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Authors: Stephen Kendall, Jonathan Teicher
Edition: Illustrated
Publisher: Taylor & Francis, 2000
ISBN: 0419238301, 9780419238300
Length: 301 pages
Pdf: 3.21 Mb
Residential Open Building, the result of a CIB Task Group 'Open Building Implementation,' provides a state-of-the-art review of open building, fundamental principles, recent developments, and international coverage of current projects on both the public and private arena. Open Building is a highly flexible and economical method of building which has far reaching advantages for urban designers, architects, contractors, developers and end users.
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Built To Resist Earthquakes : The Path To Seismic Design And Construction
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This Briefing Paper 1, Building Safety and Earthquakes, consists of four parts describing earthquakes and their effects on buildings. Parts A and B describe the causes of earthquakes and resulting ground motions and explain how earthquake motions create various forces acting on a building. This Part C describes the types of structural systems and lateral-force-resisting elements used in buildings and how they can be used in combinations. Part D discusses the “load path” of earthquake forces within buildings.
A collection of papers presenting the design methodology of structures and relevant codes for earthquake resistance for practicing structural engineers and students.
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Distribution of Earthquake Input Energy in Structures
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In developing an energy-based design approach and assessing the damage potential of structures, one must know the distribution of earthquake input energy among energy components: kinetic, elastic strain, hysteretic, and damping. This report examines the influences of the ground motion characteristics: intensity, frequency content, and duration of strong motion and the structural properties: ductility, damping, and hysteretic behavior on the distribution of input energy for a one- and a five-story building using 20 accelerograms, ten with short and ten with long duration of strong motion.
Results indicate that for certain damping ratios, ductility has a significant influence on input energy and its distribution among energy components in a structure. For a given ductility ratio, small damping ratio (less than 5%) has a minor effect on input energy, but a major influence on the energy distribution. Damping ratios larger than 5% have a significant influence on the input energy and its distribution. Three energy ratios that relate to hysteretic energy were computed: the maximum ratio of hysteretic to input energy (Eh/Eir)m, the ratio of the maximum hysteretic energy to the maximum input energy Ehm/Eirm, and the equivalent number of yield excursions Neq=Ehm/(Fy.up) where Fy is the yield strength, and up is the plastic deformation. It is found that (Eh/Eir)m generally reflects the energy demand for the largest yield excursion, and Ehm/Eirm and Neq reflect the energy demand for the entire duration of accelerogram. The study shows that (Eh/Eir)m is independent of the duration of strong motion and period of structure; however, Ehm/Eirm is independent of both only for periods less than 1 s. Results indicate that as the duration becomes longer the equivalent number of yield excursions Neq increases indicating more structural damage.
The influence of ground motion characteristics and structural properties on the distribution of energy parameters for a five-story building with fixed-base, base-isolation, supplemental damping, and semi-active control are examined using the 20 accelerograms. The results show that: 1) the distribution of energy through the height of the building is mostly independent of the frequency content and the duration of strong motion, 2) base-isolation, supplemental damping, and semi-active control reduce the damage potential by reducing the input and hysteretic energy demands and have significant influences on the distribution of energy through the height of the building.
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B. Szabo: Influence of Shear Connectors on the Elastic Behaviour of Composite Girders
Doctoral dissertation at Helsinki University of Technology
The effect of deformable and rigid connectors and influence of connection parameters on the behaviour of composite girders is examined. Both the elastic and plastic behaviour are discussed, but the former one is the main concern. Deformable connectors cause slip in the joint, which results in redistribution of internal forces and changes in the deformed shape of the beam compared to the connection with rigid connectors.
The aim of this study is to complement the analytical methods and develop numerical models – based on the author's experimental research – capable to provide reliable parametric studies of three-dimensional structural models of composite girders with deformable and rigid connectors.
At first, the partial interaction problem, behaviour of composite girders in the case of various loading types, recent development and real behaviour of connections of composite girders is discussed in the introduction. It is followed by a detailed literature survey serving the purpose of this study. This survey comprises two main parts: analytical and numerical models of composite girders. Among the analytical models, statical and energy methods are considered. The author also developed a new kind of energy method based on variational calculation for determination of shear force distribution of shear connectors of composite girders. The new method is in compliance with the experimental and the latest theoretical investigations. Next, experimental study on steel-concrete and wood-plywood composite girders conducted by the author at the Budapest University of Technology and Economics and Helsinki University of Technology respectively, are presented as well.
Experimental studies are followed by parametric studies based on analytical and finite element analyses in order to examine how changes in the connector stiffness affect the behaviour of composite girders. Based on these parametric studies, new design formulas are developed for design practice. The main results obtained by the author are: development of energy method based on the variation calculation, elaboration of a parametric study for determining the elastic shear force for all cross-sections and spans, use of photoelastic method to verify shear stresses near to the beam end, simulation of temperature effect, and development of a FEM model providing results that show good compliance with experimental results.
