Advanced Technologies in Foundations Engineering and Construction Materials—2nd Edition

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Materials, and Repair & Renovation".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 864

Special Issue Editors


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Guest Editor
Faculty of Civil Engineering, University of Zilina, 010 26 Zilina, Slovakia
Interests: foundation engineering; numerical modelling in geotechnics; foamed concrete applications; reinforced soil structures by geosynthetics; in-situ geotechnical testing
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Guest Editor
Faculty of Civil Engineering, Wroclaw University of Science and Technology, Wyb, 50-370 Wyspianskiego 27, Wroclaw, Poland
Interests: geotechnical engineering; civil engineering; piles foundation; deep excavations; soil improvement technologies; reuse of waste material; sustainable geotechnics
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Guest Editor
Department of Engineering and Architecture, Università degli Studi di Parma, Parco Area delle Scienze, 43121 Parma, Italy
Interests: early warning systems; geotechnical monitoring; tunnel deformation and stresses; rock mechanics; artificial Intelligence; data mining and analysis; data calibration and validation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, we have been confronted with challenges in building construction technologies which are quite different from standard practices. These are mainly related to the possible reconstruction or revitalization of old buildings in industrial zones with the use of a high percentage of recycled materials, as well as an evaluation of old structures and their foundations due to certain limitations. This means that testing and surveying are more complicated in areas of existing buildings and that engineers must improve upon standard construction practices on the green yards. Therefore, advanced technologies and new construction materials have been introduced in order to solve this issue. The first section of research outputs collected in this Special Issue will focus on works related to piling, injection, and special foundation technologies where the design, realization, and testing of geotechnical structures should be combined into one procedure. The second one will focus on new materials and structures for pavement design and the design of resilient and parking zones, antivibration layers, and subbase layers using innovative materials such as reinforced foamed concrete. Some related research papers have been published in the previous edition of this Special Issue, which can be accessed using the following link: https://www.mdpi.com/journal/buildings/special_issues/84ERP765NX

The proposed Special Issue will gather contributions from authors with similar research interests, which are fully compatible with the European Green Deal strategy, where renovation and reconstruction can make buildings more energy-efficient and adaptable to climate changes.

Prof. Dr. Marian Drusa
Dr. Jaroslaw Rybak
Prof. Dr. Andrea Segalini
Guest Editors

Manuscript Submission Information

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Keywords

  • piles and injection technology
  • the design and issues of energy piles
  • the testing and design of piles
  • foundation reconstruction
  • sustainable pavement materials
  • reinforced foamed concrete
  • foamed concrete subbase structures
  • foamed concrete applications
  • water retention layers

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Published Papers (1 paper)

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Research

16 pages, 6503 KiB  
Article
A Study on the Influence of Anchor Rods’ Layout on the Uplift Resistance Characteristics of Inclined Anchor Short-Pile Foundations Based on FEA
by Yiran Gao, Yiqing Zhang, Qiang Xie, Quan Liu, Tinglei Liu, Ting You, Xiang Fu, Jun Duan, Peiyuan Qin, Tao Yang and Yucheng Chen
Buildings 2024, 14(8), 2580; https://doi.org/10.3390/buildings14082580 - 22 Aug 2024
Viewed by 636
Abstract
In the steep terrain of southwestern China, there are numerous complex strata characterized by thin overburden layers and well-behaved underlying bedrock, yet excavation poses significant challenges. This situation is unfavorable for the construction of transmission towers’ foundations. To address this issue, inclined anchor [...] Read more.
In the steep terrain of southwestern China, there are numerous complex strata characterized by thin overburden layers and well-behaved underlying bedrock, yet excavation poses significant challenges. This situation is unfavorable for the construction of transmission towers’ foundations. To address this issue, inclined anchor short-pile foundations have been proposed as foundations for transmission towers. These foundations not only reduce the depth and construction difficulty of excavation but also make full use of the load-bearing capacity of the bedrock. To investigate the influence of the anchor rods’ layout on the uplift resistance characteristics of inclined anchor short-pile foundations, numerical models were established using FLAC3D. The effects of the anchor rods’ position and the length of the free segment on the uplift resistance characteristics of inclined anchor short-pile foundations were explored. The results indicated that variations in the anchor rods’ position and the length of the free segment had minimal impact on the uplift resistance characteristics of inclined anchor short-pile foundations. The pile head displacements of short piles with different anchor rod positions were similar under both loading conditions. Under pure uplift loads, the maximum displacement before failure was approximately 13 mm, while under combined uplift and horizontal loads, the maximum displacement before failure was around 15 mm. Placing the anchor rod too low increased the difficulty of construction, while positioning it too high resulted in a shorter embedment length of the anchor rod in the pile’s body, leading to potential failure at the pile–anchor node. Therefore, it is recommended to position the anchor rod near the center of the short pile’s body. As the length of the free segment of the anchor rod decreased, there was a slight reduction in the displacement under the same uplift loading conditions, with an overall difference of less than 5%. However, if full-length anchoring was adopted, the anchor rod was prone to tensile shear failure. Compared with short-pile foundations of the same size, inclined anchor short-pile foundations demonstrated enhanced ultimate bearing capacity under uplift and combined uplift and horizontal loading. The improvement was more significant when horizontal loads were present. Under horizontal loading, the ultimate uplift bearing capacity of inclined anchor short-pile foundations decreased by only 14%, whereas that of single-pile foundations decreased by 24%. Full article
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