Issue include, but are not limited to, the following subjects:

  • New methods for foundation treatment and enhancing the performance of building structures;
  • Low-carbon foundation treatment and building structural performance enhancement technology;
  • Innovative and sustainable foundation treatment and building structural materials;
  • Digital methods applied to foundations and building structures;
  • Performance evaluation of foundations and building structures;
  • Reliability and maintenance engineering of foundations and building structures;
  • Intelligent monitoring of foundations and building structures;
  • The application of intelligent integrated machinery in foundation treatment and building structures.

Dr. Jiangbo Xu
Dr. Peng Sha
Prof. Dr. Zhi-Feng Wang
Dr. Jiangshan Li
Dr. Song Feng
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

  • foundation treatment technology
  • structural performance enhancement
  • low-carbon technology
  • intelligent and digital engineering
  • intelligent machinery
  • building materials
  • safety and stability
  • engineering applications of new materials

Published Papers (6 papers)

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Research

19 pages, 11017 KiB  
Article
Ground Deformation of Shield Tunneling through Composite Strata in Coastal Areas
by Xiong Wu, Jiangbo Xu, Shaowei Wang, Peng Sha, Zemin Han, Xinyu Chen, Sheng Shu, Wei Qiao and Xianglong Zeng
Buildings 2024, 14(5), 1236; https://doi.org/10.3390/buildings14051236 - 26 Apr 2024
Viewed by 258
Abstract
In order to mitigate ground deformation during shield construction in both upper soft and lower hard strata of coastal areas, a numerical simulation was executed. This simulation assessed surface deformation under varying stratum ratios, grouting pressures, and earth bin pressures. The evaluation was [...] Read more.
In order to mitigate ground deformation during shield construction in both upper soft and lower hard strata of coastal areas, a numerical simulation was executed. This simulation assessed surface deformation under varying stratum ratios, grouting pressures, and earth bin pressures. The evaluation was primarily based on the amount of ground deformation, which revealed that hard rock strata offer superior settlement control compared to soft rock strata. The excavation of the right tunnel line increased disturbance to the left line at higher stratum ratios. Surface deformation demonstrated a linear correlation with earth pressure, with 130 kPa identified as the optimal point. Higher pressures resulted in extrusion deformation and ground uplift. Grouting pressure had a minimal impact on stratum deformation over time. The stratum ratio exerted the most significant influence on settlement, followed by earth pressure, with grouting pressure having the least impact. In the context of coastal tunnel construction, hard rock excavation is favored. Earth pressure must be balanced to prevent subsidence or uplift, while excessive grouting pressure does not significantly reduce subsidence. Grouting pressure should ensure the complete filling of voids. Full article
(This article belongs to the Special Issue Foundation Treatment and Building Structural Performance Enhancement)
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13 pages, 8674 KiB  
Article
Numerical Study on Permeability of Reconstructed Porous Concrete Based on Lattice Boltzmann Method
by Danni Zhao, Jiangbo Xu, Xingang Wang, Qingjun Guo, Yangcheng Li, Zemin Han, Yifan Liu, Zixuan Zhang, Jiajun Zhang and Runtao Sun
Buildings 2024, 14(4), 1182; https://doi.org/10.3390/buildings14041182 - 22 Apr 2024
Viewed by 309
Abstract
The reconstruction of the porous media model is crucial for researching the mesoscopic seepage characteristics of porous concrete. Based on a self-compiled MATLAB program, a porous concrete model was modeled by controlling four parameters (distribution probability, growth probability, probability density, and porosity) with [...] Read more.
