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Strength And Ductility Of High Strength Concrete Shear Walls Under Reversed Cyclic Loading
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Book Synopsis Strength and Ductility of High-strength Concrete Shear Walls Under Reversed Cyclic Loading by : Hooshang Dabbagh
Download or read book Strength and Ductility of High-strength Concrete Shear Walls Under Reversed Cyclic Loading written by Hooshang Dabbagh and published by . This book was released on 2005 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behaviour of Concrete Shear Walls Reinforced with High-Strength Reinforcement Under Reversed Cyclic Loading by : Nima Aghniaey
Download or read book Behaviour of Concrete Shear Walls Reinforced with High-Strength Reinforcement Under Reversed Cyclic Loading written by Nima Aghniaey and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ACI 440. 2R-17 Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures by : ACI Committee 440
Download or read book ACI 440. 2R-17 Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures written by ACI Committee 440 and published by . This book was released on 2017-04-27 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hysteretic Response of Steel-Clad, Wood-Framed Shear Walls Under Reverse-cyclic Loading by : Khoi Duc Mai
Download or read book Hysteretic Response of Steel-Clad, Wood-Framed Shear Walls Under Reverse-cyclic Loading written by Khoi Duc Mai and published by . This book was released on 2016 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: FEA models were developed and validated to predict shear strength and effective shear modulus of SCWF shear walls under monotonic loading. Moreover, the hysteretic behavior of SCWF shear walls was predicted using hysteretic behavior of sheathing-to-framing connector elements. Analyses were performed to assess the shear strength, stiffness, ductility, equivalent energy elastic plastic (EEEP), and hysteretic parameters of tested SCWF shear wall specimens. Experimental tests also provided the seismic design coefficients of SCWF shear walls, which are currently lacking in the building codes.
Book Synopsis REINFORCED CONCRETE STRUCTURAL WALLS WITH STAGGERED OPENING CONFIGURATIONS UNDER REVERSED CYCLIC LOADING by : Aejaz Ali and James K. Wight
Download or read book REINFORCED CONCRETE STRUCTURAL WALLS WITH STAGGERED OPENING CONFIGURATIONS UNDER REVERSED CYCLIC LOADING written by Aejaz Ali and James K. Wight and published by . This book was released on 1990 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Performance and Building Height Limits of Ductile Reinforced Concrete Masonry Shear Walls with Boundary Elements by : Nader Essam Aly
Download or read book Seismic Performance and Building Height Limits of Ductile Reinforced Concrete Masonry Shear Walls with Boundary Elements written by Nader Essam Aly and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Building Code of Canada, NBCC-15, has recently added a new Seismic Force Resisting System (SFRS) category, ductile shear walls, for Reinforced Concrete Masonry (RCM) buildings. Although it is given a higher ductility-related force modification factor, Rd=3.0, compared to that of moderately ductile walls Rd=2.0, NBCC-15 assigned the same building height limits for the ductile and moderately ductile RCM walls. The research work outlined herein contributes to the understanding of the seismic performance and collapse capacity of ductile RCM shear wall buildings with boundary elements. The main objective is to develop component and system levels, solutions and design recommendations to enhance the overall seismic performance of RCM buildings. At the component (structural element) level, it is proposed to utilize RCM shear walls with boundary elements built using C-shaped masonry blocks. To quantify the component's seismic performance, six half-scale high-rise RCM shear walls were constructed and tested under high constant axial compressive load, along with in-plane fully reversed cyclic loading synchronized with top moment. The tested walls represented the plastic hinge region of prototype 6- and 12-storey RCM structural walls. The studied parameters are the boundary element's length, the boundary element's vertical reinforcement ratio, the wall's shear span-to-depth ratio, the type of masonry blocks used in constructing the boundary elements (stretcher or C-shaped), and the lap splicing of vertical rebars in the plastic hinge region. At the system (building) level, a hybrid structural system composed of ductile and gravity walls is proposed. The ductile walls are RCM shear walls with boundary elements, whereas the gravity walls are conventional rectangular RCM walls with no special seismic detailing. Several archetype buildings were designed according to NBCC-15 and the Canadian masonry design standard CSA S304-14 with varying heights, location's seismicity, ductile shear wall ratios and cross-sectional configurations. Validated macro-modelling approaches were utilized to simulate the nonlinear response of the buildings. A series of linear and nonlinear, pseudo-static and dynamic time-history analyses were performed to quantify the influence of the studied parameters on the seismic response and collapse capacity. Besides, the possibility of increasing the height limits of ductile RCM shear walls was evaluated. Finally, the potential for reducing and terminating the specially detailed boundary elements over the building's height was investigated. The results of the experimental testing confirmed that the presence of the well-detailed and confined boundary elements is capable of mitigating the impacts of the high axial compression load. Using the C-shaped masonry blocks instead of the regular stretcher blocks in constructing the boundary elements enhanced the construction and performance of the walls. Lap splicing of vertical rebars increased the initial lateral stiffness, the rate of stiffness and strength degradation, and slightly limited the displacement ductility. However, with proper detailing of the splice and confinement of the end zones, the premature tensile bond failure was prevented. Based on the findings of the numerical simulations, it was suggested to increase the height limits of RCM buildings with ductile shear walls with boundary elements. In addition, the results emphasized that utilizing the ductile walls with boundary elements, instead of the traditional rectangular walls, in the proposed hybrid structural system enhanced the structural response and optimized the design. Furthermore, the results demonstrated the possibility of vertically reducing and terminating the specially detailed boundary elements. Therefore, the experimental and numerical results of this research form a step forward in presenting RCM shear walls with boundary elements as a practical and competitive SFRS.
Book Synopsis Buildings and Structures under Extreme Loads by : Chiara Bedon
Download or read book Buildings and Structures under Extreme Loads written by Chiara Bedon and published by MDPI. This book was released on 2020-11-25 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exceptional loads on buildings and structures may have different causes, including high-strain dynamic effects due to natural hazards, man-made attacks, and accidents, as well as extreme operational conditions (severe temperature variations, humidity, etc.). All of these aspects can be critical for specific structural typologies and/or materials that are particularly sensitive to external conditions. In this regard, dedicated and refined methods are required for their design, analysis, and maintenance under the expected lifetime. There are major challenges related to the structural typology and material properties with respect to the key features of the imposed design load. Further issues can be derived from the need for risk mitigation or retrofit of existing structures as well as from the optimal and safe design of innovative materials/systems. Finally, in some cases, no appropriate design recommendations are available and, thus, experimental investigations can have a key role within the overall process. In this Special Issue, original research studies, review papers, and experimental and/or numerical investigations are presented for the structural performance assessment of buildings and structures under various extreme conditions that are of interest for design.
Author :FIB – International Federation for Structural Concrete Publisher :FIB - Féd. Int. du Béton ISBN 13 : Total Pages :409 pages Book Rating :4./5 ( download)
Book Synopsis Proceedings fib Symposium in London UK by : FIB – International Federation for Structural Concrete
Download or read book Proceedings fib Symposium in London UK written by FIB – International Federation for Structural Concrete and published by FIB - Féd. Int. du Béton. This book was released on 2009-06-01 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reinforced Concrete Design: Principles And Practice by : Raju N. Krishna
Download or read book Reinforced Concrete Design: Principles And Practice written by Raju N. Krishna and published by New Age International. This book was released on 2007 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Book Systematically Explains The Basic Principles And Techniques Involved In The Design Of Reinforced Concrete Structures. It Exhaustively Covers The First Course On The Subject At B.E./ B.Tech Level.Important Features: * Exposition Is Based On The Latest Indian Standard Code Is: 456-2000. * Limit State Method Emphasized Throughout The Book. * Working Stress Method Also Explained. * Detailing Aspects Of Reinforcement Highlighted. * Incorporates Earthquake Resistant Design. * Includes A Large Number Of Solved Examples, Practice Problems And Illustrations.The Book Would Serve As A Comprehensive Text For Undergraduate Civil Engineering Students. Practising Engineers Would Also Find It A Valuable Reference Source.
Book Synopsis Failure, Distress and Repair of Concrete Structures by : Norb Delatte
Download or read book Failure, Distress and Repair of Concrete Structures written by Norb Delatte and published by Elsevier. This book was released on 2009-10-26 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding and recognising failure mechanisms in concrete is a fundamental pre-requisite to determining the type of repair, or whether a repair is feasible. This title provides a review of concrete deterioration and damage, as well as looking at the problem of defects in concrete. It also discusses condition assessment and repair techniques. Part one discusses failure mechanisms in concrete and covers topics such as causes and mechanisms of deterioration in reinforced concrete, types of damage in concrete structures, types and causes of cracking and condition assessment of concrete structures. Part two reviews the repair of concrete structures with coverage of themes such as standards and guidelines for repairing concrete structures, methods of crack repair, repair materials, bonded concrete overlays, repairing and retrofitting concrete structures with fiber-reinforced polymers, patching deteriorated concrete structures and durability of repaired concrete. With its distinguished editor and international team of contributors, Failure and repair of concrete structures is a standard reference for civil engineers, architects and anyone working in the construction sector, as well as those concerned with ensuring the safety of concrete structures. Provides a review of concrete deterioration and damage Discusses condition assessment and repair techniques, standards and guidelines
Book Synopsis Design of Concrete Structures Using High-strength Steel Reinforcement by : Bahram M. Shahrooz
Download or read book Design of Concrete Structures Using High-strength Steel Reinforcement written by Bahram M. Shahrooz and published by Transportation Research Board. This book was released on 2011 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 679: Design of Concrete Structures Using High-Strength Steel Reinforcement evaluates the existing American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD) Bridge Design Specifications relevant to the use of high-strength reinforcing steel and other grades of reinforcing steel having no discernible yield plateau. The report also includes recommended language to the AASHTO LRFD Bridge Design Specifications that will permit the use of high-strength reinforcing steel with specified yield strengths not greater than 100 ksi. The Appendixes to NCHRP Report 679 were published online.
Book Synopsis Studies on Reinforced Concrete Structural Walls by : Ashok Gupta
Download or read book Studies on Reinforced Concrete Structural Walls written by Ashok Gupta and published by . This book was released on 1996 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strength and Drift Capacity of GFRP-reinforced Concrete Shear Walls by : Nayera Ahmed Abdel-Raheem Mohamed
Download or read book Strength and Drift Capacity of GFRP-reinforced Concrete Shear Walls written by Nayera Ahmed Abdel-Raheem Mohamed and published by . This book was released on 2013 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: "With the rise in constructing using FRP reinforcement, owing to corrosion problems in steel-reinforced structures, there is a need for a system to resist lateral loads induced from wind and earthquake loads. The present study addressed the applicability of reinforced-concrete shear walls totally reinforced with glass-fiber-reinforced polymer (GFRP) bars to attain reasonable strength and drift requirements as specified in different codes. Four large-scale shear walls - one reinforced with steel bars (as reference specimen) and three totally reinforced with GFRP bars - were constructed and tested to failure under quasi-static reversed cyclic lateral loading. The GFRP-reinforced walls had different aspect ratios covering the range of medium-rise walls. The reported test results clearly showed that properly designed and detailed GFRPreinforced walls could reach their flexural capacities with no strength degradation, and that shear, sliding shear, and anchorage failures were not major problems and could be effectively controlled. The results also showed recoverable and self-centering behavior up to allowable drift limits before moderate damage occurred and achieved a maximum drift meeting the limitation of most building codes. Acceptable levels of energy dissipation accompanied by relatively small residual forces, compared to the steel-reinforced shear wall, were observed. Finite element simulation was conducted and the analyses captured the main features of behavior. Interaction of flexural and shear deformations of the tested shear walls was investigated. It was found that relying on the diagonal transducers tended to overestimate shear distortions by 30% to 50%. Correcting the results based on the use of vertical transducers was assessed and found to produce consistent results. Decoupling the flexural and shear deformations was discussed. Using GFRP bars as elastic material gave uniform distribution of shear strains along the shear region, resulting in shear deformation ranging from 15 to 20% of total deformation. The yielding of the steel bars intensified the shear strains at the yielding location, causing significant degradation in shear deformation ranging from 2 to 40% of total deformation. The results obtained demonstrated significantly high utilization levels of such shear wall type, therefore, primary guidelines for seismic design of GFRP-reinforced shear wall in moderate earthquakes regions was presented, as no design guidelines for lateral load resistance for GFRP-reinforced walls are available in codes. The ultimate limit state was addressed by providing strength capacity that limit ductility demand to their safe flexural displacement capacity. The strength demands were derived from ground motion spectra using modification factors that depend on both the strength and energy absorption of the structure. Deformation capacity was derived by proposing new definitions for elastic (virtual yield) displacement and maximum allowable displacement. Strength modification factor was proposed based on the test results. The occurrence of "virtual plastic hinge" for GFRP-reinforced shear walls was described providing new definitions convenient with the behavior of the GFRP-reinforced shear walls. "Virtual plastic hinge" length was estimated based on observations and calculations. Subsequently, the experimental results were used to justify the proposed design procedure. The promising results could provide impetus for constructing shear walls reinforced with GFRP bars and constitute a step toward using GFRP reinforcement in such lateral-resisting systems."
