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High-Performance Steel–Concrete Composite Structures
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High-Performance Steel–Concrete Composite Structures

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

Deadline for manuscript submissions: closed (30 April 2022) | Viewed by 12915

Special Issue Editors

Prof. Dr. Wei Wang

E-Mail Website
Guest Editor
School of Civil Engineering, Tongji University, Shanghai 200092, China
Interests: high performance steel and composite structural system; seismic resilience of steel and composite structures; behavior and design of steel and composite structures under multi-hazard scenario
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Jia-Bao Yan

E-Mail Website
Guest Editor
School of Civil Engineering, Tianjin University, Tianjin 300350, China
Interests: high-performance structure; high-rise building; seismic engineering; constructional materials; steel–concrete composite structures; prefabricated structures; concrete structures and materials; numerical analysis; finite element analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The development of high-performance materials, e.g., high-strength steel and high-performance concrete, provides more alternatives to develop high-performance steel–concrete composite structures. This issue aims to incorporate the state-of-the-art developments of steel–concrete composite structures using these new high-performance materials, e.g., high-strength steel, weathering steel, high strength concrete, fiber-reinforced concrete, green concrete, lightweight concrete, recycled concrete, etc. Moreover, the applications of steel–concrete composite structures in mega projects are especially preferred, e.g., high-speed train bridges, long-span bridges, immersed tunnels, offshore structures, and tunnels.  

Including the developments and experimental studies on these high-performance steel–concrete composite structures, new theory and numerical methods on analyzing or simulating static, dynamic, or seismic responses of these high-performance steel–concrete composite structures are also included in this issue. 

Prof. Dr. Wei Wang
Prof. Dr. Jia-Bao Yan
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 semimonthly 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

  • steel–concrete composite structures
  • composite structures
  • high-strength concrete
  • high-strength steel
  • high-performance structure
  • fiber-reinforced concrete
  • green concrete
  • recycled concrete
  • numerical analysis
  • finite element analysis

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Published Papers (4 papers)

