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Experimental And Numerical Investigation Of Masonry Infilled Reinforced Concrete Frames With Rubber Joints
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Book Synopsis Experimental and Numerical Investigation of Masonry Infilled Reinforced Concrete Frames with Rubber Joints by : Prateek Kumar Dhir
Download or read book Experimental and Numerical Investigation of Masonry Infilled Reinforced Concrete Frames with Rubber Joints written by Prateek Kumar Dhir and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Analysis of Masonry-infilled Reinforced Concrete Frames Subjected to Seismic Loads and Experimental Evaluation of Retrofit Techniques by : Ioannis Koutromanos
Download or read book Numerical Analysis of Masonry-infilled Reinforced Concrete Frames Subjected to Seismic Loads and Experimental Evaluation of Retrofit Techniques written by Ioannis Koutromanos and published by . This book was released on 2011 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masonry-infilled reinforced concrete (RC) frames constitute a significant part of the building inventory in earthquake-prone regions around the world. The development of accurate analysis tools and of retrofit techniques is important for enhancing the seismic safety of older construction of this type. Most of the existing analytical approaches have either adopted simplified models with limited predictive capabilities or been restricted to the monotonic loading regime. Additionally, many of the retrofit methods used in practice have not been experimentally validated. The present study aimed to establish and use refined computational tools for the reliable and robust analysis of masonry-infilled RC frames with and without retrofit, and to experimentally validate recently developed retrofit schemes. Constitutive models have been developed to allow the analysis of infilled frames. An existing smeared-crack model has been enhanced to accurately describe diffuse cracking and crushing in concrete and masonry under cyclic loading. Furthermore, a novel cohesive interface model has been formulated to describe strongly localized cracks in the concrete columns and the behavior of the mortar joints. The model can account for various aspects of the cyclic behavior, such as the cyclic normal unloading/reloading response, the frictional sliding and geometric dilatation and the irreversible crushing under large compressive stresses. A major challenge was the formulation of a robust stress update algorithm, which is also presented. The models are validated with experimental tests at the material and at the structural level. The analyses demonstrate the capability of the models to accurately capture the response of infilled frames. The results of large-scale, shake-table tests on a masonry-infilled RC frame are also presented. The purpose of the tests was to evaluate two retrofit methods for infills, using overlays of Engineered Cementitious Composite material (ECC) and of Glass Fiber Reinforced Polymer (GFRP). The material properties, specimen configuration, input ground motions and experimental observations are described in detail. Both retrofit techniques improved the performance of the specimen. A series of nonlinear analyses has been conducted to provide further insight on the behavior of the retrofitted specimen. Dynamic analyses have been conducted for infilled RC frames subjected to a collection of eight ground motions, scaled to match a target intensity level. The results of the analyses indicate that the addition of an ECC overlay can significantly improve the performance of an infilled frame.
Book Synopsis EXPERIMENTAL AND NUMERICAL STUDY OF THE IN-PLANE AND OUT-OF-PLANE BEHAVIOUR OF UNREINFORCED MASONRY INFILLS BOUNDED BY RC FRAMES. by : Ehsan Nasiri
Download or read book EXPERIMENTAL AND NUMERICAL STUDY OF THE IN-PLANE AND OUT-OF-PLANE BEHAVIOUR OF UNREINFORCED MASONRY INFILLS BOUNDED BY RC FRAMES. written by Ehsan Nasiri and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A literature review revealed that there is limited technical information available on the subject of masonry infilled frames, in particular, the interaction between the infill and its bounding frame and how this interaction affects the infilled system behaviour and strength. This research was then conducted to further the understanding of the infill-to-frame interaction considering a range of geometric, material, loading characteristics of the infilled frame systems. To that end, both experimental and numerical studies were performed with the focus on the concrete masonry infills bounded by reinforced concrete frames. Both in-plane and out-of-plane loading situations on the infilled frames were considered. The experimental testing was designed to provide physical results of failure modes, behaviour and strength of infilled frames as affected by several key parameters. The numerical study began with development of a 3D finite element model capable of incorporating properties of masonry infilled frames using ABAQUS. An extensive validation process on the model ensued using the physical results. Once verified, the model was used in a finite element study where several geometric and material parameters with extended range of variations were systematically studied. In the experimental study, a total of 17 specimens were tested of which 1) ten were subjected to in-plane loading; 2) four were subjected to out-of-plane loading; and 3) three were tested under in-plane loading first and then tested under