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RISMixed Finite-Element Modeling of Rectangular Concrete-Filled Steel Tube Members and Frames under Static and Dynamic Loads
Publisher: American Society of Civil Engineers
Abstract: A computational study was conducted to investigate the nonlinear response of composite frames consisting of rectangular concrete-filled steel tube (RCFT) beam-columns and steel framing subjected to static and dynamic loads. ...
Mixed Finite Element for Three-Dimensional Nonlinear Dynamic Analysis of Rectangular Concrete-Filled Steel Tube Beam-Columns
Publisher: American Society of Civil Engineers
Abstract: A beam finite-element formulation following Euler-Bernoulli beam theory is presented for geometrically and materially nonlinear analysis of rectangular concrete-filled steel tube (RCFT) beam-columns. The formulation is ...
A Cyclic Nonlinear Model for Concrete-Filled Tubes. I: Formulation
Publisher: American Society of Civil Engineers
Abstract: This paper presents a three-dimensional (3D) cyclic nonlinear finite-element model for concrete-filled steel tube (CFT) beam-columns and composite frame structures. This CFT beam finite element is incorporated into a matrix ...
Discussion of “<i>3D Beam‐Column Element with Generalized Plastic Hinges</i>” by Graham H. Powell and paul Fu‐Song Chen (July, 1986, Vol. 112, No. 7)
Publisher: American Society of Civil Engineers
Representation of Concrete-Filled Steel Tube Cross-Section Strength
Publisher: American Society of Civil Engineers
Abstract: This paper presents the development of a polynomial equation to represent the three-dimensional (3D) cross-section strength of square or rectangular concrete-filled steel tube (CFT) beam-columns. The equation provides an ...
A Cyclic Nonlinear Model for Concrete-Filled Tubes. II: Verification
Publisher: American Society of Civil Engineers
Abstract: Part I of this two-part paper presents a three-dimensional (3D) cyclic nonlinear finite-element macromodel for concrete-filled steel tube (CFT) beam-columns and composite frame structures. The material formulation consists ...
Repairs to Mid-Rise Steel Frame Damaged in Northridge Earthquake
Publisher: American Society of Civil Engineers
Abstract: The Borax corporate headquarters building, a low-rise steel moment frame, was less than one year old when it sustained significant structural damage during the 1994 Northridge earthquake. Seventy-five percent of its steel ...
Seismic Response of Composite Moment-Resisting Connections. I: Performance
Publisher: American Society of Civil Engineers
Abstract: The 1994 Northridge, California, earthquake precipitated numerous unexpected fractures in welded steel moment-resisting frame connections, mainly in the regions of the bottom girder flanges. This two-part paper reports on ...
Design of a Test Specimen to Assess the Effective Bond Length of Carbon Fiber-Reinforced Polymer Strips Bonded to Fatigued Steel Bridge Girders
Publisher: American Society of Civil Engineers
Abstract: Single-lap and double-lap specimens have been widely used to determine the shear strength of epoxy adhesives for many applications, including mechanical joints and retrofit of wing skins. Although it has been known that ...
Effective Bond Length of Carbon-Fiber-Reinforced Polymer Strips Bonded to Fatigued Steel Bridge I-Girders
Publisher: American Society of Civil Engineers
Abstract: After years in service, many steel girders have deteriorated to the point where fatigue cracks have initiated in the girders. In girders having cover plates that do not terminate in a compression region, a common type of ...