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Research

23 pages, 9770 KiB  
Article
Experimental Studies on Seismic Performance of UHPSFRC-Filled Square Steel Tubular Columns
by Yunbiao Luo, Yucai Zhao, Yuebo Chen, Xuchuan Lin and Jiabao Yan
Buildings 2022, 12(6), 798; https://doi.org/10.3390/buildings12060798 - 10 Jun 2022
Cited by 11 | Viewed by 2813
Abstract
The excellent seismic performance of concrete-filled steel tube (CFST) structures has been widely recognized, but there is a paucity of research on composite columns using UHPC with added steel fibers. This paper presents the experimental studies and numerical analyses with OpenSees on seismic [...] Read more.
The excellent seismic performance of concrete-filled steel tube (CFST) structures has been widely recognized, but there is a paucity of research on composite columns using UHPC with added steel fibers. This paper presents the experimental studies and numerical analyses with OpenSees on seismic performance of ultra-high performance steel fiber-reinforced concrete (UHPSFRC)-filled square steel tubular columns. Five half-scaled specimens of UHPSFRC-filled square steel tubular columns were tested under a combination of constant axial compression and cyclic horizontal load, with parameters of width-to-thickness ratio (28.5, 19.9 and 14.7) and axial compression ratio (0.133, 0.266 and 0.399) of the steel tube. With the decrease in width-to-thickness ratio, the maximum bending moment capacity increased by 33.5% and 15.3%, and the energy dissipation capacity and ductility increased, while the strength degradation and stiffness degradation reduced. With the increased axial compression ratio, the loading capacity increased from 55.3 to 70.2 kNm (26.94%). The results indicate that UHPSFRC-filled square steel tubular columns improve seismic performance by decreasing the axial compression ratio and by increasing the width-to-thickness ratio. When the width-to-thickness ratio was reduced, the steel tubular was able to provide higher lateral restraint to the internal UHPC; thus, seismic performance was improved. With the increase in the axial compression ratio, the second-order damage effect of the members was greatly affected, and it accelerated the plastic damage. A modified UHPSFRC model considering steel tubular constraints was adopted, and the nonlinear dynamic modeling of the column response using OpenSees led to good agreement with the tested response of the column under cyclic motion. The theoretical calculation model can better predict the bending capacity of the UHPSFRC-filled square steel tubular columns. However, the calculation formulas of initial stiffness and yield bending moment need further research. Full article
(This article belongs to the Special Issue High-Performance Steel–Concrete Composite Structures)
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20 pages, 30668 KiB  
Article
Experimental Study and Numerical Simulation for the Seismic Performance of an Innovative Connection between a Flat CFST Column and an H Beam
by En-Feng Deng, Yu-Han Wang, Zhe Liu, Yong-Ji Song, Zhen Wang and Dian-Bin Cao
Buildings 2022, 12(6), 735; https://doi.org/10.3390/buildings12060735 - 29 May 2022
Cited by 1 | Viewed by 2505
Abstract
A concrete-filled steel tube (CFST) column permits convenient and fast construction, and its use for high-rise buildings is increasing. Meanwhile, the CFST structure has great potential for use in residence buildings, owing to its smooth evaluation. A connection for a flat CFST column [...] Read more.
A concrete-filled steel tube (CFST) column permits convenient and fast construction, and its use for high-rise buildings is increasing. Meanwhile, the CFST structure has great potential for use in residence buildings, owing to its smooth evaluation. A connection for a flat CFST column has also attracted increasing attention from scholars. An innovative connection between a flat CFST column and an H beam was proposed and cyclically tested in this paper. The flat CFST column, with a width that is equal to the thickness of the partition wall, was adopted to avoid the protrusion of the column into the corner of the room. The configuration of the innovative connection was introduced, and three full-scale specimens, considering different relative positions of the beam and column, were tested under cyclic load to failure. The seismic performance, including the failure mode, ductility, etc., were revealed and evaluated. It was indicated that the plastic hinge of the connection was prominently removed outward, due to the reinforced short beam and the interior-diaphragm, verifying the reliability of the innovative connection. Furthermore, an elaborated finite element model was developed, and the results of the finite element simulation were compared with the experimental simulations. This comparison confirmed the reasonability of the developed finite element model. Full article
(This article belongs to the Special Issue High-Performance Steel–Concrete Composite Structures)
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21 pages, 5564 KiB  
Article
Critical Stress Determination of Local and Distortional Buckling of Lipped Angle Columns under Axial Compression
by Junfeng Zhang, Bo Li, Anqi Li and Shiyun Pang
Buildings 2022, 12(6), 712; https://doi.org/10.3390/buildings12060712 - 25 May 2022
Cited by 2 | Viewed by 2242
Abstract
In recent years, cold-formed steel has been widely used in prefabricated steel structures, and the common cross-section forms are mainly complex lipped angle sections. However, there is a lack of design guidance for such a cross-section due to the complex geometric property. The [...] Read more.
In recent years, cold-formed steel has been widely used in prefabricated steel structures, and the common cross-section forms are mainly complex lipped angle sections. However, there is a lack of design guidance for such a cross-section due to the complex geometric property. The restraint between adjacent plates cannot be considered proper for the traditional analytical method. Therefore, it is particularly important to study the stability bearing capacity of angle sections with complex edges under axial compression. In this paper, the finite strip software (CUFSM5) was used to analyze the critical stress of 1296 different angle sections under axial compression. The deformation diagram and the critical stress of elastic buckling were obtained. Considering the restraint between adjacent plates, the formula for predicting the critical stress of elastic local buckling of complex lipped angle sections was proposed and verified. Further, the critical stress of elastic distortional buckling of 918 complex lipped angle sections was analyzed by CUFSM. It was found that the cross-sections can be divided into two categories: cross-section without distortional point and cross-section with distortional point. It was found that the critical stress of elastic local buckling of the angle steel section can be significantly improved by the complex edge. Additionally, the critical stress of elastic local buckling of the section is less affected by the edge size for the complex edge section. The accuracy of the Hancock method for calculating the critical stress of elastic distortional buckling of complex lipped angle sections with distortional points was verified. The presented research can provide useful guidelines for designing cold-formed steel angle columns. Full article
(This article belongs to the Special Issue High-Performance Steel–Concrete Composite Structures)
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25 pages, 10991 KiB  
Article
Compressive Behavior of a Fully Prefabricated Liftable Connection for Modular Steel Construction
by En-Feng Deng, Jun-Yi Lian, Zhe Liu, Guang-Cao Zhang, Shi-Bo Wang and Dian-Bin Cao
Buildings 2022, 12(5), 649; https://doi.org/10.3390/buildings12050649 - 13 May 2022
Cited by 13 | Viewed by 3876
Abstract
Modular steel construction (MSC) consists of the off-site prefabrication of a fully finished module and the on-site assembling of the module unit. The popularity of MSC is on the rise, attributable to its technical advantages of speed and quality of buildings with repetitive [...] Read more.
Modular steel construction (MSC) consists of the off-site prefabrication of a fully finished module and the on-site assembling of the module unit. The popularity of MSC is on the rise, attributable to its technical advantages of speed and quality of buildings with repetitive units. Inter-module connection is critical for the overall stability and load-bearing capacity of MSC. An innovative, fully prefabricated liftable connection (FPLC) using standard corner fittings and long stay bolts is proposed in this paper. This paper focuses on the axial compressive behavior and design of FPLC. Five full-scale specimens were tested under axial compression. Local buckling of the column and shear of the long stay bolts were observed during the test. It can be concluded from the test results that the load-bearing capacity may decrease as the number and diameter of the stay bolts increase. A three-dimensional nonlinear finite element model (FEM) was developed and validated against the test results by general purpose finite element software ABAQUS. Furthermore, a parametric study was conducted using the verified FEM to provide a better understanding of the axial compressive behavior of the FPLC. The results of the parametric study indicated that the corner fitting can be up to 15% lighter for columns with thicknesses of 6 mm and 8 mm without substantial reduction of the axial load-bearing capacity of the FPLC. Moreover, the location of the column can be adjusted to achieve a uniform Von Mises stress and equivalent plastic strain (PEEQ) distribution of the connection. The presented research work provides an engineering-practical inter-module connection on its axial compressive behavior, which will provide helpful references for further application of MSC. Full article
(This article belongs to the Special Issue High-Performance Steel–Concrete Composite Structures)
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