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Author: Keith John Eaton
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 28
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Book Description
Author: Keith John Eaton
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 28
Get Book Here
Book Description
Author: Keith John Eaton
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Jeremy Michael Case
Publisher:
ISBN:
Category :
Languages : en
Pages : 191
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Book Description
Author: John D. Holmes
Publisher: CRC Press
ISBN: 0203964284
Category : Technology & Engineering
Languages : en
Pages : 444
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Book Description
Bridging the gap between wind and structural engineering, Wind Loading of Structures demonstrates the application of wind engineering principles to ensure maximum safety in a variety of structures. This book will assist the practising engineer in understanding the principles of wind engineering, and provide guidance on the successful design of structures for wind loading by gales, hurricanes, typhoons, thunderstorm downdrafts and tornados. The principles of meteorology, statistics and probability, aerodynamics and structural dynamics are covered in the first half of the book. The second half describes, qualitatively and quantitatively, the nature of wind loads on all types of structures, including low-rise and tall buildings, large stadium roofs, towers and chimneys, bridges, transmission lines, free-standing walls and roofs, and antennae. Special features include coverage of extreme winds in tropical and sub-tropical climates, wind-tunnel testing techniques, a summary of the wind climates of over sixty countries, and detailed coverage of internal as well as external wind pressures on buildings. A comparison is made of the provisions for wind loads in six major national and international codes and standards. Examples and case studies are given in each chapter that make the book suitable for supporting university graduate courses in wind loading and response.
Author: Mark Edward Nywening
Publisher:
ISBN:
Category :
Languages : en
Pages : 554
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Book Description
Author: Emil Simiu
Publisher: John Wiley & Sons
ISBN: 1119375886
Category : Technology & Engineering
Languages : en
Pages : 533
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Book Description
Provides structural engineers with the knowledge and practical tools needed to perform structural designs for wind that incorporate major technological, conceptual, analytical and computational advances achieved in the last two decades. With clear explanations and documentation of the concepts, methods, algorithms, and software available for accounting for wind loads in structural design, it also describes the wind engineer's contributions in sufficient detail that they can be effectively scrutinized by the structural engineer in charge of the design. Wind Effects on Structures: Modern Structural Design for Wind, 4th Edition is organized in four sections. The first covers atmospheric flows, extreme wind speeds, and bluff body aerodynamics. The second examines the design of buildings, and includes chapters on aerodynamic loads; dynamic and effective wind-induced loads; wind effects with specified MRIs; low-rise buildings; tall buildings; and more. The third part is devoted to aeroelastic effects, and covers both fundamentals and applications. The last part considers other structures and special topics such as trussed frameworks; offshore structures; and tornado effects. Offering readers the knowledge and practical tools needed to develop structural designs for wind loadings, this book: Points out significant limitations in the design of buildings based on such techniques as the high-frequency force balance Discusses powerful algorithms, tools, and software needed for the effective design for wind, and provides numerous examples of application Discusses techniques applicable to structures other than buildings, including stacks and suspended-span bridges Features several appendices on Elements of Probability and Statistics; Peaks-over-Threshold Poisson-Process Procedure for Estimating Peaks; estimates of the WTC Towers’ Response to Wind and their shortcomings; and more Wind Effects on Structures: Modern Structural Design for Wind, 4th Edition is an excellent text for structural engineers, wind engineers, and structural engineering students and faculty.
Author: S.O. Ekolu
Publisher: IOS Press
ISBN: 1614994668
Category : Technology & Engineering
Languages : en
Pages : 1562
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Book Description
The two volumes of these Proceedings contain about 200 conference papers and 10 keynote papers presented at the First International Conference on Construction Materials and Structures, held in Johannesburg, South Africa from 24 to 26 November 2014. It includes sections on Materials and characterization; Durability of construction materials; Structural implications, performance, service life; Sustainability, waste utilization, the environment; and Building science and construction.