The reconstruction of the porous media model is crucial for researching the mesoscopic seepage characteristics of porous concrete. Based on a self-compiled MATLAB program, a porous concrete model was modeled by controlling four parameters (distribution probability, growth probability, probability density, and porosity) with clear physical meanings using a quartet structure generation set (QSGS) along with the lattice Boltzmann method (LBM) to investigate permeability. The rationality of the numerical model was verified through Poiseuille flow theory. The results showed that the QSGS model exhibited varied pore shapes and disordered distributions, resembling real porous concrete. Seepage velocity distribution showed higher values in larger pores, with flow rates reaching up to 0.012 lattice point velocity. The permeability–porosity relationship demonstrated high linearity (the Pearson correlation coefficient is 0.92), consistent with real porous concrete behavior. The integration of QSGS-LBM represents a novel approach, and the research results can provide new ideas and new means for subsequent research on the permeability of porous concrete or similar porous medium materials. Full article
(This article belongs to the Special Issue Foundation Treatment and Building Structural Performance Enhancement)
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17 pages, 6158 KiB  
Article
Study on Slope Monitoring and Stability Based on Bolt–Cable Combined Support
by Yun Liu, Jie Lai and Jiangbo Xu
Buildings 2024, 14(4), 886; https://doi.org/10.3390/buildings14040886 - 25 Mar 2024
Viewed by 444
Abstract
To provide reference for the design and construction of anchoring measures in slope reinforcement and treatment projects, this article presents the on-site monitoring and analysis of the stress changes in anchor rods and anchor cables in a high-level layered rock slope of a [...] Read more.
To provide reference for the design and construction of anchoring measures in slope reinforcement and treatment projects, this article presents the on-site monitoring and analysis of the stress changes in anchor rods and anchor cables in a high-level layered rock slope of a deep excavation highway. Anchor rods and anchor cables are widely used reinforcement measures in slope reinforcement due to their simplicity and economy. In this article, we took the layered rock slope of a deep excavation highway as the monitoring object and installed monitoring equipment on slopes of different levels. Based on the monitoring data of slope anchor rods and anchor cables, the rationality of slope reinforcement and treatment measures was analyzed. This study shows that active support anchor cables have better reinforcement effects than the passive protection of anchor rods. The approximate position of the potential slip surface in the slope mass can be inferred according to the monitoring of slope anchor stress, which can guide a slope reinforcement and treatment project. Finally, FLAC3D V6.0 was used for numerical simulation analysis, which showed that the slope was in a stable state under the support of anchor rods and anchor cables. Full article
(This article belongs to the Special Issue Foundation Treatment and Building Structural Performance Enhancement)
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23 pages, 8113 KiB  
Article
Long-Term Bearing Capacity of Concrete Pile Composite Foundation under Composite Salt Erosion
by Dongqing Wang, Xiaohua Yang, Shasha Zhang, Chi Chen and Yanhu Zhao
Buildings 2024, 14(1), 289; https://doi.org/10.3390/buildings14010289 - 21 Jan 2024
Viewed by 683
Abstract
In order to study the long-term bearing capacity of concrete pile composite foundation in the Salt Lake area, based on the Tehran Isfahan high-speed railway project in Iran, the full (semi) immersion drying test and rapid freeze-thaw test was carried out, and the [...] Read more.
In order to study the long-term bearing capacity of concrete pile composite foundation in the Salt Lake area, based on the Tehran Isfahan high-speed railway project in Iran, the full (semi) immersion drying test and rapid freeze-thaw test was carried out, and the specimens were scanned by electron microscope. Numerical calculations were used to study the effects of different pile strengths and design parameters on the long-term bearing capacity of the composite foundation. The main conclusions were as follows: The concrete specimens in the adsorption zone deteriorated earlier and faster. In the rapid freeze-thaw tests, the strength attenuation of high-strength (C40, C50) specimens was smaller than that of low-strength specimens (C20). Within 20 years after construction, the additional settlement of low-strength (C20) piles was 12.21 mm, while high-strength concrete was less affected by deterioration. With pile spacing ranging from 1.8 m to 4.5 m, the maximum increase in additional settlement under the C20 condition was about 20 mm. The pile-soil stress ratio under the three conditions increased by 2.42, 6.59, and 8.63. As the pile length and diameter increased, the peak stress of the pile body moved towards the pile end, and the changes in the pile-soil stress ratio under the three conditions were similar. Full article
