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Behavior Of Block Masonry Shear Walls Under In Plane Monotonic And Reversed Cyclic Loads Using 1 3 Scale Direct Models
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Book Synopsis Behavior of Block Masonry Shear Walls Under in Plane Monotonic and Reversed Cyclic Loads Using 1/3 Scale Direct Models by : Ahcene Larbi
Download or read book Behavior of Block Masonry Shear Walls Under in Plane Monotonic and Reversed Cyclic Loads Using 1/3 Scale Direct Models written by Ahcene Larbi and published by . This book was released on 1989 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monotonic and Reversed Cyclic Behavior of Floor-to-wall Intersections in Masonry Structures Under In-plane Shear Loading Using 1/3 Scale Direct Modeling Technique by : Kang-Ho Oh
Download or read book Monotonic and Reversed Cyclic Behavior of Floor-to-wall Intersections in Masonry Structures Under In-plane Shear Loading Using 1/3 Scale Direct Modeling Technique written by Kang-Ho Oh and published by . This book was released on 1988 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Modeling and Experimental Techniques, Second Edition by : Harry G. Harris
Download or read book Structural Modeling and Experimental Techniques, Second Edition written by Harry G. Harris and published by CRC Press. This book was released on 1999-03-30 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural Modeling and Experimental Techniques presents a current treatment of structural modeling for applications in design, research, education, and product development. Providing numerous case studies throughout, the book emphasizes modeling the behavior of reinforced and prestressed concrete and masonry structures. Structural Modeling and Experimental Techniques: Concentrates on the modeling of the true inelastic behavior of structures Provides case histories detailing applications of the modeling techniques to real structures Discusses the historical background of model analysis and similitude principles governing the design, testing, and interpretation of models Evaluates the limitations and benefits of elastic models Analyzes materials for reinforced concrete masonry and steel models Assesses the critical nature of scale effects of model testing Describes selected laboratory techniques and loading methods Contains material on errors as well as the accuracy and reliability of physical modeling Examines dynamic similitude and modeling techniques for studying dynamic loading of structures Covers actual applications of structural modeling This book serves students in model analysis and experimental methods, professionals manufacturing and testing structural models, as well as professionals testing large or full-scale structures - since the instrumentation techniques and overall approaches for testing large structures are very similar to those used in small-scale modeling work.
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 34 (thesis year 1989) a total of 13,377 theses titles from 26 Canadian and 184 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 34 reports theses submitted in 1989, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Book Synopsis Monotonic and Cyclic Behavior of Joint Reinforced Block Masonry Walls Under Out-of-plane Lateral Loading by : Ahmad A. Hamid
Download or read book Monotonic and Cyclic Behavior of Joint Reinforced Block Masonry Walls Under Out-of-plane Lateral Loading written by Ahmad A. Hamid and published by . This book was released on 1988 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monotonic and Cyclic Behaviour of Reinforced Concrete-Masonry Shear Wall Boundary Elements by : Belal Ali AbdelHafeez AbdelRahman
Download or read book Monotonic and Cyclic Behaviour of Reinforced Concrete-Masonry Shear Wall Boundary Elements written by Belal Ali AbdelHafeez AbdelRahman and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a seismic force-resisting system (SFRS), reinforced masonry shear walls with masonry boundary elements (RMSW+BEs) were found to achieve enhanced strength, stability, and ductility levels compared to rectangular RMSWs. The seismic design of RMSW+BEs necessitates reliable experimental and analytical investigations of their reinforced masonry boundary elements (RMBEs). The axial monotonic and cyclic stress-strain curves of RMBEs are essential to predict the lateral cyclic response of RMSW+BEs. This research aims to investigate, experimentally and analytically, the axial monotonic and cyclic behaviour of RMBEs built with C-shape masonry blocks. Moreover, this research proposes monotonic and cyclic stress-strain models for unconfined and confined RMBEs subjected to axial compression loading. Furthermore, a numerical study was performed to assess the sensitivity of the nonlinear seismic response of RMSW+BEs to various wall configurations and design parameters. This research's experimental work involved investigating various parameters affecting the compressive strength of fully grouted concrete masonry prisms and the axial monotonic and cyclic behaviour of RMBEs. Forty-two masonry prisms and 69 RMBEs were tested. The studied parameters were the vertical reinforcement ratio, the confinement ratio, the cross-section geometry (i.e., square vs. rectangular RMBEs), the masonry bonding pattern, pre-wetting of dry RMBEs, various grout types, and the grout