out-of-plane loading to failure. Infill openings and infill-to-frame interfacial gaps were designed as two varying parameters for 1) and 2) test scenarios. The varying in-plane damage was the parameter for 3) testing scenario. While the diagonal cracking followed by corner crushing predominated the in-plane failure, two-way arching with the shear cracking through the concrete masonry unit webs was identified as the main load-resisting mechanism in out-of-plane tests. As for the in-plane damaged specimens, the out-of-plane capacity was reduced as a function of experienced in-plane drift ratio. In the numerical study, the finite element model was shown to be capable of predicting the load-displacement responses as well as the cracking pattern and failure modes accurately for both in-plane and out-of-plane loading scenarios. The correlations between each studied parameter and the behaviour and strength of masonry infilled frames were presented and discussed. Modifications on the out-of-plane design method currently adopted by the American masonry standard (TMS 402/602-16) were proposed and was shown to improve the performance of the method. A lower-bound equation for evaluating the out-of-plane strength of masonry infills with prior in-plane damage was proposed and it showed to produce better estimate when compared to the existing method.
Book Synopsis Brick and Block Masonry by : Claudio Modena
Download or read book Brick and Block Masonry written by Claudio Modena and published by CRC Press. This book was released on 2016-11-03 with total page 2558 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brick and Block Masonry - Trends, Innovations and Challenges contains the lectures and regular papers presented at the 16th International Brick and Block Masonry Conference (Padova, Italy, 26-30 June 2016). In an ever-changing world, in which innovations are rapidly implemented but soon surpassed, the challenge for masonry, the oldest and most traditional building material, is that it can address the increasingly pressing requirements of quality of living, safety, and sustainability. This abstracts volume and full paper USB device, focusing on challenges, innovations, trends and ideas related to masonry, in both research and building practice, will proof to be a valuable source of information for researchers and practitioners, masonry industries and building management authorities, construction professionals and educators.
Book Synopsis Experimental Investigation of the In-Plane Behaviour of Concrete Masonry Infills Bounded by Reinforced Masonry Frames by : Saber Agaei Foroushani
Download or read book Experimental Investigation of the In-Plane Behaviour of Concrete Masonry Infills Bounded by Reinforced Masonry Frames written by Saber Agaei Foroushani and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was carried out to investigate the in-plane behaviour of all-masonry infilled frames, i.e., concrete masonry infills bounded by reinforced masonry frames. To this end, six specimens including one masonry bare frame and five all-masonry infilled frame specimens were subjected to lateral loading applied at the frame top beam level to failure. The parameters studied included masonry infill strength, infill reinforcement, and presence of vertical loading. Masonry infill strength study considered a regular and a weaker strength of infills; infill reinforcement study considered two scenarios of horizontal reinforcement in the infill where one was the bed joint reinforcement implemented every other course in the infill and the other was the two bond beams implemented in the infill; and vertical load study involved one specimen under combined vertical and lateral loading where the vertical load was applied to the top beam and held constant while the lateral loading was increased to the specimen failure. Load vs. displacement response, cracking pattern and load, and failure mode and ultimate load for each specimen were obtained and discussed in detail. The experimental results were used to evaluate the validity of stiffness and strength provisions contained in the Canadian (CSA S304.14) and American (TMS 402/602.16) masonry design standards. The performance of specimens was also compared with the infills of the same geometry but bounded by RC frames. For all infilled frame specimens, the final failure mode seems to be controlled by severe diagonal cracking extending into the boundary columns or a combination of diagonal cracking and shear sliding as in the case of horizontally reinforced infills. No evident corner crushing was observed. An increase in infill strength increased the ultimate load of the infilled frame but showed no evident correlation with the infill-frame system stiffness. Implementing infill reinforcement did not have a significant effect on the ultimate strength but resulted in an increase in both the initial and cracking stiffnesses as well as ductility of the specimen. Presence of vertical load resulted in a marked increase in ultimate load of the infilled specimen but at the expense of a reduced ductility. In general, CSA S304-14 overestimated whereas TMS 402/602 underestimated the stiffness with a similar range of disparity to the test results. In the case of strength prediction, CSA S304 performed better than TMS 402/602 with predicted values closer to the test results. The comparison with infilled RC frames showed that behaviour, strength, and ductility of all-masonry infilled frames are similar to, and in some cases, slightly better than infilled RC frames.
