Design of Foundations for Offshore Wind Turbines is a comprehensive reference which covers the design of foundations for offshore wind turbines, and includes examples and case studies. It provides an overview of a wind farm and a wind turbine structure, and examines the different types of loads on the offshore wind turbine structure. Foundation design considerations and the necessary calculations are also covered. The geotechnical site investigation and soil behavior/soil structure interaction are discussed, and the final chapter takes a case study of a wind turbine and demonstrates how to carry out step by step calculations.
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Author(s)/Editor(s): Thomas T. C. Hsu | Size: 31.6 MB | Format:PDF | Quality:Original preprint | Publisher: Springer | Year: 2019 | pages: 415 | ISBN: ISBN-13: 978-9811332777 ISBN-10: 9811332770
This book gathers 23 papers by top experts from 11 countries, presented at the 3rd Houston International Forum: Concrete Structures in Earthquake. Designing infrastructures to resist earthquakes has always been the focus and mission of scientists and engineers located in tectonically active regions, especially around the “Pacific Rim of Fire” including China, Japan, and the USA. The pace of research and innovation has accelerated in the past three decades, reflecting the need to mitigate the risk of severe damage to interconnected infrastructures, and to facilitate the incorporation of high-speed computers and the internet. The respective papers focus on the design and analysis of concrete structures subjected to earthquakes, advance the state of knowledge in disaster mitigation, and address the safety of infrastructures in general.
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Author(s)/Editor(s): Azev, António C.; Delgado, João M. P. Q.; Horowitz, Bernardo; Silva, Fernando A. N. | Size: 5.68 MB | Format:PDF | Quality:Original preprint | Publisher: Springer | Year: 2019 | pages: 93 | ISBN: ISBN 978-3-030-13620-8 ISBN 978-3-030-13621-5
This book offers a new calculation procedure of the structural behavior of grouped layout of silos, easy to use and with satisfactory responses.
Groups of reinforced concrete silos are structures commonly used in the food industry, where it is usually necessary to separate the storage of different types and sources of grain.
The grouped layout of silos has numerous benefits when compared with single-cell silos in which the emphasis is on creating further space for silage, normally referred to as interstice – a space formed between the edges of the group’s cells. This economic benefit, on the other hand, raises a structural problem for the designer of this type of building, which is to assess the magnitude of bending moments and hoop forces due to the structural continuity of the walls in the interstice region of the cells. Bending moments assume extreme values exactly when the interstice is loaded and the other cells in the group are empty.
To develop the formulation of the proposed analysis models, a parametric study was carried out that allowed the adequate consideration of the variables involved.
The idea is to help professionals, engineers, industrials and academics involved in this advanced interdisciplinary field as a comprehensive guide for courses offered at different levels of learning (undergraduate and postgraduate).
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This book is a thorough and comprehensive update of the 2002 edition, that incorporates detailed references to the Canadian, American, and British (European) standards, contextualized by the author based on over 30 years of construction experience. In addition to updates to the core text, many new topics are presented in the second edition, including a chapter discussing the methods for achieving quality control and ensuring quality assurance in concrete construction. The book consists of two parts. The first part provides basic information about normal concrete, its grades used on sites and various kinds of modified concretes such as fiber- reinforced concrete, sulphur concrete, roller compacted concrete, high performance concrete, ultra- high performance concrete, and flowing concrete. . It further addresses physical properties of concrete and various types of Portland cement, blended cements, admixtures, additives including properties of aggregates and their influence. The second part of the book highlights the principal causes of concrete deterioration along with protective measures, resulting from incorrect selection of constituent materials, poor construction methods, external factors, chemical attack, corrosion problems, hot and cold weather effects, and the various errors in designing and detailing. Featuring an extensive bibliography of the highly adopted standards as well as manuals and journals critical to the construction industry at the end of each chapter, the volume offers readers an advanced understanding of the theory and practical application of concrete technology and international standards in North America and Britain.
Addresses concrete technology as well as concrete construction practices, meeting national and international standards;
Maximizes readers' understanding of the principal causes of concrete deterioration along with protective measures;
Facilitates readers' grasp of different nomenclature used for the same materials in different parts of the world;
Features suitable tables, charts, and diagrams that illustrate and organize useful information;
Explains sustainable concrete doctrine and how to achieve it meeting green concrete / building requirements;
Provides a glossary, conversion factors, and examples of concrete mix design.
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Author(s): António J. Reis & José J. Oliveira Pedro
Published By:John Wiley & Sons
Published Year:2019
Size: ~29 MB
Quality:Original Preprint
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This is the first design guide on concrete filled double skin steel tubular (CFDST) structures. It addresses in particular CFDST structures with plain concrete sandwiched between circular hollow sections, and provides the relevant calculation methods and construction provisions for CFDST structures.
These inherit the advantages of conventional concrete-filled steel tubular (CFST) structures, including high strength, good ductility and durability, high fire resistance and favourable constructability. Moreover, because of their unique sectional configuration, CFDST structures have been proved to possess lighter weight, higher bending stiffness and better cyclic performance than conventional CFST. Consequently CFDST can offer reduced concrete consumption and construction costs.
This design guide is for engineers designing electrical grid infrastructures, wind power towers, bridge piers and other structures requiring light self-weight, high bending stiffness and high bearing capacity.
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This text provides a concise and practical guide to timber design, using both the Allowable Stress Design and the Load and Resistance Factor Design methods. It suits students in civil, structural, and construction engineering programs as well as engineering technology and architecture programs, and also serves as a valuable resource for the practicing engineer. The examples based on real-world design problems reflect a holistic view of the design process that better equip the reader for timber design in practice.
This new edition
- now includes the LRFD method with some design examples using LRFD for joists, girders and axially load members.
- is based on the 2015 NDS and 2015 IBC model code.
- includes a more in-depth discussion of framing and framing systems commonly used in practice, such as, metal plate connected trusses, rafter and collar tie framing, and pre-engineered framing.
- includes sample drawings, drawing notes and specifications that might typically be used in practice.
- includes updated floor joist span charts that are more practical and are easy to use.
- includes a chapter on practical considerations covering topics like flitch beams, wood poles used for footings, reinforcement of existing structures, and historical data on wood properties.
- includes a section on long span and high rise wood structures
- includes an enhanced student design project
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Civil engineers must assure that buildings have long and durable lives, and therefore structural assessment and repair are routinely required and must be performed with the utmost accuracy and professionalism. Assessment, Evaluation, and Repair of Concrete, Steel, and Offshore Structures presents the typical causes of structural failure and their mechanisms, discusses the most up-to-date methods for evaluation and structural assessment, and explains the best project management strategies from the feasibility stage through operations and maintenance. Numerous types of structures are examined and are further illustrated by relevant case studies.
Features:
Examines the probability of several types of structural failure and includes reliability analysis.
Presents best practices for predicting the structural lifetime for both onshore and offshore structures and reviews the most advanced methods for repair.
Includes numerous practical case studies of structural failure and offers mitigation strategies depending of type of structure.
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