Keywords: steel-concrete and wood-concrete composite girders, bridge, shear connection, flexible connectors, finite element method, parametric study
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Philip Jodidio, "Architecture in the Netherlands"
Taschen | March 1, 2006 | ISBN: 382283971X | PDF | 80 Mb | 192 pages
TASCHEN’s new architecture series brings a unique perspective to world architecture, highlighting architectural trends by country. Each book features 15 to 20 architects—from the firmly established to the up-and-coming—with the focus on how they have contributed to very recent architecture in the chosen nation. Entries include contact information and short biographies in addition to copiously illustrated descriptions of the architects’ or firms’ most significant recent projects. Crossing the globe from country to country, this new series celebrates the richly hued architectural personality of each nation featured.
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Philip Jodidio, "Architecture in Japan"
Taschen | April 1, 2006 | ISBN: 3822839884 | PDF | 97 Mb | 192 pages
TASCHEN’s new architecture series brings a unique perspective to world architecture, highlighting architectural trends by country. Each book features 15 to 20 architects—from the firmly established to the up-and-coming—with the focus on how they have contributed to very recent architecture in the chosen nation. Entries include contact information and short biographies in addition to copiously illustrated descriptions of the architects’ or firms’ most significant recent projects. Crossing the globe from country to country, this new series celebrates the richly hued architectural personality of each nation featured.
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Philip Jodidio, "Architecture in France (Architecture & Design Series)"
Taschen | October 1, 2006 | ISBN: 3822852570 | PDF | 118 Mb | 192 pages
TASCHEN's new architecture series brings a unique perspective to world architecture, highlighting architectural trends by country. Each book features 15 to 20 architects—from the firmly established to the up-and-coming—with the focus on how they have contributed to very recent architecture in the chosen nation. Entries include contact information and short biographies in addition to copiously illustrated descriptions of the architects' or firms' most significant recent projects. Crossing the globe from country to country, this new series celebrates the richly hued architectural personality of each nation featured.
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Units of Measurement: Past, Present and Future. International System of Units
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Units of Measurement: Past, Present and Future. International System of Units
Publisher: Springer
Pages: 158
2009-12-01
ISBN 3642007376
PDF 1.8 MB
It is for the first time that the subject of quantities and their respective units is dealt this much in detail, a glimpse of units of measurements of base quantities of length, time, mass and volume is given for ancient India, three and four dimensional systems of measurement units are critically examined, establishment of the fact that only four base units are needed to describe a system of units, the basics to arrive at the unit of a derived quantity are explained, basic, derived and dimensionless quantities including quantity calculus are introduced, life history of scientists concerned with measurements units are presented to be inspiring to working metrologists and students. The International System of Units including, Metre Convention Treaty and its various organs including International National of Weights and Measure are described. The realisation of base units is given in detail. Classes of derived units within the SI, units permitted for time to come, units outside SI but used in special fields of measurements are described. Methods to express large numbers are explained in detail. Multiples and sub-multiples prefixes and their proper use are also given. The latest trends to redefine the base Kilogram, Ampere, Kelvin and Mole on existing base units of mass, electric current, temperature and amount of substance, in terms of a single parameter or fundamental constants are briefly described.
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Practical Matlab Applications for Engineers
Publisher: CRC
Pages: 704
2008-09-04
ISBN: 1420047760
PDF 7 MB
Practical Matlab Applications for Engineers provides a tutorial for those with a basic understanding of Matlab®. It can be used to follow Misza Kalechman’s, Practical Matlab Basics for Engineers (cat no. 47744). This volume explores the concepts and Matlab tools used in the solution of advanced course work for engineering and technology students. It covers the material encountered in the typical engineering and technology programs at most colleges. It illustrates the direct connection between theory and real applications. Each chapter reviews basic concepts and then explores those concepts with a number of worked out examples.
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Practical Matlab Basics for Engineers
Publisher: CRC
Pages: 712
2008-09-04
ISBN: 1420047744
PDF 10 MB
A comprehensive and accessible primer, this tutorial immerses engineers and engineering students in the essential technical skills that will allow them to put Matlab® to immediate use. The book covers concepts such as: functions, algebra, geometry, arrays, vectors, matrices, trigonometry, graphs, pre-calculus and calculus. It then delves into the Matlab language, covering syntax rules, notation, operations, computational programming, and general problem solving in the areas of applied mathematics and general physics. This knowledge can be used to explore the basic applications that are detailed in Misza Kalechman’s companion volume, Practical Matlab Applications for Engineers (cat no. 47760). .
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