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Buildings
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Study of Material Technology in Structural Engineering
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Study of Material Technology in Structural Engineering

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

Deadline for manuscript submissions: 20 September 2024 | Viewed by 5103

Special Issue Editors

Dr. Weipei Xue

E-Mail Website
Guest Editor
School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan 232001, China
Interests: high-strength and high-performance concrete; hydraulic coupling characteristics; damage mechanism; constitutive model; durability of concrete materials
Special Issues, Collections and Topics in MDPI journals
Dr. Jun Xu

E-Mail Website
Guest Editor
College of Civil Engineering and Architecture, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Interests: durability of concrete; ion transport; steel corrosion; prediction of concrete life; civil engineering materials
Special Issues, Collections and Topics in MDPI journals
Dr. Kai Cui

E-Mail
Guest Editor
Department of Civil And Environmental Engineering, TU428, The Hong Kong Polytechnic University, Kowloon, Hong Kong
Interests: carbonation; UHPC; nanomaterials; utilization of industrial wastes
Special Issues, Collections and Topics in MDPI journals
Dr. Weiwei Wu

E-Mail Website
Guest Editor
1. School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
2. School of Engineering, The University of British Columbia, Vancouver, BC V1V 1V7, Canada
Interests: concrete structure; FRP structures; composite structures durability; high performance concrete materials; structural fatigue analysis

Special Issue Information

Dear Colleagues,

In the realm of modern civil engineering, the study of material technology stands as a cornerstone of innovation and progress. The selection, development, and application of construction materials are pivotal not only in ensuring the structural integrity of built infrastructures but also in shaping the sustainable and resilient future of our cities and societies. This Special Issue seeks to serve as a comprehensive collection of research in the dynamic field of material technology in civil engineering, encompassing a diverse array of subjects that highlight the latest advancements, challenges, and transformative potentials of construction materials. This Special Issue aims to not only deepen our understanding of the intricate properties of construction materials, but also inspire the development of innovative solutions that will define the future of our constructed world.

For this Special Issue, "Study of Material Technology in Structural Engineering", we welcome submissions of original research, theoretical and experimental works, case studies, and comprehensive review papers. Relevant topics include, but are not limited to, the following:

  • Advancements in concrete composition;
  • Sustainable construction materials;
  • Nanotechnology in construction;
  • Smart and self-healing materials;
  • Fiber-reinforced composites;
  • Durability and corrosion protection;
  • Recycling and reuse of construction materials;
  • Chemical and mineral admixtures.

Dr. Weipei Xue
Dr. Jun Xu
Dr. Kai Cui
Dr. Weiwei 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

  • material innovation
  • structural performance
  • construction materials
  • material characterization
  • durability
  • material testing
  • material behavior

Published Papers (7 papers)

