Download or read book STESSA 2000 Behaviour of Steel Structures in Seismic Areas written by Federico Mazzolani and published by CRC Press. This book was released on 2021-07-28 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a review of developments in the behaviour and design of steel structures in seismic areas. The proceedings look at the analytical and experimental research on the seismic response of steel structures, and cover topics such as global behaviour and codification, design and application.
Download or read book Effect of Strain Rate on the Yield Stress of Structural Steel written by N. R. Nagaraja Rao and published by . This book was released on 1964 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Atlas of Stress strain Curves written by ASM International and published by ASM International. This book was released on 2002-01-01 with total page 821 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains more than 1400 curves, almost three times as many as in the 1987 edition. The curves are normalized in appearance to aid making comparisons among materials. All diagrams include metric units, and many also include U.S. customary units
Download or read book Effects of Moderately High Strain Rates on the Tensile Properties of Metals written by D. P. Moon and published by . This book was released on 1961 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Elevated Temperature and High Strain Rate Properties of Offshore Steels written by B. A. Burgan and published by . This book was released on 2001 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Strain Rate Effects on the Ductile Brittle Transition in Steels written by GA. Knorovsky and published by . This book was released on 1985 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A recently implemented fracture control plan for structural steel high-way bridges makes use of a linear relation to describe the effect of strain rate on the ductile/brittle transition temperature as a function of yield strength. Literature data show that the predictions of the aforementioned relation are not general. An alternative analysis is offered along with a qualitative model for understanding the phenomenon. Results of an experimental program investigating microstructural effects on the ductile/brittle strain rate dependence are also presented. The results exhibit linear behavior of ?Tdb versus ??/?, where ?Tdb is the transition temperature shift, ? is the yield stress, and ?? is the change in yield stress caused by strain rate. The magnitude of the temperature shift, however, is dependent upon the test specimen used. Factors discussed include microstructure, type of test specimen (Charpy V-notch, nil ductility temperature [NDT], modified NDT, or compact toughness), crack initiation versus crack propagation, and implications for regulatory bodies.
Download or read book Dynamic Strength Properties of Structural Steel at Elevated Rates of Strain written by Matthew P. Murray and published by . This book was released on 2020 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments were conducted on ASTM A572 50 and A992 steel over a range of intermediate strain rates in order to determine material strength properties of structural members subjected to dynamic loadings. The yield and ultimate tensile stress (UTS) of the steels were determined at increasing strain rates using a hydraulic apparatus and compared to static values obtained from ASTM E8 standardized tensile experiments. Results revealed that A572-50 steel exhibited an increase in yield stress of up to 35% and UTS of up to 20% as strain rate increased from 0.002 to 2.0 s-1. A992 steel demonstrated a similar increase in yield stress of up to 45% and UTS of up to 20%. Ratios of dynamic-to-static strengths were used to develop dynamic increase factor curves spanning the range of strain rates studied. These curves provide designers with material property values required for accurate and economical design of protective structures.
Download or read book The Effect of Strain Rate and Temperature on Yielding in Steels written by David P. Kendall and published by . This book was released on 1970 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of elastic strain rates ranging from 0.001 to 10/sec and temperatures ranging from 200K ( -100F) to 590K (600F) on the yield strength of several steels is reported. The steels utilized are a 1018 mild steel, 4340 steel, H-11 tool steel and 300 grade maraging steel. The results are interpreted in terms of the Cottrel-Bilby yielding model based on release of dislocations from locking carbon atmospheres. The results for all of the materials except the maraging steel are consistent with this model if it is modified to account for re-locking of dislocations by migration of carbon atoms. The maraging steel shows a constant strain rate sensitivity at a constant temperature, over the range of strain rates investigated. This rate sensitivity decreases with increasing temperature and at 590K (600 F) a decreasing strength with increasing strain rate is found. This is attributed to stress aging effects. (Author).
Download or read book Yield Stress of Type 21 6 9 Stainless Steel Over a Wide Range of Strain Rate 10 5 to 10 4 S 1 and Temperature written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This document reports the effects of high strain rate (102 to 104 s−1) on the yield strength of 21-6-9 austenitic stainless steel. The reported yield stresses are appropriate to the temperature range from ambient to 750°C. The high strain-rate stresses were determined from Hopkinson split-bar tests. The high strain-rate data are compared to the strength of 21-6-9 of identical structure and composition at lower rates (e.g., 10−4 s−1). Such comparison provides insight into the rate dependence, at various temperatures to 750°C, of plastic flow over a wide range (eight orders of magnitude) of strain rate.