Author: Murad Aldoum
Publisher:
ISBN:
Category :
Languages : en
Pages : 155
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Book Description
The present study examines wind loads on low-slope roofs of low-rise and mid-rise buildings with large plan dimensions (118 m) to investigate the suitability of wind provisions of the North American codes and standards to such buildings. Examination of such buildings is necessary since the wind provisions of the North American codes and standards were established based on wind tunnel studies involved in the determination of wind loads on buildings with common plan dimensions, i.e. less than 60 m. The size of roof pressure zones and the magnitude of pressure coefficients on low-sloped roofs of low-rise and mid-rise buildings with large spans have been examined experimentally in the wind tunnel of Concordia University. Three building models were constructed at a length scale of 1:400 with identical plan dimensions (118 m x 118 m) and different heights (5 m, 10 m, and 20 m). The models were tested in simulated open country and suburban exposures for 7 wind directions: 0°, 15°, 30°, 45°, 60°, 75° and 90°. The pressure measurements have been presented in terms of contours of enveloped pressure coefficients, local pressure coefficients, and area-averaged pressure coefficients. The results of the current study have been compared with previous studies, full-scale data and the wind provisions of the North American codes. It was found that the magnitude of external peak pressure coefficients recommended by ASCE 7-16 for low-slope roofs of low-rise buildings are much higher than the experimental findings and using those recommended by ASCE 7-10 is safe and more economical for large low-rise buildings. Also, for buildings of 8 m height or more, the corner zone should be sized according to ASCE 7-10 and NBCC 2015; and shaped based on ASCE 7-16. Moreover, for large low-rise building with low heights, say 5 m, it was found that wind loads on the roof corner are approximately equal to those on the edge zone. Exceptions for low-rise buildings with large configurations and low-slope roofs are proposed for ASCE 7 and NBBC regarding roof pressure zones and the magnitude of cladding and components external peak pressure coefficients.
Author: J.D. Holmes
Publisher: Elsevier
ISBN: 0444601260
Category : Technology & Engineering
Languages : en
Pages : 506
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Book Description
Wind Engineering 1983, Part B contains the proceedings of the Sixth International Conference on Wind Engineering, held in Gold Coast, Australia, on March 21-25, 1983 and in Auckland, New Zealand, on April 6-7, 1983 under the auspices of the International Association for Wind Engineering. The conference provided a forum for discussing topics related to wind energy and wind engineering, from bluff body aerodynamics and mathematical models of wind loading to full-scale measurement and modeling of buildings and other structures. Comprised of 37 chapters, this volume begins with a description of two probabilistic wind load models used in assessing the safety indices of structural members in cyclonic and non-cyclonic regions of Australia. The discussion then turns to the effect of uncertainties in wind load estimation on reliability assessments; wind tunnel test program and risk analysis for structural design; and application of wind engineering to low-rise housing. Subsequent sections focus on wind loading of chimneys and cooling towers, bridges, cables and transmission lines, and offshore platforms. The fundamentals of bluff body aerodynamics are also examined, along with mathematical models of wind loading. This monograph will be of interest to students, practitioners, and researchers concerned with wind energy and wind engineering.
Author: Mohamed Ragab Elsharawy
Publisher:
ISBN:
Category :
Languages : en
Pages : 153
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Book Description
Proper building design against wind loads depends primarily on the adequacy of the provisions of codes of practice and wind load standards. During the past decades, much has been learned about along- and across-wind forces on buildings. However, studies on wind-induced torsional loads on buildings are very limited. The recent trends towards construction of more complex building shapes and structural systems can result in an increase of the unbalanced wind loads yielding an increase of torsional moments. Thus, re-visiting the wind load provisions is of an utmost concern to ensure their adequacy in evaluating torsion on low- and medium-rise buildings and to achieve safe, yet economic building design. It is noteworthy that most of the wind loading provisions on torsion have been developed from the research work largely directed towards very tall and flexible buildings for which resonant responses are significant. However, the dynamic response of most low- and medium-rise buildings is dominated by quasi-steady gust loading with little resonant effect. Moreover, the lack of knowledge regarding wind-induced torsion is reflected in having different approaches in evaluating torsion in the international wind loading codes and standards. The current research program undertakes the investigation of shear and torsional wind loads on low- and medium-rise buildings. The study demonstrates that North American and European Codes and Standards have quite different provisions for wind-induced torsion acting on low- and medium-rise buildings with typical geometries – namely, for horizontal aspect ratios (L/B) equal to 1, 2, and 3. In the experimental phase, several buildings with different configurations, i.e. different roof angles (0°, 18.4°, 45°) and heights (ranging from 6 m to 60 m) were tested in the boundary layer wind tunnel of Concordia University for different wind directions (every 15°). The measured shear and torsional loads were compared with the Canadian and American code provisions. The study found that NBCC 2010 underestimates torsion on low-rise buildings significantly, while discrepancies were found for medium-rise buildings. In addition, wind load combinations for low- and medium-rise buildings were studied. For flat-roofed buildings, it was found that maximum torsion for winds in transverse direction is associated with 80% of the overall shear force perpendicular to the longer horizontal building dimension; and 45% of the maximum shear occurs perpendicular to the smaller horizontal building dimension. Suggested approaches and load combination factors were introduced to enhance the current building codes and standards aiming at an adequate evaluation of wind load effects on low- and medium-rise buildings.
