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Buildings
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Advances in Cold-Formed Steel Structures
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Advances in Cold-Formed Steel Structures

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

Deadline for manuscript submissions: closed (31 May 2024) | Viewed by 5444

Special Issue Editors

Dr. Junfeng Zhang

E-Mail Website
Guest Editor
School of Civil Engineering, Zhengzhou University, Zhengzhou 450001, China
Interests: cold-formed steel structures; modular steel buildings; advanced analysis of steel structures; seismic performance of steel structures
Dr. Hongwei Ma

E-Mail Website
Guest Editor
School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China
Interests: cold-formed steel structures; modular steel buildings; new structures and intelligent structures; seismic vibration control
Dr. Fangfang Liao

E-Mail Website
Guest Editor
School of Civil Engineering, Chang’an University, Xi’an 710061, China
Interests: cold-formed steel structures; seismic performance of steel structures; ductile fracture of steel structures; beam-column connection; steel tubular structure
Prof. Dr. Xin Cheng

E-Mail Website
Guest Editor
College of Civil Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Interests: cold-formed steel structures; seismic performance of steel structures; prefabricated steel structures; large-span steel structures; PEC structures
Prof. Dr. Ke Ke

E-Mail Website
Guest Editor
School of Civil Engineering, Chongqing University, Chongqing 40004, China
Interests: cold-formed steel structures; smart materials in seismic engineering; wind and power structures; seismic resilience; high strength steel
Special Issues, Collections and Topics in MDPI journals
Dr. Andi Su

E-Mail Website
Guest Editor
School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China
Interests: ultra-high strength steel structures; cold-formed steel structures; stainless steel structures; composite structures; fire engineering

Special Issue Information

Dear Colleagues,

Cold-formed steel (CFS) members are increasingly utilised in the construction fields in recent decades, due to their superior advantages of strength-to-weight ratios, prefabrication convenience (i.e., easy erection and installation), the possibility of mass production, and the economical long-term costs. The utilisation of CFS members can, meanwhile, be considered a ‘green and sustainable operation’, as it can reduce the carbon emissions to the environment, compared with other construction materials. Moreover, CFS members enable various novel cross-section types to be fabricated and, thus, can be used in different occasions, e.g., portal frames, space grid systems, rack structures, and photovoltaic brackets structures.

This Special Issue of Buildings, entitled “Advances in Cold-formed Steel Structures”, aims to showcase the state-of-the-art investigations on CFS members and structures. Topics of interest include, but are not limited to:

  • Cold-formed high strength steel members;
  • Cold-formed stainless steel members;
  • Cold-formed built-up section members;
  • Composite CFS members;
  • Machine-learning-based design for CFS members;
  • Joints and connections in CFS members;
  • Optimal design of CFS structures;
  • Seismic response of CFS structures;
  • Fire behaviour of CFS structures;

Dr. Junfeng Zhang
Dr. Hongwei Ma
Dr. Fangfang Liao
Prof. Dr. Xin Cheng
Prof. Dr. Ke Ke
Dr. Andi Su
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

  • CFS members
  • cold-formed high strength steel members
  • cold-formed stainless steel members
  • cold-formed built-up section members
  • composite CFS members
  • section optimization
  • connections
  • CFS structures

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

21 pages, 13125 KiB  
Article
A Study on Mechanical Performance of an Innovative Modular Steel Building Connection with Cross-Shaped Plug-In Connector
by Hongwei Ma, Ziming Huang, Xiongbin Song and Yuhong Ling
Buildings 2023, 13(9), 2382; https://doi.org/10.3390/buildings13092382 - 19 Sep 2023
Cited by 5 | Viewed by 2236
Abstract
Modular steel buildings show high assembly degree and fast installation speed. The inter-module connection (IMC) is one of the key technologies that restrict the robustness of modular steel buildings. An innovative IMC with a cross-shaped plug-in connector is proposed, and the connection consists [...] Read more.
Modular steel buildings show high assembly degree and fast installation speed. The inter-module connection (IMC) is one of the key technologies that restrict the robustness of modular steel buildings. An innovative IMC with a cross-shaped plug-in connector is proposed, and the connection consists of end plates of columns, the cross-shaped plug-in connector, bolts, cover plates, and one-side bolts. The proposed IMC is easily constructed, and the cross-shaped plug-in connector can improve the shear resistance of the core area. The mechanical model of the proposed IMC is presented, and the panel zone volume modified factor and initial rotational stiffness modified factor are proposed for calculating the shear capacity of the panel zone and the initial rotational stiffness. Numerical simulation was conducted considering the influences of axial compression ratios, sections of beams and columns, and the thickness of the tenon plate of the connector. The bearing capacity of the proposed IMC was analyzed, and the values of the two factors mentioned above were calculated, and their regression formulas are presented. The results show that the sections of beams and columns and the axial compression ratios show great influences on the bearing capacity of the proposed IMC, while the thickness of the tenon of the cross-shaped plug-in connector shows almost no effect. In addition, the sections of beams and columns show great influences on the shear capacity of the panel zone, as well as the initial rotational stiffness of the proposed IMC, while the thickness of the tenon of the cross-shaped plug-in connector and the axial compression ratios show little effect and almost no effect, respectively. Furthermore, the bending moment limit of the beam end of the proposed IMC is suggested to be 0.6 times the resistance bending moment, and the proposed IMC is considered to be a rigid connection or inclined to a rigid connection The proposed IMC has good mechanical performance, and design recommendations are presented. Full article
(This article belongs to the Special Issue Advances in Cold-Formed Steel Structures)
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16 pages, 3430 KiB  
Article
The Width-Thickness Ratio Limits of Thin-Walled Steel Elements with Complex Edge Stiffeners
by Junfeng Zhang, Shuran Gao, Bo Li, Liusheng Chu and Huan Wang
Buildings 2023, 13(4), 947; https://doi.org/10.3390/buildings13040947 - 3 Apr 2023
Viewed by 2413
Abstract
Complex edge stiffeners are widely used because of their superior performance over simple edge stiffeners in limiting flange buckling and improving local stability. However, most of the studies on complex edge stiffeners are qualitative. In this paper, the criterion to judge the stiffening [...] Read more.
Complex edge stiffeners are widely used because of their superior performance over simple edge stiffeners in limiting flange buckling and improving local stability. However, most of the studies on complex edge stiffeners are qualitative. In this paper, the criterion to judge the stiffening adequacy based on the buckling half-wavelength and buckling coefficient is proposed. It is considered as the criterion that the edge stiffeners’ stiffness is not less than the minimum stiffening stiffness or the half-wavelength of buckling is not more than the width of the flange. The criterion is followed for the minimum limits of the edge stiffener width−thickness ratios; whether the flange buckling occurs before the edge stiffener buckling and the economic implications are the criteria that should be followed for the maximum limits of the edge stiffener width−thickness ratios. Using the finite strip method, the feasibility of the criteria was verified by comparing them with the rules of simple edge stiffeners. The detailed design requirements for the width−thickness ratio limits of thin-walled steel elements with complex edge stiffeners were first given from an extensive parametric analysis. Based on the optimization algorithm, the suggestions and optimum sizes of complex edge stiffeners for thin-walled steel elements are provided, considering the sections’ economy and performance. It is considered that a ratio of 1:1 between the primary and the secondary edge stiffeners’ widths is the best configuration for elements with complex edge stiffeners. Full article
(This article belongs to the Special Issue Advances in Cold-Formed Steel Structures)
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