(This article belongs to the Special Issue Foundation Treatment and Building Structural Performance Enhancement)
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20 pages, 25314 KiB  
Article
Study on Arching Mechanism of Bridge Pile Foundation: Taking the Shiyangtai No.1 Bridge as an Example
by Lian-Hua Wang, Guo-Zheng Sun, Jiang-Bo Xu, Xiong Wu, Xin-Min Hou and Ze-Min Han
Buildings 2024, 14(1), 243; https://doi.org/10.3390/buildings14010243 - 16 Jan 2024
Viewed by 697
Abstract
The structure of a bridge has certain peculiarities, and its pile foundations are susceptible to uplift or settlement deformation due to various factors. This can result in bridge deck cracking, structural instability, tilting, and even irreversible damage, which significantly impacts the bridge’s stability [...] Read more.
The structure of a bridge has certain peculiarities, and its pile foundations are susceptible to uplift or settlement deformation due to various factors. This can result in bridge deck cracking, structural instability, tilting, and even irreversible damage, which significantly impacts the bridge’s stability and driving safety. This study focuses on the Shiyangtai No.1 Bridge and aims to investigate the factors that cause abnormal rise and fall deformations of bridge pile foundations. The study combines macro and micro analysis, physical characteristic testing of the overlying soil under the bridge pile foundation, and numerical simulation of the bridge pile foundation in the goaf. The study discusses in-depth the formation mechanism of the abnormal uplift of some pile foundations of the Shiyangtai No.1 Bridge based on the analysis of the factors influencing the abnormal rise and fall deformation of the bridge pile foundations at home and abroad. The expansive soil beneath the pile foundation is weak, and the force generated by the water expansion is insufficient to cause the pile foundation to rise to 309 mm. The results indicate that the pile foundation of the bridge is not affected by the expansion characteristics of the overlying soil. The collapse of the goaf roof generates double lateral thrust from the accumulation body at the bottom of the goaf and the upper collapse arch. This causes staggered bending uplift of the sandstone soil layer, resulting in upward squeezing pressure that causes the bridge pile foundation to rise. Therefore, the coal mining area is the main factor influencing the abnormal uplift of the pile foundation of the Shiyangtai No.1 Bridge. Full article
(This article belongs to the Special Issue Foundation Treatment and Building Structural Performance Enhancement)
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16 pages, 10570 KiB  
Article
Study on Numerical Simulation of Arch Mechanism of Bridge Pile Foundation
by Zhanhui Qu, Zemin Han, Haoyu Tang, Jiangbo Xu, Heping Wang and Yifan Liu
Buildings 2024, 14(1), 146; https://doi.org/10.3390/buildings14010146 - 07 Jan 2024
Cited by 1 | Viewed by 590
Abstract
Bridges are situated in a complex area with geological conditions that are challenging for engineering. It has been observed that certain pile foundations of bridges have been uplifted to varying degrees by up to 309 mm. This has a significant impact on the [...] Read more.
Bridges are situated in a complex area with geological conditions that are challenging for engineering. It has been observed that certain pile foundations of bridges have been uplifted to varying degrees by up to 309 mm. This has a significant impact on the bridge’s operation and driving safety. The causal mechanism of the bridge pile foundation arch is analyzed through a theoretical analysis and a Plaxis 3D (v.2013) finite element software simulation. The influence of the ground stress and goaf on the bridge pile foundation under different working conditions is studied. The findings indicate that the uplift of the bridge pile foundation due to an equivalent ground stress is the largest, reaching approximately 300 mm in the bridge valley area. Additionally, the uplift of the non-bridge area in the goaf is greater than that of the bridge pile foundation. These results suggest that ground stress is the primary cause of the arching of a bridge pile foundation. Full article
(This article belongs to the Special Issue Foundation Treatment and Building Structural Performance Enhancement)
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