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A Refined Physical Theory Model For Predicting The Seismic Behavior Of Braced Steel Frames
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Book Synopsis A Refined Physical Theory Model for Predicting the Seismic Behavior of Braced Steel Frames by : Kiyohiro Ikeda
Download or read book A Refined Physical Theory Model for Predicting the Seismic Behavior of Braced Steel Frames written by Kiyohiro Ikeda and published by . This book was released on 1984 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NEHRP Commentary on the Gidelines for the Seismic Rehabilitation of Buildings by : Eugene Zeller
Download or read book NEHRP Commentary on the Gidelines for the Seismic Rehabilitation of Buildings written by Eugene Zeller and published by DIANE Publishing. This book was released on 2000-06 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document from the National Earthquake Hazards Reduction Program (NEHRP) was prepared for the Building Seismic Safety Council (BSSC) with funding from the Federal Emergency Management Agency (FEMA). It provides commentary on the NEHRP Guidelines for the Seismic Rehabilitation of Buildings. It contains systematic guidance enabling design professionals to formulate effective & reliable rehabilitation approaches that will limit the expected earthquake damage to a specified range for a specified level of ground shaking. This kind of guidance applicable to all types of existing buildings & in all parts of the country has never existed before. Illustrated.
Book Synopsis Seismic Behavior of Concentrically Braced Steel Frames by : Ibrahim Fawzi Khatib
Download or read book Seismic Behavior of Concentrically Braced Steel Frames written by Ibrahim Fawzi Khatib and published by . This book was released on 1988 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preliminary Report on the Principal Geotechnical Aspects of the January 17, 1994 Northridge Earthquake by :
Download or read book Preliminary Report on the Principal Geotechnical Aspects of the January 17, 1994 Northridge Earthquake written by and published by . This book was released on 1994 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geotechnical Reconnaissance of the Effects of the January 17, 1995, Hyogoken-Nanbu Earthquake, Japan by : Koichi Akai
Download or read book Geotechnical Reconnaissance of the Effects of the January 17, 1995, Hyogoken-Nanbu Earthquake, Japan written by Koichi Akai and published by DIANE Publishing. This book was released on 1997 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Jan. 17, 1995, Hyogoken-Nanbu Earthquake was one of the worst disasters to hit Japan in almost half a century. It has been compared in its impact to the great Kanto (Tokyo) Earthquake of 1923. The Kobe-Osaka region held many similarities in its geologic and tectonic setting to many areas along the West Coast, and possibly, other areas of the U.S. A geotechnical reconnaissance to identify the relevant problems and issues was organized. This report provides a timely, first-hand overview of the type and extent of the geotechnical aspects of the damage.
Book Synopsis Behavior of Long Links in Eccentrically Braced Frames by : Michael D. Engelhardt
Download or read book Behavior of Long Links in Eccentrically Braced Frames written by Michael D. Engelhardt and published by . This book was released on 1989 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Analytical Studies on the Seismic Behavior of Conventional and Hybrid Braced Frames by : Jiun-Wei Lai
Download or read book Experimental and Analytical Studies on the Seismic Behavior of Conventional and Hybrid Braced Frames written by Jiun-Wei Lai and published by . This book was released on 2012 with total page 1023 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation summarizes both experimental and analytical studies on the seismic response of conventional steel concentrically braced frame systems of the type widely used in North America, and preliminary studies of an innovative hybrid braced frame system: the Strong-Back System. The research work is part of NEES small group project entitled "International Hybrid Simulation of Tomorrow's Braced Frames." In the experimental phase, a total of four full-scale, one-bay, two-story conventional braced frame specimens with different bracing member section shapes and gusset plate-to-beam connection details were designed and tested at the NEES@Berkeley Laboratory. Three braced frame specimens were tested quasi-statically using the same predefined loading protocol to investigate the inelastic cyclic behavior of code-compliant braced frames at both the global and local level. The last braced frame specimen was nearly identical to one of those tested quasi-statically. However, it was tested using hybrid simulation techniques to examine the sensitivity of inelastic behavior on loading sequence and to relate the behavior observed to different levels of seismic hazard. Computer models of the test specimens were developed using two different computer software programs. In the software framework OpenSees fiber-based line elements were used to simulate global buckling of members and yielding and low-cycle fatigue failure at sections. The LS-DYNA analysis program was also used to model individual struts and the test specimens using shell elements with adaptive meshing and element erosion features. This program provided enhanced ability to simulate section local buckling, strain concentrations and crack development. The numerical results were compared with test results to assess and refine and the ability of the models to predict braced frame behavior. A series of OpenSees numerical cyclic component simulations were then conducted using the validated modeling approach. Two hundred and forty pin-ended struts with square hollow structural section shape were simulated