Download or read book Tensile Properties of Aircraft structural Metals at Various Rates of Loading After Rapid Heating written by Joseph D. Morrison and published by . This book was released on 1956 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of Strain Rate on Material Properties of Sheet Steels and Structural Strengths of Cold formed Steel Members written by Maher Kassar and published by . This book was released on 1990 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In structural design, the material properties of steels and the strengths of cold-formed steel members are affected by strain rate. Two subjects were investigated experimentally and analytically in this study. They are 1) effect of strain rate on mechanical properties of sheet steels in tension and compression, and 2) structural strengths of stub columns and beams subjected to dynamic loads. Three sheet steels with nominal yield strengths ranging from 35 to 100 ksi were studied under different strain rates. A total of 124 tensile coupons and 54 compressive coupons were tested in this phase of study. The structural strengths of 37 stub columns and 30 beam specimens fabricated from 35XF sheet steel were investigated in the second phase of this study under different strain rates. The results showed that the material properties as well as the strengths of the structural members increased with the strain rate. The amount of increase was found to be dependent on the material yield strengths and the strain rates used in the tests. The effective width approach included in the current AISI Automotive Steel Design Manual was utilized for the evaluation of member strengths using static and dynamic yield stresses corresponding to the strain rates used in the tests. Good agreement was achieved between the predicted and tested member strengths when using the dynamic yield stresses in the comparison"--Abstract, leaf iii.
Download or read book The Flow Characteristics of a Structural Steel Subjected to Slow and Rapid Reversal of Loading written by Harold Seichi Hamada and published by . This book was released on 1962 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Stability and Ductility of Steel Structures under Cyclic Loading written by Yuhshi Fukumoto and published by CRC Press. This book was released on 1991-12-07 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S.-Japan Joint Seminar on Stability and Ductility of Steel Structures under Cyclic Loading was held in Osaka, Japan on July 1-3, 1991. This three-day seminar was devoted to five main topics: 1) materials properties and plasticity models, which featured experimental investigations of the material properties of structural steels and plasticity models of the material characteristics under dynamic and cyclic loading conditions; 2) experimental observations, which featured experimental studies of cyclic buckling behavior of steel structural members and frames subjected to dynamic and cyclic loading conditions; 3) analytical modeling, which discussed analytical modeling of the cyclic buckling behavior of steel structural members and frames; 4) design implementation, which emphasized earthquake engineering design of steel structures against cyclic buckling; and 5) future research needs, in which future analytical and experimental research needs on the behavior and design of steel structures subjected to dynamic and cyclic loading conditions were identified. This book contains 30 contributed papers presented at the seminar.
Download or read book Viscoelastic Properties of Polymers written by John D. Ferry and published by John Wiley & Sons. This book was released on 1980-09-16 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: Viscoelastic behavior reflects the combined viscous and elastic responses, under mechanical stress, of materials which are intermediate between liquids and solids in character. Polymers the basic materials of the rubber and plastic industries and important to the textile, petroleum, automobile, paper, and pharmaceutical industries as well exhibit viscoelasticity to a pronounced degree. Their viscoelastic properties determine the mechanical performance of the final products of these industries, and also the success of processing methods at intermediate stages of production. Viscoelastic Properties of Polymers examines, in detail, the effects of the many variables on which the basic viscoelastic properties depend. These include temperature, pressure, and time; polymer chemical composition, molecular weight and weight distribution, branching and crystallinity; dilution with solvents or plasticizers; and mixture with other materials to form composite systems. With guidance by molecular theory, the dependence of viscoelastic properties on these variables can be simplified by introducing certain ancillary concepts such as the fractional free volume, the monomeric friction coefficient, and the spacing between entanglement loci, to provide a qualitative understanding and in many cases a quantitative prediction of how to achieve desired results. The phenomenological theory of viscoelasticity which permits interrelation of the results of different types of experiments is presented first, with many useful approximation procedures for calculations given. A wide variety of experimental methods is then described, with critical evaluation of their applicability to polymeric materials of different consistencies and in different regions of the time scale (or, for oscillating deformations, the frequency scale). A review of the present state of molecular theory follows, so that viscoelasticity can be related to the motions of flexible polymer molecules and their entanglements and network junctions. The dependence of viscoestic properties on temperature and pressure, and its descriptions using reduced variables, are discussed in detail. Several chapters are then devoted to the dependence of viscoelastic properties on chemical composition, molecular weight, presence of diluents, and other features, for several characteristic classes of polymer materials. Finally, a few examples are given to illustrate the many potential applications of these principles to practical problems in the processing and use of rubbers, plastics, and fibers, and in the control of vibration and noise. The third edition has been brought up to date to reflect the important developments, in a decade of exceptionally active research, which have led to a wider use of polymers, and a wider recognition of the importance and range of application of viscoelastic properties. Additional data have been incorporated, and the book s chapters on dilute solutions, theory of undiluted polymers, plateau and terminal zones, cross-linked polymers, and concentrated solutions have been extensively rewritten to take into account new theories and new experimental results. Technical managers and research workers in the wide range of industries in which polymers play an important role will find that the book provides basic information for practical applications, and graduate students in chemistry and engineering will find, in its illustrations with real data and real numbers, an accessible introduction to the principles of viscoelasticity.