Book Synopsis EXPERIMENTAL INVESTIGATION ON THE OUT-OF-PLANE BEHAVIOUR OF CONCRETE MASONRY INFILLED RC FRAMES. by : Reza Sepasdar
Download or read book EXPERIMENTAL INVESTIGATION ON THE OUT-OF-PLANE BEHAVIOUR OF CONCRETE MASONRY INFILLED RC FRAMES. written by Reza Sepasdar and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents results of an experimental study focusing on the out-of-plane behaviour and strength of concrete masonry infills bounded by reinforced concrete frames. A total of four specimens was tested with different parameters. One was considered as a control specimen; one was built with a window opening in the infill; and the other two had sustained damage caused by either prior in-plane or out-of-plane loading. Of two specimens with prior damage, one was first subjected to in-plane loading until occurrence of a major diagonal crack, and then tested under out-of-plane pressure to failure. The other was first subjected to out-of-plane pressure until occurrence of a major horizontal crack, and then tested under in-plane loading to failure. The specimen details, test setup, and procedure are described. The experimental results were presented and discussed. The effect of parameters as well as the effectiveness of existing analytical methods is examined.
Book Synopsis Modern Trends in Research on Steel, Aluminium and Composite Structures by : Marian A. Giżejowski
Download or read book Modern Trends in Research on Steel, Aluminium and Composite Structures written by Marian A. Giżejowski and published by Routledge. This book was released on 2021-06-09 with total page 689 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Trends in Research on Steel, Aluminium and Composite Structures includes papers presented at the 14th International Conference on Metal Structures 2021 (ICMS 2021, Poznań, Poland, 16-18 June 2021). The 14th ICMS summarised a few years’ theoretical, numerical and experimental research on steel, aluminium and composite structures, and presented new concepts. This book contains six plenary lectures and all the individual papers presented during the Conference. Seven plenary lectures were presented at the Conference, including "Research developments on glass structures under extreme loads", Parhp3D – The parallel MPI/openMPI implementation of the 3D hp-adaptive FE code", "Design of beam-to-column steel-concrete composite joints: from Eurocodes and beyond", "Stainless steel structures – research, codification and practice", "Testing, modelling and design of bolted joints – effect of size, structural properties, integrity and robustness", "Design of hybrid beam-to-column joints between RHS tubular columns and I-section beams" and "Selected aspects of designing the cold-formed steel structures". The individual contributions delivered by authors covered a wide variety of topics: – Advanced analysis and direct methods of design, – Cold-formed elements and structures, – Composite structures, – Engineering structures, – Joints and connections, – Structural stability and integrity, – Structural steel, metallurgy, durability and behaviour in fire. Modern Trends in Research on Steel, Aluminium and Composite Structures is a useful reference source for academic researchers, graduate students as well as designers and fabricators.
Book Synopsis Advances in Earthquake Engineering for Urban Risk Reduction by : S. Tanvir Wasti
Download or read book Advances in Earthquake Engineering for Urban Risk Reduction written by S. Tanvir Wasti and published by Springer Science & Business Media. This book was released on 2006-06-15 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthquakes affecting urban areas can lead to catastrophic situations and hazard mitigation requires preparatory measures at all levels. Structural assessment is the diagnosis of the seismic health of buildings. Assessment is the prelude to decisions about rehabilitation or even demolition. The scale of the problem in dense urban settings brings about a need for macro seismic appraisal procedures because large numbers of existing buildings do not conform to the increased requirements of new earthquake codes and specifications or have other deficiencies. It is the vulnerable buildings - liable to cause damage and loss of life - that need immediate attention and urgent appraisal in order to decide if structural rehabilitation and upgrading are feasible. Current economic, efficient and occupant-friendly rehabilitation techniques vary widely and include the application either of precast concrete panels or layers, strips and patches of fiber reinforced polymers (FRP) in strategic locations. The papers in this book, many by renowned authorities in earthquake engineering, chart new and vital directions of research and application in the assessment and rehabilitation of buildings in seismic regions. While several papers discuss the probabilistic prediction and quantification of structural damage, others present approaches related with the in-situ and occupant friendly upgrading of buildings and propose both economical and practical techniques to address the problem.