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Research

20 pages, 4156 KiB  
Article
Analytical Solution for the Ultimate Compression Capacity of Unbonded Steel-Mesh-Reinforced Rubber Bearings
by Han Li, Shengze Tian and Xinzhi Dang
Buildings 2024, 14(3), 839; https://0-doi-org.brum.beds.ac.uk/10.3390/buildings14030839 - 20 Mar 2024
Viewed by 406
Abstract
Unbonded steel-mesh-reinforced rubber bearings (USRBs) have been proposed as an alternative isolation bearing for small-to-medium-span highway bridges. It replaces the steel plate reinforcement of common unbonded laminated rubber bearings (ULNR) with special steel wire meshes, resulting in improved lateral properties and seismic performance. [...] Read more.
Unbonded steel-mesh-reinforced rubber bearings (USRBs) have been proposed as an alternative isolation bearing for small-to-medium-span highway bridges. It replaces the steel plate reinforcement of common unbonded laminated rubber bearings (ULNR) with special steel wire meshes, resulting in improved lateral properties and seismic performance. However, the impact of this novel steel wire mesh reinforcement on the ultimate compression capacity of USRB has not been studied. To this end, theoretical and experimental analysis of the ultimate compression capacity of USRBs were carried out. The closed-form analytical solution of the ultimate compression capacity of USRBs was derived from a simplified USRB model employing elasticity theory. A parametric study was conducted considering the geometric and material properties. Ultimate compression tests were conducted on 19 USRB specimens to further calibrate the analytical solution, considering the influence of the number of reinforcement layers. An efficient solution for USRBs’ ultimate compression capacity was obtained via multilinear regression of the calibrated analytical results. The efficient solution can simplify the estimation of USRBs’ ultimate compression capacity while maintaining the same accuracy as the calibrated solution. Based on the efficient solution, the design process of a USRB with a specific ultimate compression capacity was illustrated. Full article
(This article belongs to the Special Issue Study of Material Technology in Structural Engineering)
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21 pages, 15190 KiB  
Article
The Influence of Boron Doping on the Structures and Composition of Dicalcium Silicate: A Research Study
by Da’an Zhang, Hao Zhou, Guodong Kang, Shenghu Zhang, Cheng Zhang, Xiaofei Yan, Bing Ma and Houhu Zhang
Buildings 2024, 14(3), 600; https://0-doi-org.brum.beds.ac.uk/10.3390/buildings14030600 - 23 Feb 2024
Viewed by 518
Abstract
This paper investigates the structural transformation of dicalcium silicate (C2S) crystals brought about through boron doping. Both qualitative and quantitative analyses were conducted to explore the correspondence between boron content and the structure of dicalcium silicate. The results show that boron [...] Read more.
This paper investigates the structural transformation of dicalcium silicate (C2S) crystals brought about through boron doping. Both qualitative and quantitative analyses were conducted to explore the correspondence between boron content and the structure of dicalcium silicate. The results show that boron doping can stabilize β-C2S and the high-temperature phase α′H-C2S, and the structural transformation does not involve the modulation of α′L-C2S. There is a corresponding relationship between the unit cells of β-C2S and α′H-C2S, which can be transformed using a transformation matrix. The relationship between boron content and the content of different C2S structures, as well as the structural expressions for β-C2S and α′H-C2S, is determined using linear fitting and multivariable linear regression analysis. Full article
(This article belongs to the Special Issue Study of Material Technology in Structural Engineering)
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17 pages, 5376 KiB  
Article
The Performance and Reaction Mechanism of Untreated Steel Slag Used as a Microexpanding Agent in Fly Ash-Based Geopolymers
by Jun Zang, Chunlei Yao, Bing Ma, Zhiyuan Shao, Houhu Zhang, Jiaqing Wang, Binbin Qian, Hao Zhou and Yueyang Hu
Buildings 2024, 14(2), 463; https://0-doi-org.brum.beds.ac.uk/10.3390/buildings14020463 - 07 Feb 2024
Viewed by 666
Abstract
Steel slag is an industrial by-product of the steelmaking process, which is under-utilized and of low value due to its characteristics. Alkali-activated technology offers the possibility of high utilization and increased value of steel slag. A geopolymer composition was composed of steel slag, [...] Read more.
Steel slag is an industrial by-product of the steelmaking process, which is under-utilized and of low value due to its characteristics. Alkali-activated technology offers the possibility of high utilization and increased value of steel slag. A geopolymer composition was composed of steel slag, fly ash, and calcium hydroxide. Four experimental groups utilizing steel slag to substitute fly ash are established based on varying replacement levels: 35%, 40%, 45%, and 50% by mass. The final samples were characterized by compressive strength tests, and Fourier-transform infrared spectroscopy measurements, thermogravimetric measurements, scanning electron microscopy with energy dispersive spectroscopy, X-ray diffraction, and mercury intrusion porosimetry were used to investigate the chemical composition and microstructure of the final products. Higher steel slag/fly ash ratios lead to a lower bulk density and lower compressive strength. The compressive strength ranges from 3.7 MPa to 5.6 MPa, and the bulk density ranges from 0.85 g/cm3 to 1.13 g/cm3. Microstructural and energy-dispersive X-ray spectroscopy analyses show that the final geopolymer products were a type of composite consisting of both calcium aluminate silicate hydrate and sodium aluminate silicate hydrate, with the unreacted crystalline phases acting as fillers. Full article
(This article belongs to the Special Issue Study of Material Technology in Structural Engineering)
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17 pages, 7668 KiB  
Article
Influence of Stress Disturbance on the Deformation of Nearby Cemented Roadways following the Excavation of Chambers
by Yueying Zhang, Dongxiao Zhang, Xufei Gong, Wei Zhang, Zihao Liu and Feng Xiong
Buildings 2024, 14(1), 169; https://0-doi-org.brum.beds.ac.uk/10.3390/buildings14010169 - 09 Jan 2024
Viewed by 749
Abstract
Based on the engineering background of weakly cemented roadways and adjacent chambers in Western China, a numerical simulation method was used to examine the changes in stress distribution and increment in the surrounding rock of weakly cemented roadways adjacent to chambers. The results [...] Read more.
