Download or read book Development of Seismic Steel Reinforcement Products and Systems written by and published by . This book was released on 1999 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: These papers will provide engineers and contractors with up-to-date information on new technologies that are available now to improve the performance of reinforced concrete structures, especially in zones of high seismicity and to make design and construction more cost effective.

Download or read book Developments of Seismic Steel Reinforcement Products and Systems written by R. H. Reiterman and published by . This book was released on 1999 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Seismic Design Aids for Nonlinear Analysis of Reinforced Concrete Structures written by Srinivasan Chandrasekaran and published by CRC Press. This book was released on 2016-04-19 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tools to Safeguard New Buildings and Assess Existing OnesNonlinear analysis methods such as static pushover are globally considered a reliable tool for seismic and structural assessment. But the accuracy of seismic capacity estimates-which can prevent catastrophic loss of life and astronomical damage repair costs-depends on the use of the correct b

Download or read book Influence of Reinforcing Steel Fracture on Seismic Performance of Concrete Structures written by Kuanshi Zhong and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Low-cycle fatigue and fracture of longitudinal reinforcing steel is a critical potential failure mode in concrete structures subjected to earthquake ground motions. Design to resist fracture depends on the reinforcing steel materials, the design details of the reinforced concrete members, and the cyclic deformation and strain demands imposed by the earthquake. Recently, concerns related to reinforcing bar fatigue and fracture have arisen due to two developments. One is the interest by the engineering and construction industry to utilize high-strength reinforcing steel materials in structures designed for regions with high seismic hazard. Since high-strength reinforcing bars tend to be less ductile and more prone to low-cycle fatigue, as compared to conventional Grade 60 bars, their adequacy for use in structures in high seismic regions needs to be confirmed. The second is related to concerns about long duration ground motions, which can increase the cyclic loading demands on steel reinforcement. Since current design methods do not explicitly consider the influences of ground motion duration, questions have been raised as to whether current seismic design requirements are adequate for structure in regions that may be affected by large magnitude earthquakes or geologic basin effects, which can lead to ground motion duration that are longer than considered in conventional designs. In the prevailing structural design and assessment methods, fatigue and fracture are only implicitly considered by checks of peak deformation measures (e.g., peak strain demand) or other proxy measures (e.g., cumulative plastic demand), which are not sufficient to resolve behavioral effects associated with material cyclic toughness and duration effects under random cyclic loading. This study (1) develops a reliable analytical framework and supporting computational tools for simulating fatigue and fracture in steel reinforcement, considering the steel material properties, reinforcing bar details in concrete structures, and random ground motion loading; (2) applies these methods to evaluate seismic design requirements for high-strength reinforcing bars, specifically Grade 80 and Grade 100 bars; (3) develops an analytical framework and algorithms for using nonlinear dynamic analysis results to systematically evaluate earthquake duration and ground motion spectral shape effects on structures; and (4) applies these methods to incorporate earthquake duration effects in the design of reinforced concrete bridge piers.

Download or read book Development of Seismic Strengthening and Retrofit Strategies for Critical Facilities Using Engineered Cementitious Composite Materials written by Keith E. Kesner and published by . This book was released on 2005 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Development of a Seismic Design Procedure for Metal Building Systems written by Jong-Kook Hong and published by . This book was released on 2007 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical simulation using the finite element analysis program ABAQUS demonstrated that good correlations in both the failure mode and the system strength characteristics could be achieved when a proper assumption on the initial geometric imperfections was made. A parametric study showed that the best correlation was found in the models with the first eigen buckling mode shape and an amplitude of Lb/1000 as an initial imperfection (Lb = unbraced length).

Download or read book Properties of Reinforcing Steel Used in Seismic Design written by Takim Andriono and published by . This book was released on 1986 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Seismic Response of Concrete Buildings with High strength Steel Reinforcement Using Fiber based Models written by Felipe Carrasco and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A numerical study was undertaken to evaluate the seismic response of a 10-story frame and a 15-story wall building designed with high-strength steel reinforcement (HSSR) having yield strength of 100 ksi and conventional Grade 60 reinforcement. The frame building was assumed to be located in San Francisco, California, and was designed in accordance with ASCE 7-10 and ACI 318-19. The wall building was assumed to be located in Concepcio̹n, Chile, and was designed in accordance with the Chilean Code NCh433. The frame and wall buildings with Grade 100 are designed with the same cross sections but with a reduced amount of reinforcement and nearly equal lateral strength than the buildings with Grade 60. The frame and wall buildings were analyzed numerically using a 2D model and through nonlinear static (pushover) and dynamic time-history analysis using fiber-based distributed plasticity elements. The results of the analyses showed that the frame and wall buildings designed with Grade 100 reinforcement developed larger roof and interstory drifts than the frame and wall buildings designed with Grade 60. Based on the analyses conducted, it is concluded that the frame building reinforced with Grade 100 may not necessarily experience more structural damage than the frame building with Grade 60. Conversely, for the wall building, results from the analyses showed that the building with Grade 100 may experience more damage than the wall building with Grade 60.