Book Synopsis Seismic Performance of Corroded Reinforced Concrete Structures Retrofitted with FRP by : Dejian Shen
Download or read book Seismic Performance of Corroded Reinforced Concrete Structures Retrofitted with FRP written by Dejian Shen and published by Springer Nature. This book was released on with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-plane Behaviour and Capacity of Concrete Masonry Infills Bounded by Steel Frames by : Sandra Soon
Download or read book In-plane Behaviour and Capacity of Concrete Masonry Infills Bounded by Steel Frames written by Sandra Soon and published by . This book was released on 2011 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Masonry infilled walls have been commonly used as interior partitions as well as exterior walls infilled in either steel or reinforced concrete frames in the modern building constructions. In recent years, much research involving both experimentation and numerical modeling has been conducted in an effort to better understand the infill-frame interaction and to provide some rational design approaches. Studies have shown that infill walls can develop a number of possible failure mechanisms, depending on the strength and stiffness of the bounding frames with respect to those of the infills and the geometric configuration of the framing system. Most of models proposed for analysis of infill walls focused on one type of mechanism or the other, and they were not universally applicable to all infilled structures.
Book Synopsis EXPERIMENTAL INVESTIGATION ON THE OUT-OF-PLANE BEHAVIOUR OF CONCRETE MASONRY INFILLED FRAMES. by : Chongyang Wang
Download or read book EXPERIMENTAL INVESTIGATION ON THE OUT-OF-PLANE BEHAVIOUR OF CONCRETE MASONRY INFILLED FRAMES. written by Chongyang Wang and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents an integral part of an on-going research on out-of-plane behaviour of masonry infills, this study was motivated to augment the existing experimental database on out-of-plane behaviour and strength of masonry infills by expanding on the variations on the parameters, and to assess the efficacy of existing analytical methods for infill out-of-plane strength calculation. A total of five scaled masonry infilled frame specimens including four masonry infilled RC frames and one masonry infilled steel frame were tested to failure under uniformly distributed out-of-plane loading. Parameters considered for the RC frame specimens included infill opening (door opening), prior in-plane damage, and gaps at either frame-to-beam or frame-to-column interfaces. Experimental results showed that all studied parameters have a significant effect on the out-of-plane behaviour and strength of infills.
Book Synopsis Textile Fibre Composites in Civil Engineering by : Thanasis Triantafillou
Download or read book Textile Fibre Composites in Civil Engineering written by Thanasis Triantafillou and published by Woodhead Publishing. This book was released on 2016-02-08 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Textile Fibre Composites in Civil Engineering provides a state-of-the-art review from leading experts on recent developments, the use of textile fiber composites in civil engineering, and a focus on both new and existing structures. Textile-based composites are new materials for civil engineers. Recent developments have demonstrated their potential in the prefabrication of concrete structures and as a tool for both strengthening and seismic retrofitting of existing concrete and masonry structures, including those of a historical value. The book reviews materials, production technologies, fundamental properties, testing, design aspects, applications, and directions for future research and developments. Following the opening introductory chapter, Part One covers materials, production technologies, and the manufacturing of textile fiber composites for structural and civil engineering. Part Two moves on to review testing, mechanical behavior, and durability aspects of textile fiber composites used in structural and civil engineering. Chapters here cover topics such as the durability of structural elements and bond aspects in textile fiber composites. Part Three analyzes the structural behavior and design of textile reinforced concrete. This section includes a number of case studies providing thorough coverage of the topic. The final section of the volume details the strengthening and seismic retrofitting of existing structures. Chapters investigate concrete and masonry structures, in addition to providing information and insights on future directions in the field. The book is a key volume for researchers, academics, practitioners, and students working in civil and structural engineering and those working with advanced construction materials. Details the range of materials and production technologies used in textile fiber composites Analyzes the durability of textile fiber composites, including case studies into the structural behavior of textile reinforced concrete Reviews the processes involved in strengthening existing concrete structures
Book Synopsis Proceedings of 17th Symposium on Earthquake Engineering (Vol. 3) by : Manish Shrikhande
Download or read book Proceedings of 17th Symposium on Earthquake Engineering (Vol. 3) written by Manish Shrikhande and published by Springer Nature. This book was released on 2023-07-03 with total page 763 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents select proceedings of the 17th Symposium on Earthquake Engineering organized by the Department of Earthquake Engineering, Indian Institute of Technology Roorkee. The topics covered in the proceedings include engineering seismology and seismotectonics, earthquake hazard assessment, seismic microzonation and urban planning, dynamic properties of soils and ground response, ground improvement techniques for seismic hazards, computational soil dynamics, dynamic soil–structure interaction, codal provisions on earthquake-resistant design, seismic evaluation and retrofitting of structures, earthquake disaster mitigation and management, and many more. This book also discusses relevant issues related to earthquakes, such as human response and socioeconomic matters, post-earthquake rehabilitation, earthquake engineering education, public awareness, participation and enforcement of building safety laws, and earthquake prediction and early warning system. This book is a valuable reference for researchers and professionals working in the area of earthquake engineering.