Based on the engineering background of weakly cemented roadways and adjacent chambers in Western China, a numerical simulation method was used to examine the changes in stress distribution and increment in the surrounding rock of weakly cemented roadways adjacent to chambers. The results show that the surrounding rock stress of the weakly cemented roadway adjacent to the chambers increases by approximately 30%. The vertical stress of the surrounding rock mainly expands along the vertical direction, and the expansion range is 7–12 times that of the chamber height. The horizontal stress of the surrounding rock mainly expands along the horizontal direction, and the expansion range is 3–6 times that of the chamber width. Based on the support idea of “allowable deformation” + “relief pressure” + “maintaining roadway shape”, the support technology of weakly cemented roadways adjacent to chambers is established with “full section U-shaped steel shed + filling flexible materials between the steel shed and surrounding rock + patching the roof bolt + laying concrete on floor”. An engineering test based on the above support technology was carried out, and it was found that the deformation of the weakly cemented roadway adjacent to the chambers was 0 in 20 days. Full article
(This article belongs to the Special Issue Study of Material Technology in Structural Engineering)
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16 pages, 4418 KiB  
Article
The Influence of Disused ZSM-5 on the Performance of Phosphogypsum-Based Autoclaved Aerated Concrete
by Hao Zhou, Jiaqing Wang, Yang Jiang, Ruihuan Liang, Bing Ma, Houhu Zhang, Binbin Qian and Yueyang Hu
Buildings 2023, 13(12), 3012; https://0-doi-org.brum.beds.ac.uk/10.3390/buildings13123012 - 02 Dec 2023
Viewed by 689
Abstract
Zeolite Socony Mobil-5 (ZSM-5) is a commonly spent catalyst in the petrochemical industry; and phosphogypsum (PG) is a kind of industrial waste produced in the process of phosphoric acid production. The environmental issues caused by these two solid wastes are urgent and thus [...] Read more.
Zeolite Socony Mobil-5 (ZSM-5) is a commonly spent catalyst in the petrochemical industry; and phosphogypsum (PG) is a kind of industrial waste produced in the process of phosphoric acid production. The environmental issues caused by these two solid wastes are urgent and thus sustainable methodologies are required to dispose of and reutilize them. In this research, the waste ZSM-5 and waste PG were used to prepare a novel autoclaved aerated concrete. The effects of the different contents of disused ZSM-5 on the microstructures and performance of the PG-based AAC were determined. The results showed that the compressive strength and bulk density of the DZ4 sample were 2.6 MPa and 520 kg/m3, respectively. This study provides a novel and green approach to the reutilization of both waste PG and spent ZSM-5. Full article
(This article belongs to the Special Issue Study of Material Technology in Structural Engineering)
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17 pages, 5266 KiB  
Article
The Composition and Performance of Iron Ore Tailings in Steel Slag-Based Autoclaved Aerated Concrete
by Hao Zhou, Yang Jiang, Jiaqing Wang, Houhu Zhang, Binbin Qian, Bing Ma and Yueyang Hu
Buildings 2023, 13(12), 2942; https://0-doi-org.brum.beds.ac.uk/10.3390/buildings13122942 - 25 Nov 2023
Viewed by 924
Abstract
Iron ore tailings (IOTs) are byproducts of the iron mining industry that have gained significant attention in recent years due to their potential for comprehensive utilization. This study investigates how blending steel slag with IOTs (a siliceous raw material) instead of lime (a [...] Read more.
Iron ore tailings (IOTs) are byproducts of the iron mining industry that have gained significant attention in recent years due to their potential for comprehensive utilization. This study investigates how blending steel slag with IOTs (a siliceous raw material) instead of lime (a calcareous raw material) affects slurry foaming properties, mechanical properties, and reaction mechanisms of autoclaved aerated concrete (AAC). The results indicate that the sample containing 24% IOT content exhibited the best performance, with a bulk density of 640 kg/m3 and a compressive strength of 4.1 MPa. In addition, IOTs not only served as a filling material but also acted as a carrier for the growth of tobermorite. Tobermorite was combined with the unreacted iron tailing and its neighboring tobermorite to form a cohesive whole. This study provides valuable insights into the potential for IOTs to improve the properties of AAC when used as a supplementary material. The findings also suggest that the comprehensive utilization of IOTs and other industrial byproducts have the potential to contribute to the development of sustainable building materials and reduce the environmental impact of the mining industry. Full article
(This article belongs to the Special Issue Study of Material Technology in Structural Engineering)
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17 pages, 4101 KiB  
Article
Flexural Behavior of Corroded RC Beams Strengthened by Textile-Reinforced Concrete
by Wei Xie, Jie Sheng, Zongjian Yu, Yan Li and Guotao Dou
Buildings 2023, 13(12), 2902; https://0-doi-org.brum.beds.ac.uk/10.3390/buildings13122902 - 21 Nov 2023
Cited by 1 | Viewed by 562
Abstract
The flexural behavior of corroded reinforced concrete (RC) beams strengthened with textile reinforced concrete (TRC) was analyzed and discussed in this work. Thirteen beams, including one reference beam, three corrosion-only beams, and nine TRC-strengthened corroded beams, were tested under four-point bending. The failure [...] Read more.
The flexural behavior of corroded reinforced concrete (RC) beams strengthened with textile reinforced concrete (TRC) was analyzed and discussed in this work. Thirteen beams, including one reference beam, three corrosion-only beams, and nine TRC-strengthened corroded beams, were tested under four-point bending. The failure modes, cracks, bearing capacity, load–displacement curves and ductility of the tested beams were analyzed. The results showed that the TRC played a role in increasing the number of cracks and decreasing the width of the cracks in the corroded RC beams. In terms of improving the bearing capacity, TRC can improve the bearing capacity of corroded beams even more than the reference beams, and the strengthening after removing the concrete cover of corroded RC beams is better than direct strengthening. The corroded beams after TRC strengthening exhibited improved ductility. The energy absorption index of the TRC-strengthened corroded RC beams increased with the increase in the number of textile layers. Full article
(This article belongs to the Special Issue Study of Material Technology in Structural Engineering)
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