Download or read book Use of High strength Reinforcement in Earthquake resistant Concrete Structures written by NEHRP Consultants Joint Venture and published by . This book was released on 2017 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project was to study and make recommendations concerning the utilization of high-strength steel reinforcing bars in concrete structures subjected to earthquake ground motion. This work grew out of the ATC-57 report, The Missing Piece: Improving Seismic Design and Construction Practices (ATC, 2003), which defines a roadmap for the NIST problem-focused research and development program in earthquake engineering. The ATC-57 report recommended that NIST examine new technologies that can improve construction productivity, such as high-strength reinforcement.

Download or read book Design of Reinforced Concrete Buildings for Seismic Performance written by Mark Aschheim and published by CRC Press. This book was released on 2019-04-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An elegant, simple and theoretically coherent design framework. Detailing is given to both ACI 318 and Eurocode 8, and the required strength is determined on the basis of estimated yield displacement and the desired limits of system ductility and drift demands. Students users will benefit from the coverage of seismology, structural dynamics, reinforced concrete members, and capacity design approaches, which allows the book to be used as a foundation text in earthquake engineering.

Download or read book Optimisation of Ductility of Welded Steel Bars Ribbed Coils and Mesh Fabric for Reinforced Concrete Elements Under Severe Seismic Loads written by and published by . This book was released on 2002 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Seismic Design of Steel Structures written by Victor Gioncu and published by CRC Press. This book was released on 2013-11-21 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing real world applications for different structural types and seismic characteristics, Seismic Design of Steel Structures combines knowledge of seismic behavior of steel structures with the principles of earthquake engineering. This book focuses on seismic design, and concentrates specifically on seismic-resistant steel structures. Drawing on experience from the Northridge to the Tohoku earthquakes, it combines understanding of the seismic behavior of steel structures with the principles of earthquake engineering. The book focuses on the global as well as local behavior of steel structures and their effective seismic-resistant design. It recognises different types of earthquakes, takes into account the especial danger of fire after earthquake, and proposes new bracing and connecting systems for new seismic resistant steel structures, and also for upgrading existing reinforced concrete structures. Includes the results of the extensive use of the DUCTROCT M computer program, which is used for the evaluation of the seismic available ductility, both monotonic and cyclic, for different types of earthquakes Demonstrates good design principles by highlighting the behavior of seismic-resistant steel structures in many applications from around the world Provides a methodological approach, making a clear distinction between strong and low-to-moderate seismic regions This book serves as a reference for structural engineers involved in seismic design, as well as researchers and graduate students of seismic structural analysis and design.

Download or read book Product Development of Standardized Reinforcing Units written by Pekka Nykyri and published by . This book was released on 1982 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Evaluation of Reinforcing Steel Systems in Old Reinforced Concrete Structures written by Concrete Reinforcing Steel Institute and published by . This book was released on 1981 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book On the Development of Seismic Design Forces for Flexible Floor Diaphragms in Reinforced Concrete Wall Buildings written by Jorge Alberto Rivera and published by . This book was released on 2009 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Seismic Design of Reinforced Concrete Buildings written by Jack Moehle and published by McGraw Hill Professional. This book was released on 2014-10-06 with total page 783 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complete coverage of earthquake-resistant concrete building design Written by a renowned seismic engineering expert, this authoritative resource discusses the theory and practice for the design and evaluation of earthquakeresisting reinforced concrete buildings. The book addresses the behavior of reinforced concrete materials, components, and systems subjected to routine and extreme loads, with an emphasis on response to earthquake loading. Design methods, both at a basic level as required by current building codes and at an advanced level needed for special problems such as seismic performance assessment, are described. Data and models useful for analyzing reinforced concrete structures as well as numerous illustrations, tables, and equations are included in this detailed reference. Seismic Design of Reinforced Concrete Buildings covers: Seismic design and performance verification Steel reinforcement Concrete Confined concrete Axially loaded members Moment and axial force Shear in beams, columns, and walls Development and anchorage Beam-column connections Slab-column and slab-wall connections Seismic design overview Special moment frames Special structural walls Gravity framing Diaphragms and collectors Foundations

Download or read book Economic and Serviceable Structural Steel Seismic Load Resisting Systems written by Patrick S. McManus and published by . This book was released on 2010 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: Braced frame and moment frame lateral load resisting systems were developed in which inelastic deformations due to seismic loading were intended to be isolated to easily replaceable components. Fully bolted connections were utilized in both systems to facilitate simple component installation and replacement. WT components for the moment frame system were modeled using finite element analysis. Full scale component testing was performed to verify analytical results. Parameters taken from modeling and testing results were used to develop design provisions. An example building was designed using the provisions developed and analyzed under simulated earthquake accelerations to develop appropriate seismic performance factors. WT components designed using recommended geometric parameters resulted in desirable behavior. Recommended design equations correlated well to experimental test results. Experimental results suggested WT components designed using the recommended provisions exhibit adequate low cycle fatigue performance and deflection capacity to be used with wide flange beams up to a nominal depth of 30 in. (762 mm). Nonlinear time history analysis suggests seismic performance factors currently published for steel special moment frame systems are appropriate for the proposed WT moment frame system.