Book Synopsis Brick and Block Masonry - From Historical to Sustainable Masonry by : Jan Kubica
Download or read book Brick and Block Masonry - From Historical to Sustainable Masonry written by Jan Kubica and published by CRC Press. This book was released on 2020-07-06 with total page 1097 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brick and Block Masonry - From Historical to Sustainable Masonry contains the keynote and semi-keynote lectures and all accepted regular papers presented online during the 17th International Brick and Block Masonry Conference IB2MaC (Kraków, Poland, July 5-8, 2020). Masonry is one of the oldest structures, with more than 6,000 years of history. However, it is still one of the most popular and traditional building materials, showing new and more attractive features and uses. Modern masonry, based on new and modified traditional materials and solutions, offers a higher quality of life, energy savings and more sustainable development. Hence, masonry became a more environmentally friendly building structure. Brick and Block Masonry - From Historical to Sustainable Masonry focuses on historical, current and new ideas related to masonry development, and will provide a very good platform for sharing knowledge and experiences, and for learning about new materials and technologies related to masonry structures. The book will be a valuable compendium of knowledge for researchers, representatives of industry and building management, for curators and conservators of monuments, and for students.
Book Synopsis Numerical Modeling of Masonry and Historical Structures by : Bahman Ghiassi
Download or read book Numerical Modeling of Masonry and Historical Structures written by Bahman Ghiassi and published by Woodhead Publishing. This book was released on 2019-06-15 with total page 890 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical Modeling of Masonry and Historical Structures: From Theory to Application provides detailed information on the theoretical background and practical guidelines for numerical modeling of unreinforced and reinforced (strengthened) masonry and historical structures. The book consists of four main sections, covering seismic vulnerability analysis of masonry and historical structures, numerical modeling of unreinforced masonry, numerical modeling of FRP-strengthened masonry, and numerical modeling of TRM-strengthened masonry. Each section reflects the theoretical background and current state-of-the art, providing practical guidelines for simulations and the use of input parameters. Covers important issues relating to advanced methodologies for the seismic vulnerability assessment of masonry and historical structures Focuses on modeling techniques used for the nonlinear analysis of unreinforced masonry and strengthened masonry structures Follows a theory to practice approach
Book Synopsis Experimental and Numerical Investigation on a Brick Masonry Building Prototype by : Michele Calvi
Download or read book Experimental and Numerical Investigation on a Brick Masonry Building Prototype written by Michele Calvi and published by . This book was released on 1992 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :FIB – International Federation for Structural Concrete Publisher :FIB - International Federation for Structural Concrete ISBN 13 :2883940231 Total Pages :384 pages Book Rating :4.8/5 (839 download)
Book Synopsis Behavior and analysis of reinforced concrete structures under alternate actions inducing inelastic response by : FIB – International Federation for Structural Concrete
Download or read book Behavior and analysis of reinforced concrete structures under alternate actions inducing inelastic response written by FIB – International Federation for Structural Concrete and published by FIB - International Federation for Structural Concrete. This book was released on 1994-05-01 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
