Advanced Concrete Structures: Structural Behaviors and Design Methods—2nd Edition

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

Deadline for manuscript submissions: 31 July 2024 | Viewed by 734

Special Issue Editors


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Guest Editor
School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China
Interests: prestressed/precast concrete structures; novel steel–concrete structures; UHPC materials and structures; shear behavior of concrete structures; retrofitting/rehabilitation of concrete structures
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Guest Editor
School of Civil Engineering, Southwest Jiaotong University, Chengdu 610032, China
Interests: concrete structures; steel–concrete composite structures; high-performance concrete; geopolymer concrete; nonlinear behavior of concrete structures
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China
Interests: UHPC; FRP; prefabricated bridge technology
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Guest Editor
School of Highway, Chang’an University, Xi'an 710064, China
Interests: composite structures; advanced materials for civil infrastructure; bridge construction; high-performance shear connectors for composite structures; mechanical behavior of steel–UHPC/ECC/MPC composite beams; strengthening of NC–ECC concrete beams
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, numerous novel concrete materials and innovative concrete structures that enable accelerated construction, enhanced durability, cost-efficiency and a longer service life have been developed. However, research on the structural behavior and the methods used to design such materials and structures is limited, and the codification of the corresponding standards is still in its infant phase. This has significantly hindered the wider application of these novel concrete structures. The purpose of this Special Issue is to illustrate the latest achievements regarding the fundamental and practical investigation of novel concrete structures, with a particular focus on their structural behavior and design methods. 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/9CS580PPD4

The main topics of interest include, but are not limited to, the following:

  • Novel structures made of new concrete material, e.g., ultra high-performance concrete (UHPC), fiber-reinforced concrete (FRC), and engineering cementitious composites (ECC), etc.;
  • Precast/prestressed concrete structures for accelerated construction;
  • Steel/FRP/UHPC–concrete composite structures;
  • Connections or joins of prefabricated modular concrete elements;
  • Rehabilitation/retrofitting of existing concrete structures;
  • Shear behaviors of advanced concrete structures.

Prof. Dr. Haibo Jiang
Prof. Dr. Renda Zhao
Dr. Yunchao Tang
Dr. Xiaohong Zheng
Dr. Fangwen Wu
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

  • UHPC structures
  • shear behavior of concrete structures
  • precast concrete structures
  • connections of prefabricated concrete elements
  • rehabilitations of concrete structures
  • novel concrete composite structures

Related Special Issue

Published Papers (2 papers)

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Research

17 pages, 4601 KiB  
Article
The Mechanical Properties and Chlorine Resistance of Concrete Based on the Effects of Pouring Interval Time
by Zheng Chen, Zhaoqi Huang, Jingli Wei, Guoxin Zhao and Yunchao Tang
Buildings 2024, 14(6), 1558; https://doi.org/10.3390/buildings14061558 - 28 May 2024
Viewed by 181
Abstract
In practical engineering construction, differences in time intervals during concrete pouring arise due to issues in concrete quality control and construction procedures, thereby affecting the mechanical and durability properties of concrete. This study conducted compressive strength tests, splitting tensile strength tests, and natural [...] Read more.
In practical engineering construction, differences in time intervals during concrete pouring arise due to issues in concrete quality control and construction procedures, thereby affecting the mechanical and durability properties of concrete. This study conducted compressive strength tests, splitting tensile strength tests, and natural immersion tests to investigate the influence of time intervals in layered pouring on the mechanical strength and chloride ion concentration distribution of staged pouring concrete. Additionally, the study elucidated the mechanism by which pouring interval time affects the mechanical properties and resistance to chloride ion erosion of staged pouring concrete at the microstructure level. The results indicate that compared to ordinary concrete specimens, the splitting tensile strength of staged pouring concrete demonstrates a continuous decrease with increasing pouring interval time. The most significant splitting tensile strength decrease occurred at a 24 h interval. The compressive strength of staged pouring concrete initially decreases and then increases with increasing pouring interval time. At a pouring interval time of 12 h, the compressive strength of staged pouring concrete decreased the most. Results from the natural immersion tests demonstrate that chloride ion concentrations at the bonding interface and on both sides of staged pouring concrete increase continuously with the extension of pouring interval time. The chloride ion concentration at the bonding interface is consistently higher than that on both sides, and the difference between them decreases with increasing diffusion depth. The chloride ion concentration difference ΔC was proposed to evaluate the influence of bonding interface performance on chloride ion concentration, which decreases to varying degrees with increasing depth. The findings of this study can provide guidance for the research on the mechanical properties and durability of staged pouring concrete in practical engineering construction, as well as for engineering protective measures. Full article
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21 pages, 9073 KiB  
Article
Experimental Investigation on Shear Behavior of Non-Stirrup UHPC Beams under Larger Shear Span–Depth Ratios
by Lifeng Zhang, Bowen Deng, Beini He, Haibo Jiang, Jie Xiao, Yueqiang Tian and Junfa Fang
Buildings 2024, 14(5), 1374; https://doi.org/10.3390/buildings14051374 - 11 May 2024
Viewed by 362
Abstract
Due to the extraordinary mechanical properties of ultra-high-performance concrete (UHPC), the shear stirrups in UHPC beams could potentially be eliminated. This study aimed to determine the effect of beam height and steel fiber volume content on the shear behavior of non-stirrup UHPC beams [...] Read more.
Due to the extraordinary mechanical properties of ultra-high-performance concrete (UHPC), the shear stirrups in UHPC beams could potentially be eliminated. This study aimed to determine the effect of beam height and steel fiber volume content on the shear behavior of non-stirrup UHPC beams under a larger shear span–depth ratio (up to 2.8). Eight beams were designed and fabricated including six non-stirrup UHPC beams and two comparing stirrup-reinforced normal concrete (NC) beams. The experimental results demonstrated that the steel fiber volume content could be a crucial factor affecting the ductility, cracking strength, and shear capacity of non-stirrup UHPC beams and altering their failure modes. Additionally, the height of the beam had a considerable effect on its shear resistance. French standard formulae were more accurate for the UHPC beams with larger shear span–depth ratios, PCI-2021 formulae greatly overestimated the shear capacity of UHPC beams with larger shear span–depth ratios, and Xu’s formulae were more accurate for the steel fiber-reinforced UHPC beams with larger shear span–depth ratios. In summary, French standard formulae were the most suitable formulae for predicting the shear capacity of UHPC beams in this paper. Full article
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