under cyclic loading to examine the effect of width-to-thickness ratios and member slenderness ratios on the deformation capacity and energy dissipation characteristics of brace members. The concept of a hybrid system, consisting of a vertical elastic truss or strong-back, and a braced frame that responds inelastically, is proposed herein to mitigate the tendency of weak-story mechanisms to form in conventional steel braced frames. A simple design strategy about member sizing of the proposed Strong-Back System is provided in this study. To assess the ability of the new Strong-Back System to perform well under seismic loading, a series of inelastic analyses were performed considering three six-story hybrid braced frames having different bracing elements, and three six-story conventional brace frames having different brace configurations. Monotonic and cyclic quasi-static inelastic analyses and inelastic time history analyses were carried out. The braced frame system behavior, bracing member force-displacement hysteresis loops, and system residual drifts were the primary response quantities examined. These indicated that the new hybrid system was able to achieve its design goals. Experimental results show for the same loading history that the braced frame specimen using round hollow structural sections as brace members has the largest deformation capacity among the three types of bracing elements studied. Beams connected to gusset plates at the column formed plastic hinges adjacent to the gusset plate. The gusset plates tend to amplify the rotation demands at these locations and stress concentrations tended to result in early fractures of the plastic hinges that form. To remedy this problem, pinned connection details used in the last two specimens; these proved to prevent failures at these locations under both quasi-static and pseudo-dynamic tests. Failure modes observed near the column to base plate connections in all of the specimens suggest the need for further study. Both OpenSees and LS-DYNA models developed in this study predict the global braced frame behavior with acceptable accuracy. In both models, low-cycle fatigue damage models were needed to achieve an acceptable level of fidelity. Shell element models were able to predict local behavior and the mode of failures with greater but not perfect confidence. OpenSees analysis results show that the proposed hybrid braced frames would perform better than conventional braced frames and that the story deformations are more uniform. Finally, future research targets are briefly discussed at the end of this dissertation.
Book Synopsis Dynamic Analysis of Seismically Resistant Eccentrically Braced Frames by : James M. Ricles
Download or read book Dynamic Analysis of Seismically Resistant Eccentrically Braced Frames written by James M. Ricles and published by . This book was released on 1987 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis US-Japan Workshop on Cooperative Research for Mitigation of Urban Earthquake Disasters by :
Download or read book US-Japan Workshop on Cooperative Research for Mitigation of Urban Earthquake Disasters written by and published by . This book was released on 1997 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Studies of a Single Story Steel Structure with Fixed, Semi-rigid and Flexible Connections by : Marwan N. Nader
Download or read book Experimental Studies of a Single Story Steel Structure with Fixed, Semi-rigid and Flexible Connections written by Marwan N. Nader and published by . This book was released on 1989 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preliminary Report on the Seismological and Engineering Aspects of the January 17, 1994 Northridge Earthquake by : Jack P. Moehle
Download or read book Preliminary Report on the Seismological and Engineering Aspects of the January 17, 1994 Northridge Earthquake written by Jack P. Moehle and published by . This book was released on 1994 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Response Spectrum Method for Multiple-support Seismic Excitations by : Armen Der Kiureghian
Download or read book A Response Spectrum Method for Multiple-support Seismic Excitations written by Armen Der Kiureghian and published by . This book was released on 1991 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Analysis of Nonlinear Structures Using State-space Formulation and Partitioned Integration Schemes by : Jose Antonio Inaudi
Download or read book Dynamic Analysis of Nonlinear Structures Using State-space Formulation and Partitioned Integration Schemes written by Jose Antonio Inaudi and published by . This book was released on 1993 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experiments on Eccentrically Braced Frames with Composite Floors by : James M. Ricles
Download or read book Experiments on Eccentrically Braced Frames with Composite Floors written by James M. Ricles and published by . This book was released on 1987 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cyclic Behavior of Steel Double Angle Connections by : Abolhassan Astaneh-Asl
Download or read book Cyclic Behavior of Steel Double Angle Connections written by Abolhassan Astaneh-Asl and published by . This book was released on 1989 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Study of the Behavior of Dual Steel Systems by : Andrew S. Whittaker
Download or read book An Experimental Study of the Behavior of Dual Steel Systems written by Andrew S. Whittaker and published by . This book was released on 1990 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ultimate Behavior of Butt Welded Splices in Heavy Rolled Steel Sections by : Michel Bruneau
Download or read book Ultimate Behavior of Butt Welded Splices in Heavy Rolled Steel Sections written by Michel Bruneau and published by . This book was released on 1987 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: