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Experimental And Analytical Performance Evaluation Of Welded Steel Moment Connections To Box Or Deep W Shape Columns
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Book Synopsis Experimental and Analytical Performance Evaluation of Welded Steel Moment Connections to Box Or Deep W-shape Columns by : Taejin Kim
Download or read book Experimental and Analytical Performance Evaluation of Welded Steel Moment Connections to Box Or Deep W-shape Columns written by Taejin Kim and published by . This book was released on 2003 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications by : Alphose Zingoni
Download or read book Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications written by Alphose Zingoni and published by CRC Press. This book was released on 2019-08-21 with total page 2435 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications comprises 411 papers that were presented at SEMC 2019, the Seventh International Conference on Structural Engineering, Mechanics and Computation, held in Cape Town, South Africa, from 2 to 4 September 2019. The subject matter reflects the broad scope of SEMC conferences, and covers a wide variety of engineering materials (both traditional and innovative) and many types of structures. The many topics featured in these Proceedings can be classified into six broad categories that deal with: (i) the mechanics of materials and fluids (elasticity, plasticity, flow through porous media, fluid dynamics, fracture, fatigue, damage, delamination, corrosion, bond, creep, shrinkage, etc); (ii) the mechanics of structures and systems (structural dynamics, vibration, seismic response, soil-structure interaction, fluid-structure interaction, response to blast and impact, response to fire, structural stability, buckling, collapse behaviour); (iii) the numerical modelling and experimental testing of materials and structures (numerical methods, simulation techniques, multi-scale modelling, computational modelling, laboratory testing, field testing, experimental measurements); (iv) innovations and special structures (nanostructures, adaptive structures, smart structures, composite structures, bio-inspired structures, shell structures, membranes, space structures, lightweight structures, long-span structures, tall buildings, wind turbines, etc); (v) design in traditional engineering materials (steel, concrete, steel-concrete composite, aluminium, masonry, timber, glass); (vi) the process of structural engineering (conceptualisation, planning, analysis, design, optimization, construction, assembly, manufacture, testing, maintenance, monitoring, assessment, repair, strengthening, retrofitting, decommissioning). The SEMC 2019 Proceedings will be of interest to civil, structural, mechanical, marine and aerospace engineers. Researchers, developers, practitioners and academics in these disciplines will find them useful. Two versions of the papers are available. Short versions, intended to be concise but self-contained summaries of the full papers, are in this printed book. The full versions of the papers are in the e-book.
Book Synopsis Experimental and Analytical Studies of Conventional and Modified Welded Steel Moment Connections Under Simulated Seismic Loading by : Qi-Song Yu
Download or read book Experimental and Analytical Studies of Conventional and Modified Welded Steel Moment Connections Under Simulated Seismic Loading written by Qi-Song Yu and published by . This book was released on 1999 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2004 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Analytical Studies of Full-scale Pre-Northridge Steel Moment Connections Under Dynamic Loading by : Qi-Song Yu
Download or read book Experimental and Analytical Studies of Full-scale Pre-Northridge Steel Moment Connections Under Dynamic Loading written by Qi-Song Yu and published by . This book was released on 1996 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Analytical Investigation of Panel Zone Behavior in Steel Moment Frames by : Sungyeob Shin
Download or read book Experimental and Analytical Investigation of Panel Zone Behavior in Steel Moment Frames written by Sungyeob Shin and published by . This book was released on 2017 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt: Steel moment resisting frames (MRFs) are one of the most commonly used lateral force resisting system for steel building construction located in regions of high seismic risk. Although steel moment frames were studied extensively following the 1994 Northridge Earthquake, one critical design issue is not yet completely understood: the role of the panel zone. Recent U.S. building codes have significantly increased the required shear strength of the panel zone for seismic applications. This leads to increased column sizes or the need for costly doubler plates. A number of past research studies showed that shear yielding of panel zones results in highly ductile behavior and provides a major contribution to frame deformation as an excellent source of energy dissipation. However, these same studies suggested that large panel zone shear deformation can cause high strain concentrations near the beam flange groove welds and can cause premature fracture at the joint. The overall goal of this research is to provide additional data to help answer the question: how much panel zone participation should be permitted in the inelastic seismic response of a steel moment frame? Despite a number of past studies on this issue, there are sharply conflicting views of how panel zones should be treated in design, both within the research community as well as within the building regulatory community. At the crux of the disagreements are concerns regarding fracture induced by panel zone yielding. There appears to