compressive strength. The results showed that RMBEs built with rectangular sections exhibited enhanced strain ductility and post-peak behaviour than square RMBEs. Besides, using low grout compressive strength significantly reduced the strain ductility and yielded sharp strength degradation of the RMBEs. The RMBEs' experimental results revealed that the monotonic stress-strain curves form envelope curves to their cyclically tested counterparts. The proposed monotonic and cyclic stress-strain models showed good-to-excellent agreement with the experimental results, predicting the envelope and cyclic stress-strain curves' major characteristics. The numerical study's results showed that the seismic design of RMSW+BEs can be optimized through careful choice of their design parameters. Enhancing the RMSW+BEs lateral yield and ultimate capacities and the lateral effective stiffness can be achieved by increasing the vertical reinforcement ratio of the RMBEs and the masonry compressive strength. Contrarily, reducing the masonry strain at peak stress and/or the masonry modulus of elasticity greatly hinders the walls' displacement ductility.
Book Synopsis Inelastic Behavior of Reinforced Masonry Shear Walls Under In-plane Cyclic Loads by : Hannes P. Spaeh
Download or read book Inelastic Behavior of Reinforced Masonry Shear Walls Under In-plane Cyclic Loads written by Hannes P. Spaeh and published by . This book was released on 1987 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abstract Journal in Earthquake Engineering by :
Download or read book Abstract Journal in Earthquake Engineering written by and published by . This book was released on 1991 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behavior of Unbounded Post- tensioned Masonry Walls by : Reza Hassanli
Download or read book Behavior of Unbounded Post- tensioned Masonry Walls written by Reza Hassanli and published by Springer. This book was released on 2018-08-07 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on a comprehensive analytical, experimental and numerical study on the flexural response of post-tensioned masonry walls under in-plane loads. It explores an important mechanism in this new generation of structural walls, called “Self-centering”. This mechanism can reduce residual drifts and structural damage during earthquake ground motion, and is particularly favorable for structures which are designed for immediate occupancy performance levels. The book reports on the development and verification of a finite element model of post-tensioned masonry walls. It describes a detailed parametric study to predict the strength of post-tensioned masonry walls. New design methodologies and expressions are developed to predict the flexural strength and force-displacement response of post-tensioned masonry. Experimental study is carried out to better understand the behavior of post-tensioned masonry walls and also to evaluate the accuracy of the proposed design procedure and expressions. The book also includes an introduction to current research on unbounded post-tensioned masonry walls, together with an extensive analysis of previously published test results.
Book Synopsis Seismic Performance of Partially Grouted Reinforced Concrete Masonry Buildings Using 1/3-Scale Units Phase 1: Correlation Study of Masonry Materials and Assemblages by : Emre Alpaslan
Download or read book Seismic Performance of Partially Grouted Reinforced Concrete Masonry Buildings Using 1/3-Scale Units Phase 1: Correlation Study of Masonry Materials and Assemblages written by Emre Alpaslan and published by . This book was released on 2011 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to justify the feasibility of small-scale concrete masonry modeling technique for the construction of the 1/3-scale masonry test building, model masonry materials and assemblages performance related to nominal full-scale concrete masonry tests must be clearly established. This will be accomplished by conducting a suite of material tests (block units, mortar, grout, and reinforcing steel), assemblage tests (axial compression prism, bed-joint shear (cross specimens), diagonal tension, and flexural tension), and component tests (out-of-plane and in-plane walls) using both full-scale and reduced scale units. This experimental study is intended to investigate the feasibility of using of 1/3-scale direct modeling techniques of concrete block masonry materials and assemblages under different loading conditions. The methodology and techniques of fabrication 1/3-scale direct models of concrete block masonry components material and masonry assemblages were evaluated. For concrete masonry components material, the strength of block unit, mortar and grout and the stress-strain and ductility characteristics of reinforcement were examined. The behavior of ungrouted and grouted 1/3-scale assemblages were investigated by conducting axial compression, bed-joint shear, diagonal tension and modulus of rupture tests. Direct correlation between the model and prototype test results was performed. Good correlation of failure modes, strength and deformation characteristics was achieved. The experimental results demonstrated that direct modeling techniques applied to the investigation of behavior characteristics of masonry materials and assemblages is effective in understanding the overall behavior of full-scale concrete block masonry.