Book Synopsis Advances in Structural Engineering by : Vasant Matsagar
Download or read book Advances in Structural Engineering written by Vasant Matsagar and published by Springer. This book was released on 2014-12-12 with total page 1033 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents research papers presented by academicians, researchers, and practicing structural engineers from India and abroad in the recently held Structural Engineering Convention (SEC) 2014 at Indian Institute of Technology Delhi during 22 – 24 December 2014. The book is divided into three volumes and encompasses multidisciplinary areas within structural engineering, such as earthquake engineering and structural dynamics, structural mechanics, finite element methods, structural vibration control, advanced cementitious and composite materials, bridge engineering, and soil-structure interaction. Advances in Structural Engineering is a useful reference material for structural engineering fraternity including undergraduate and postgraduate students, academicians, researchers and practicing engineers.
Book Synopsis PRO 30: 4th International RILEM Workshop on High Performance Fiber Reinforced Cement Composites (HPFRCC 4) by : Antoine E. Naaman
Download or read book PRO 30: 4th International RILEM Workshop on High Performance Fiber Reinforced Cement Composites (HPFRCC 4) written by Antoine E. Naaman and published by RILEM Publications. This book was released on 2003 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Seismic Design Handbook by : Farzad Naeim
Download or read book The Seismic Design Handbook written by Farzad Naeim and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook contains up-to-date existing structures, computer applications, and infonnation on planning, analysis, and design seismic design of wood structures. A new and very useful feature of this edition of earthquake-resistant building structures. Its intention is to provide engineers, architects, is the inclusion of a companion CD-ROM disc developers, and students of structural containing the complete digital version of the handbook itself and the following very engineering and architecture with authoritative, yet practical, design infonnation. It represents important publications: an attempt to bridge the persisting gap between l. UBC-IBC (1997-2000) Structural advances in the theories and concepts of Comparisons and Cross References, ICBO, earthquake-resistant design and their 2000. implementation in seismic design practice. 2. NEHRP Guidelines for the Seismic The distinguished panel of contributors is Rehabilitation of Buildings, FEMA-273, Federal Emergency Management Agency, composed of 22 experts from industry and universities, recognized for their knowledge and 1997. extensive practical experience in their fields. 3. NEHRP Commentary on the Guidelinesfor They have aimed to present clearly and the Seismic Rehabilitation of Buildings, FEMA-274, Federal Emergency concisely the basic principles and procedures pertinent to each subject and to illustrate with Management Agency, 1997. practical examples the application of these 4. NEHRP Recommended Provisions for principles and procedures in seismic design Seismic Regulations for New Buildings and practice. Where applicable, the provisions of Older Structures, Part 1 - Provisions, various seismic design standards such as mc FEMA-302, Federal Emergency 2000, UBC-97, FEMA-273/274 and ATC-40 Management Agency, 1997.
Book Synopsis Strength and Ductility of Slitted Reinforced Concrete Masonry Shear Wall by : Louis Lee Yaw
Download or read book Strength and Ductility of Slitted Reinforced Concrete Masonry Shear Wall written by Louis Lee Yaw and published by . This book was released on 1996 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