be broad agreement that panel zone yielding is a highly ductile process. However, there is broad disagreement on the role that panel zone yielding plays in joint fracture. While there have been a number of past experimental studies on moment frame subassemblies with weak panel zones, the availability of data on large-scale specimens constructed using current US connection detailing and welding practices is very scarce. Further, the experimental database lacks critical data on panel zone behavior in deep columns and for columns subjected to significant axial forces. The primary focus of this dissertation is to provide much needed large-scale experimental data on the cyclic loading performance of steel moment frame joints with weak panel zones. The experimental study was supplemented by finite element analysis of the test specimens, intended to provide additional insights into the response of the test specimens. Cyclic loading tests were conducted on ten large-scale interior steel moment connections to study the seismic performance of the connections. The key variables for the tests were: panel zone strength; beam and column size; beam-to-column connection detail; and column axial stress. Nine of the ten test specimens performed well and met the acceptance criteria of 0.04 radian story drift angle for special moment frames in the current AISC Seismic Provisions. One specimen failed by fracture of the column flange just prior to achieving 0.04 radian story drift angle. In the experimental program, the weak panel zone specimens showed excellent performance, developing drift capacities as large as or larger than the strong panel zone specimens. The weak panel zone specimens exhibited less beam buckling and therefore less strength degradation than the strong panel zone specimens. Shear yielding of the panel zones in these specimens showed highly ductile behavior with stable hysteretic loops. The panel zone was an excellent energy dissipater. The results of this test program showed that acceptable performance of moment frame joints can be achieved over a range of panel zone strengths, varying from very weak to very strong. The experimental results also show that joints with weak panel zones can achieve very large inter-story drift angles prior to fracture. These experimental results suggest that current U.S. code requirements for panel zone strength merit reevaluation. Finite element models were developed of the test specimens, including a global model using shell elements and a local joint model using solid elements. The overall load deflection response of the test specimens predicted by the global models showed good agreement with the experimental results. Local joint models were developed to examine the potential for ductile fracture initiation using the Rupture Index. These studies suggested that the weak panel zone specimens should be far more prone to fracture than the strong panel zone specimens. This prediction, however, was inconsistent with the experimental observations. This suggest that using the Rupture Index as an indicator of the potential for ductile fracture initiation when comparing differing moment frame joint design options, as has been done by previous researchers, should be approached with caution.
Book Synopsis An Experimental Evaluation of a Welded and Bolted Moment Connection for Concrete Filled Steel Tube Column Moment Resisting Frames in Seismic Zones by : William W. Graham
Download or read book An Experimental Evaluation of a Welded and Bolted Moment Connection for Concrete Filled Steel Tube Column Moment Resisting Frames in Seismic Zones written by William W. Graham and published by . This book was released on 1996 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Analytical Studies of Two Types of Moment Connections for Composite Special Moment Frames by : Chung-Che Chou
Download or read book Experimental and Analytical Studies of Two Types of Moment Connections for Composite Special Moment Frames written by Chung-Che Chou and published by . This book was released on 2001 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings (FEMA 350) by : Federal Emergency Agency
Download or read book Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings (FEMA 350) written by Federal Emergency Agency and published by FEMA. This book was released on 2013-03-16 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1989 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Evaluation of Steel Wide-flange Columns in Moment-resisting Frames Under High Axial Load and Lateral Drift Demands by : Julien Cravero
Download or read book Experimental Evaluation of Steel Wide-flange Columns in Moment-resisting Frames Under High Axial Load and Lateral Drift Demands written by Julien Cravero and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Steel moment-resisting frames (MRFs) in seismic regions are designed to concentrate yielding in beams to dissipate the energy released by earthquakes. However, capacity design procedures in North American code provisions (CSA 2009; AISC 2010a) do not systematically prevent plastic deformations from occurring in columns. Under ground motions with a low probability of occurrence, steel columns as part of MRFs may develop plastic hinges which can lead to undesirable frame mechanisms. Due to a limited set of test data, the current modelling guidelines (PEER/ATC 2010; ASCE 2014) provide little guidance and often employ highly conservative component models for nonlinear modelling of steel columns. Thus, ASCE 41-13 (ASCE 2014) considers that a column possesses no plastic rotation capacity when the compressive axial load demands become larger than 50% of the critical load associated with the member. Hence, the seismic behaviour of steel columns needs to be characterized experimentally, in particular for high axial load