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Research on the Seismic Design of Steel Frames
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Research on the Seismic Design of Steel Frames

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

Deadline for manuscript submissions: 30 November 2024 | Viewed by 1808

Special Issue Editors

Prof. Dr. Linfeng Lu

E-Mail Website
Guest Editor
School of Civil Engineering, Chang’an University, Xi'an, China
Interests: seismic design; steel frame; connection; cold-formed steel; corrosion; composited structures
Prof. Dr. Shaofeng Nie

E-Mail Website
Guest Editor
School of Civil Engineering, Chang’an University, Xi'an, China
Interests: seismic design; steel frame; connection; cold-formed steel; composited structures

Special Issue Information

Dear Colleagues,

Earthquakes have always been among the most dangerous natural calamities associated with human life and property protection. Some researchers will also pursue safe seismic design as a lifelong endeavor.

The 1994 Northridge earthquake in California profoundly affected the seismic design of steel frames, particularly the seismic design of beam-to-column connections.

In commemoration of the nearly 40th anniversary of the Northridge earthquake in the United States, we are launching this Special Issue to present the most recent research findings on the seismic design of steel frames.

All research and reviews on the seismic design of steel frames, including (but not limited to) experimental and numerical investigations, specification discussions, structural systems, connections and joints, and building retrofits, are welcome.

More examples of Special Issues of Buildings at: https://www.mdpi.com/journal/buildings/special_issues.

Prof. Dr. Linfeng Lu
Prof. Dr. Shaofeng Nie
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

  • steel frame
  • seismic design
  • connection
  • braced steel frame
  • steel plate shear wall
  • retrofit
  • joints

Published Papers (2 papers)

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Research

19 pages, 9729 KiB  
Article
An Investigation on the Seismic Behavior of the End-Plate Connection between a Steel Beam and the Weak-Axis of an H-Shaped Column Using a U-Shaped Connector
by Shaofeng Nie, Siyuan Chen, Weijie Wu, Xin Jiang, Shuo Wang, Yongzhen Lin and Mengxue Liu
Buildings 2024, 14(4), 1087; https://doi.org/10.3390/buildings14041087 - 13 Apr 2024
Viewed by 379
Abstract
The seismic behavior of the end-plate connections between a steel beam and the weak axis of the H-shaped steel column using a U-shaped connector was investigated using numerical analysis. Finite element (FE) models were established using ABAQUS 6.14 software, and the applicability of [...] Read more.
The seismic behavior of the end-plate connections between a steel beam and the weak axis of the H-shaped steel column using a U-shaped connector was investigated using numerical analysis. Finite element (FE) models were established using ABAQUS 6.14 software, and the applicability of the modeling approach was verified by comparing the numerical results with the relevant experimental results. This parametric study of the joint was carried out to analyze the effects of the thickness of the U-shaped connectors, the thickness of the end-plates, the axial compression ratio of the columns, and the linear stiffness ratio of the beam to the column. The results show that the U-shaped connector set in the weak axis of the H-shaped column can form a box-shaped panel zone with the column flange and web. The volume of the panel zone and its resistance to shear deformation are increased through this connection. Finally, the recommended reasonable ranges for the thickness of the U-shaped connector, the thickness of the end-plates, the axial compression ratio of the columns, and the linear stiffness ratio of the beam to the column are proposed in this paper. Full article
(This article belongs to the Special Issue Research on the Seismic Design of Steel Frames)
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15 pages, 5177 KiB  
Article
The Influence of Box-Strengthened Panel Zone on Steel Frame Seismic Performance
by Linfeng Lu, Jichen Zhang, Gaowei Zhang, Hao Peng, Bingyou Liu and Hanlin Hao
Buildings 2023, 13(12), 3042; https://doi.org/10.3390/buildings13123042 - 7 Dec 2023
Viewed by 588
Abstract
During the Northridge earthquake, extensive brittle failures on the weld zones of the beam bottom flanges in the rigidity connection of steel special moment frames (SMFs) were detected. One of the primary reasons is the high-tensile strain demand created at the beam bottom [...] Read more.
During the Northridge earthquake, extensive brittle failures on the weld zones of the beam bottom flanges in the rigidity connection of steel special moment frames (SMFs) were detected. One of the primary reasons is the high-tensile strain demand created at the beam bottom flange zones due to positive bending. The weak panel zone of the I-section column exhibits more shear deformation, which promotes and accelerates the brittle fracture of the beam bottom flange weld zones. A box-strengthened panel zone can minimize the shear deformation of the panel zone of the I-section column, which may also reduce the inter-story displacement of steel SMFs and enhance their seismic behavior. In order to investigate this fact, in this research we carried out a model test of a steel frame with a box-strengthened panel zone to examine SMFs’ seismic performance and inter-story displacement, as well as testing the contribution of panel zone shear deformation to inter-story drift. Numerical methods were then used to investigate the influence of the axial compression ratio and beam-to-column linear stiffness ratio on the effect of shear deformation on the box-strengthened panel zone. Design recommendations are given based on the research results. Full article
(This article belongs to the Special Issue Research on the Seismic Design of Steel Frames)
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