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RISSeismic Response and Design of Steel Multitiered Concentrically Braced Frames Not Specifically Detailed for Seismic Resistance
Publisher: ASCE
Abstract: Steel multitiered concentrically braced frames (MT-CBFs) not specifically detailed for seismic resistance with a response modification factor of R=3 are permitted in moderate seismic regions. Past research studies, however, ...
Seismic Performance Assessment of Multitiered Steel Buckling-Restrained Braced Frames Designed to 2010 and 2022 AISC Seismic Provisions
Publisher: American Society of Civil Engineers
Abstract: This paper aims to evaluate the seismic response of multitiered buckling-restrained braced frames (MT-BRBFs), assess the design provisions specified by the 2022 AISC Seismic Provisions for multitiered BRBFs, and propose ...
Analysis and Design Methods for Improved Stability of Two-Tiered Steel Eccentrically Braced Frames with Continuous I-Shaped Links
Publisher: American Society of Civil Engineers
Abstract: A set of seismic analysis and design requirements are presented to improve seismic stability of steel two-tiered eccentrically braced frames (EBFs) with I-shaped link beams. The proposed requirements include strength, ...
Analysis Methods for the Design of Special Concentrically Braced Frames with Three or More Tiers for In-Plane Seismic Demand
Publisher: American Society of Civil Engineers
Abstract: This paper presents two analysis methods for the in-plane seismic response of steel multitiered braced frames (MT-BFs) with three or more tiers: (1) a substructuring technique; and (2) a stiffness analysis method. ...
Novel Remediation for Buried Pipelines under Ground Deformation: Cross-Sectional Testing and an Analytical Modeling Approach
Publisher: ASCE
Abstract: This paper proposes a novel mitigation approach to improve the safety and structural integrity of buried steel transmission pipelines subjected to ground deformation. This method involves altering the boundary condition ...
Lateral Torsional Buckling Response of Compact I-Shaped Welded Steel Girders
Publisher: ASCE
Abstract: Recent studies investigating lateral torsional buckling suggest that North American steel design provisions may overestimate the bending resistance of welded girders that buckle laterally in the inelastic range. Furthermore, ...
Full-Scale Testing of Two-Tiered Steel Buckling-Restrained Braced Frames
Publisher: American Society of Civil Engineers
Abstract: A full-scale, two-tiered steel buckling-restrained braced frame (BRBF) was tested to evaluate experimentally the seismic behavior of steel multitiered BRBFs, namely, column stability response, column seismic demands, and ...
Analysis and Design of Two-Tiered Steel Braced Frames under In-Plane Seismic Demand
Publisher: American Society of Civil Engineers
Novel Remediation for Buried Pipelines under Ground Deformation: Large-Scale Laboratory Testing and Numerical Modeling
Publisher: ASCE
Abstract: A novel mitigation technique is proposed in this paper to effectively improve the safety and integrity of buried pipelines subjected to ground deformation and to mitigate the detrimental effects of ground deformation on ...
Lateral–Torsional and Distortional Buckling of I-Shaped Welded Steel Girders
Publisher: ASCE
Abstract: This paper presents the experimental testing and numerical simulations of four full-scale I-shaped welded steel girders to examine their lateral–torsional buckling (LTB) and lateral–distortional buckling (LDB) behaviors ...