Book Synopsis In-Plane Shear Behaviour of Fully Grouted Reinforced Masonry Shear Walls by : Hany Mohamed Seif ElDin
Download or read book In-Plane Shear Behaviour of Fully Grouted Reinforced Masonry Shear Walls written by Hany Mohamed Seif ElDin and published by . This book was released on 2016 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reinforced masonry (RM) shear walls are the key structural elements widely used to resist lateral loads in masonry buildings due to their capability to provide lateral strength, stiffness, and energy dissipation. The flexural behaviour of RM shear walls is well defined and follows the simple flexural theory of reinforced concrete structures based on plane-section assumption. On the other hand, the shear behaviour of RM shear walls in the plastic hinge region is more complex due to the interaction between the nonlinear responses of their constituent materials, namely: concrete masonry blocks, mortar, grout, and steel reinforcement. The main objective of this thesis is to evaluate the inelastic behaviour of fully grouted RM shear walls that are dominated by shear failure. The research objective was achieved by conducting experimental, numerical, and analytical studies. The experimental work involved assessing the response of nine full-scale fully grouted rectangular RM shear walls when subjected to in-plane axial compressive stress, cyclic lateral excitations, and top moment. The main variables considered were the level of axial compressive stress, shear span to depth ratio, horizontal reinforcement ratio, anchorage end detail, and the spacing of horizontal and vertical reinforcement. The effect of the studied parameters is analyzed and presented in detail according to force-based, displacement-based, and performance-based seismic design considerations. Moreover, nonlinear finite element models were developed to simulate the behaviour of RM shear walls subjected to cyclic loading, and validated using results from the nine RM tested walls. Good agreements with the experimental load-displacement hysteretic loops were achieved in all models. In addition, a parametric study was performed to consider more variations in some of the parameters examined in the experimental work, which arrived at similar conclusions of the tested walls. Using the results of the tested RM shear walls together with the parametric study, an equation for predicting the in-plane shear strength, Vn, of RM shear walls was proposed and verified with results of 64 RM wall tests from five sources in the literature. Statistical analysis was performed to evaluate the accuracy of the proposed equation against ten widely-used equations, including the design equations given in the Canadian Standards Association CSA S304-2014, the US Masonry Standards Joint Committee MSJC-2013, and the Standards Association of New Zealand NZS 4230:2004. The analysis shows that the proposed equation provides a sufficiently conservative and more accurate prediction for Vn than any of the other evaluated equations.