Download or read book Limit States Design of Structural Steelwork Third Edition written by David Nethercot and published by CRC Press. This book was released on 2003-09-02 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is a comprehensive introduction to structural steelwork design based on the limit states approach to BS 5950, for use by undergraduates in civil and structural engineering. It will also serve as a reference for practising engineers unfamiliar with new parts of BS 5950. The text introduces basic properties of steel, types of steel structure and steelwork design in order to develop an understanding of the various aspects of the behaviour and design of structural steelwork. This edition has been thoroughly revised in accordance with the 2000 amendment to Part 1 of BS 5950 - all references have been updated and a new section on partial encasement for fire resistance has been added. Each chapter features worked examples, practice problems and references.
Download or read book STESSA 2003 Behaviour of Steel Structures in Seismic Areas written by Federico Mazzolani and published by Routledge. This book was released on 2018-03-29 with total page 869 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting a comprehensive overview of recent developments in the field of seismic resistant steel structures, this volume reports upon the latest progress in theoretical and experimental research into the area, and groups findings in the following key sections: · performance-based design of structures · structural integrity under exceptional loading · material and member behaviour · connections · global behaviour · moment resisting frames · passive and active control · strengthening and repairing · codification · design and application
Download or read book Advances in Structural Integrity and Failure written by and published by BoD – Books on Demand. This book was released on 2024-02-21 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to expand the knowledge and skills of civil and structural engineers and researchers and help them better understand, design, and analyze civil engineering applications. This book examines advancements in structural integrity and failure and underground construction. It offers profound insights into the mechanisms that can lead to the integrity or failure of structures and result in safe underground construction. It provides details on the fundamental principles, theories, behavior, and performance of different structural elements and underground construction. The book delves into the mechanics, design, and construction of reinforced concrete structures. It explores the design principles applied to reinforced concrete structures and considers critical structural elements like beams, slabs, columns, and foundations. It also demonstrates various advances in reinforced concrete technology, including high-performance concrete, fiber-reinforced concrete, self-compacting concrete, and the use of nanomaterials. It describes methods for the analysis and evaluation of reinforced concrete structures, non-destructive testing methods, structural health monitoring, finite element analysis, and causes of failure. In addition, the book proposes a design model for determining the flexural bearing capacity of reinforced concrete beams having reinforcement steel with reduced modulus of elasticity. Moreover, the book investigates the effects of loading rates on the mechanical properties of structural steel. It also evaluates the formation of welding defects in the process of connecting steel structures, which is inevitable, from the aspect of failure mechanics. In addition, it utilizes an equivalent shell-wire model to propose a simple accurate technique for nonlinear assessment of reinforced concrete shear walls with less computational cost. The book introduces tunnel design theory and method, support structure systems, construction technology, and equipment under complex geological conditions. Furthermore, it highlights procedures to design efficient dewatering systems considering the working conditions, stability, and impacts generated in the vicinity of construction, and to examine the state of retaining walls by using hydrogeological tools. Finally, it outlines the online monitoring and intelligent diagnosis mechanism of key equipment in the subway ventilation system.