and lateral drift demands. High axial load demands on columns are common in existing steel frame buildings due to gravity and can be increased by vertical accelerations and/or dynamic overturning effects in the case of end columns. This thesis intends to advance the state of knowledge on the hysteretic behaviour of steel columns with a large-scale testing program. Twelve column specimens utilizing W14 and W16 cross-sections that are typically used in steel MRFs are subjected to diverse axial and lateral loading sequences. Monotonic, symmetric and collapse-consistent loading histories are employed to push the columns far into the inelastic range and to assess their performance until collapse (i.e., point of loss of axial load carrying capacity). The transient effect on end columns within MRFs is also studied. Test results provide unique experimental data characterizing the cyclic behaviour of steel columns through the loss of their axial load carrying capacity. The effect of the local slenderness, the cross-section depth, the applied axial load ratio, the loading history and the steel material on the column performance is discussed. Moreover, test data are compared with pre-test simulation predictions carried out with a continuum finite element and a concentrated plasticity model.The thesis provides valuable insights on column performance under a wide range of seismic inputs, the interaction of axial load and lateral drift demands, strength and stiffness deterioration phenomena occurring at the component level and a failure mode associated with column axial shortening. In particular, experimental results show that all the tested column specimens exhibit an appreciable plastic rotation capacity even when subjected to high axial load demands. These results can serve to refine seismic design code provisions, revisit guidelines for the nonlinear analysis of steel columns and calibrate numerical models, on the basis of the proposed recommendations." --
Book Synopsis Localized Low Cycle Fatigue Failure of Welded Steel Moment Connections by :
Download or read book Localized Low Cycle Fatigue Failure of Welded Steel Moment Connections written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Welded steel moment frames were once thought to be one of the most ductile systems for resisting seismic loading. Welded steel moment connections (WSMCs) consisting of complete joint penetration welds between the beam flanges and the column flange along with a bolted shear tab connecting the beam web to the column flange gave the frame its resistance to lateral loads. However, the unexpected brittle failures initiated by cracks near or at the welds between the bottom beam flange and the column flange during the Northridge (1994) and Kobe (1995) Earthquakes challenged this belief. Over the last decade following the Northridge and Kobe earthquakes researchers have improved the global performance of the connection, however cracking near the weld is still observed in the experiments of these "improved" connections. Through all of these efforts to comprehend the behavior of the welded steel moment connection, no one has successfully understood the local behavior of the joint leading to the global failures that have been observed. This research makes an attempt to observe and understand the local behavior of the welded steel moment connection through analysis and a set of material and structural experimentations. Small coupons of beam flanges, developed according to the ASTM specifications, heat treated to different temperatures were tested to obtain the properties of the steel at different distances from the weld. In addition to the heat treated coupons, experiments were also conducted on the base and weld metal coupons. Structural experiments were conducted on the bottom beam flange tee joint specimens, which were consisted of a short section of the bottom beam flange welded to the column using a complete joint penetration weld. These simpler structural specimens were subjected to unidirectional load reversals along the direction of the beam for inspection of the local failure mechanism in a global specimen. Finite element simulations of the full-scale welded steel mome.
Book Synopsis Experimental and Analytical Studies of Beam to Box Column Connections by : Robert R. Linderman
Download or read book Experimental and Analytical Studies of Beam to Box Column Connections written by Robert R. Linderman and published by . This book was released on 1990 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Boundary Effects in Welded Steel Moment Connection by : Kyoung-Hyeog Lee
Download or read book Boundary Effects in Welded Steel Moment Connection written by Kyoung-Hyeog Lee and published by . This book was released on 1998 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Connections in Steel Structures by : R. Bjorhovde
Download or read book Connections in Steel Structures written by R. Bjorhovde and published by CRC Press. This book was released on 1988-02-19 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a State-of-the-Art Workshop on Connections and the Behaviour, Strength and Design of Steel Structures, Laboratorie de Mechanique et Technology, Ecole Normale Superieure, Cachan, France, 25-27 May 1987."
Download or read book Design Guide 11 written by T. J. Hogan and published by . This book was released on 2009-01-01 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural steel connections. Bolts and bolting.
Book Synopsis Studies in Steel Moment Resisting Beam-to-column Connections for Seismic-resistant Design by : Brent Blackman
Download or read book Studies in Steel Moment Resisting Beam-to-column Connections for Seismic-resistant Design written by Brent Blackman and published by . This book was released on 1995 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
