Concrete-filled Tubular Members and Connections

Concrete-filled Tubular Members and Connections
Author: Xiao-Ling Zhao
Publisher: CRC Press
Total Pages: 286
Release: 2010-07-27
Genre: Architecture
ISBN: 9780415435000
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Using steel and concrete together utilizes the beneficial material properties of both elements. Concrete filled steel tubes represent a good example of a concrete – steel composite structure, and are particularly useful as columns in high rise buildings and bridge piers. They can be used in a range of fields, from civil and industrial construction through to the mining industry. Several aspects of concrete filled tubes have received little coverage in existing design standards, design guides or relevant books, but are addressed here: construction methods or quality and their effect on performance, confinement, creep effects, pre-load effects, size effects, seismic behaviour and post-fire behaviour, worked examples under practical conditions, numerical simulations, mechanics models, concrete-filled double skin tubes, SCC(self-consolidating concrete)-filled tubes, HPHSC (high performance high strength concrete)-filled tubes, high strength steel and thin-walled tubes filled with concrete, and fiber reinforced polymer strengthening of concrete filled tubes. This book not only summarizes the research performed to date on concrete-filled tubular members and connections but also compares the design rules in various standards (Eurocode 4, AISI-LRFD, ACI, AIJ and Chinese Standard), and provides design examples. An invaluable guide for professionals and a detailed source of information for graduate students and beyond.

Concrete-filled Tubular Members and Connections

Concrete-filled Tubular Members and Connections
Author: Xiao-Ling Zhao
Publisher: CRC Press
Total Pages: 303
Release: 2010-07-27
Genre: Architecture
ISBN: 1482266083
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Using steel and concrete together utilizes the beneficial material properties of both elements. Concrete filled steel tubes represent a good example of a concrete - steel composite structure, and are particularly useful as columns in high rise buildings and bridge piers. They can be used in a range of fields, from civil and industrial construction

Connections to Concrete-filled Steel Tubes

Connections to Concrete-filled Steel Tubes
Author: Yousef Mohammed Alostaz
Publisher:
Total Pages: 622
Release: 1997
Genre: Building, Iron and steel
ISBN:
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The objective of this research program was to study connections to concrete-filled steel tubes. This research focused on the connection to circular steel tubes, because this shape presents more detailing difficulties compared to the square counterpart. To accomplish the goals of this study, the research was divided into three phases: prototype frame design and analysis, a finite element analysis of several connections, and an experimental study on six large-scale connection specimens. In the first phase, two prototype moment-resisting steel frames were designed to satisfy the 1991 NEHRP Provisions. The inelastic performance of these frames was studied, and the connections with the highest ductility demand were isolated. The second phase of the research was devoted to the inelastic finite element analysis of several connection details. A 3-D finite element model was developed for each connection detail. The parameters used in the analytical study included: the diameter-to-tube wall thickness ratio, the applied axial load on the column, the moment-to-shear ratio of the girder, and the yield strength of the steel tube. In the third phase of the research, six 2/3rd-scale specimens were fabricated and tested with the quasi-static method. The flexural strength of the connection was the primary concern in this study. The analytical models and each experimental specimen were a T-shape configuration. A monotonic load was applied to the analytical finite element models. For the test specimens, a predetermined cyclic displacement was imposed at the girder tip, and the specimens were tested to destruction. Analytical and experimental results suggest that connections which attach exclusively to the tube wall exhibit large distortion of the tube wall in the connection vicinity, thus preventing the development of the girder flexural strength. Using external diaphragms improved the simple connection behavior, however, the performance was susceptible to the geometry of the diaphragm. The behavior was significantly improved when part of the girder forces was transferred to the concrete core. However, the improvement in behavior depended on the connection detail. Continuing the girder through the concrete-filled steel tube was the most effective method to develop the full plastic hinge in the connected girder.

Structural Analysis of Concrete-Filled Double Steel Tubes

Structural Analysis of Concrete-Filled Double Steel Tubes
Author: Yufen Zhang
Publisher: Springer Nature
Total Pages: 254
Release: 2020-09-17
Genre: Technology & Engineering
ISBN: 9811580898
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This book offers a clear and comprehensive overview of both the theory and application of fundamental aspects of concrete-filled double steel tubes (CFDST). Many analysis and design applications are presented, which involve mechanical components and structural members often encountered in engineering practice. This monograph is written for practicing structural and civil engineers, students, and academic researchers who want to keep up to speed on the latest technologies for concrete-filled steel tube (CFST).

Composite Construction in Steel and Concrete IV

Composite Construction in Steel and Concrete IV
Author: Jerome F. Hajjar
Publisher:
Total Pages: 0
Release: 2002
Genre: Building, Iron and steel
ISBN: 9780784406168
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This collection contains 85 papers presented at the Composite Construction in Steel and Concrete IV Conference, held in Banff, Alberta, Canada, May 28-June 2, 2000.

Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings (FEMA 350)

Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings (FEMA 350)
Author: Federal Emergency Agency
Publisher: FEMA
Total Pages: 11
Release: 2013-03-16
Genre:
ISBN:
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This report, FEMA-350 - Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings has been developed by the SAC Joint Venture under contract to the Federal Emergency Management Agency (FEMA) to provide organizations engaged in the development of consensus design standards and building code provisions with recommended criteria for the design and construction of new buildings incorporating moment-resisting steel frame construction to resist the effects of earthquakes. It is one of a series of companion publications addressing the issue of the seismic performance of steel moment-frame buildings. The set of companion publications includes: FEMA-350 - Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings. This publication provides recommended criteria, supplemental to FEMA-302 - 1997 NEHRP Recommended Provisions for Seismic Regulations for New Buildings and Other Structures, for the design and construction of steel moment-frame buildings and provides alternative performance-based design criteria. FEMA-351 - Recommended Seismic Evaluation and Upgrade Criteria for Existing Welded Steel Moment-Frame Buildings. This publication provides recommended methods to evaluate the probable performance of existing steel moment-frame buildings in future earthquakes and to retrofit these buildings for improved performance. FEMA-352 - Recommended Postearthquake Evaluation and Repair Criteria for Welded Steel Moment-Frame Buildings. This publication provides recommendations for performing postearthquake inspections to detect damage in steel moment-frame buildings following an earthquake, evaluating the damaged buildings to determine their safety in the postearthquake environment, and repairing damaged buildings. FEMA-353 - Recommended Specifications and Quality Assurance Guidelines for Steel Moment-Frame Construction for Seismic Applications. This publication provides recommended specifications for the fabrication and erection of steel moment frames for seismic applications. The recommended design criteria contained in the other companion documents are based on the material and workmanship standards contained in this document, which also includes discussion of the basis for the quality control and quality assurance criteria contained in the recommended specifications. The information contained in these recommended design criteria, hereinafter referred to as Recommended Criteria, is presented in the form of specific design and performance evaluation procedures together with supporting commentary explaining part of the basis for these recommendations.

Composite Special Moment Frames

Composite Special Moment Frames
Author: Zhichao Lai
Publisher:
Total Pages: 70
Release: 2020
Genre: Concrete-filled tubes
ISBN: 9780784415542
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This state-of-the-art report provides structural engineers an overview of designing connections for composite special moment frames.