Book Synopsis Flexural Behavior of Reinforced Block Masonry Walls Under Out-of-plane Monotonic Loading by : Muris Wadie Farah
Download or read book Flexural Behavior of Reinforced Block Masonry Walls Under Out-of-plane Monotonic Loading written by Muris Wadie Farah and published by . This book was released on 1988 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flexural Behavior of Reinforced Block Masonry Walls Under Out-of-plane Cyclic Loading by : Michel Kamel Hatem
Download or read book Flexural Behavior of Reinforced Block Masonry Walls Under Out-of-plane Cyclic Loading written by Michel Kamel Hatem and published by . This book was released on 1990 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Direct Modeling of Concrete Block Masonry Under Shear and In-Plane Tension by : AA. Hamid
Download or read book Direct Modeling of Concrete Block Masonry Under Shear and In-Plane Tension written by AA. Hamid and published by . This book was released on 1986 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: A better understanding of the complex behavior of masonry structures is necessary to embrace the more appropriate concept of ultimate strength design. Owing to the prohibitive cost of full-scale testing of masonry systems, a more economical method utilizing direct modeling techniques is proposed. It is the objective of this study to evaluate the use of direct modeling of ungrouted and grouted block masonry under shear and in-plane tension. A total of 62 quarter-scale model shear and tension specimens were tested, and the results were compared with similar prototype test results. The study includes the effect of mortar strength, grout strength, and load orientation on the assemblage mode of failure and ultimate strength. Correlations between model and prototype results are performed. Excellent correlations were obtained for mode of failure and the overall effects of different parameters. It is concluded that direct modeling is feasible and is capable of predicting the behavior of masonry. Deviations from prototype strength results were observed that are attributed to size effect of aggregate, imperfections in unit geometry, and higher strength values of model blocks.
Book Synopsis Numerical Analysis of the Out-of-plane Behavior of Unreinforced Masonry Walls by : Laura Sendra González
Download or read book Numerical Analysis of the Out-of-plane Behavior of Unreinforced Masonry Walls written by Laura Sendra González and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Out-of-plane stability of unreinforced masonry walls is an important aspect to be taken into account in edification. This construction technique is widely used and it is one of the most vulnerable to seismic loading. It has been observed that damage produced by out-of-plane loadings is one of the most commonly produced failure mechanisms in seismic hazards. Despite of that, research into the out-of-plane stability of masonry walls is not yet enough developed. The aim of this research is to create a three-dimensional finite element model in order to study the latter problem. A parametrical study is performed on two numerical models under monotonic and cyclic out-of-plane loads. The influence of various geometrical and boundary conditions are studied in two different models of a single wall: a homogenized and a distinct model. A damage plasticity formulation, appropriate for brittle materials, is implemented for modeling the behavior of the wall. In the distinct model, frictional and cohesive interaction models are used for modeling the joints, which are constituted by mortar. Firstly a monotonic homogeneous distributed out-of-plane pressure is applied, in order to determine both, the resistance of the wall in terms of its force-displacement curve, and the failure mechanism. Next, the same model is submitted to cyclic out-of-plane uniform pressure and energy dissipation, as well as stiffness degradation is analyzed. Finally, some qualitative recommendations for the unreinforced masonry walls are derived from the results, with the purpose of maximizing the resistance in front of out-of-plane loading.
Book Synopsis Behaviour of Partially Grouted Reinforced Masonry Shear Walls Under Cyclic Reversed Loading by : Majid Maleki
Download or read book Behaviour of Partially Grouted Reinforced Masonry Shear Walls Under Cyclic Reversed Loading written by Majid Maleki and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Combined Finite-Discrete Element Method by : Antonio A. Munjiza
Download or read book The Combined Finite-Discrete Element Method written by Antonio A. Munjiza and published by John Wiley & Sons. This book was released on 2004-04-21 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: The combined finite discrete element method is a relatively new computational tool aimed at problems involving static and / or dynamic behaviour of systems involving a large number of solid deformable bodies. Such problems include fragmentation using explosives (e.g rock blasting), impacts, demolition (collapsing buildings), blast loads, digging and loading processes, and powder technology. The combined finite-discrete element method - a natural extension of both discrete and finite element methods - allows researchers to model problems involving the deformability of either one solid body, a large number of bodies, or a solid body which fragments (e.g. in rock blasting applications a more or less intact rock mass is transformed into a pile of solid rock fragments of different sizes, which interact with each other). The topic is gaining in importance, and is at the forefront of some of the current efforts in computational modeling of the failure of solids. * Accompanying source codes plus input and output files available on the Internet * Important applications such as mining engineering, rock blasting and petroleum engineering * Includes practical examples of applications areas Essential reading for postgraduates, researchers and software engineers working in mechanical engineering.
