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This European Standard describes methods for establishing structural data for stiffness and resistance by calculation supported by tests for load bearing towers made of prefabricated components of steel or aluminium alloy. The vertical load capacity is established, both with or without horizontal loads and with the top restrained or free. This European Standard specifies two methods of analysis, by first order theory, or by second order theory. NOTE For definitions and requirements relating to structures and materials of the structure, specifications and loads, see EN 12812. The European Standard is not intended for towers constructed with tubes and couplers: it is expected that they will be designed in accordance with EN 12812.
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Author: Luis Ribeiro e Sousa, Eurípedes Vargas Jr. | Size: 23.4 MB | Format:PDF | Quality:Unspecified | Year: 2013 | pages: 474 | ISBN: 0415616611
Since the 1990s five books on ‘Applications of Computational Mechanics in Geotechnical Engineering’ have been published. Innovative Numerical Modelling in Geomechanics is the 6th and final book in this series, and contains papers written by leading experts on computational mechanics. The book treats highly relevant topics in the field of geotechnics, such as environmental geotechnics, open and underground excavations, foundations, embankments and rockfill dams, computational systems and oil geomechanics. Special attention is paid to risk in geotechnical engineering, and to recent developments in applying Bayesian networks and Data Mining techniques.
Innovative Numerical Modelling in Geomechanics will be of interest to civil, mining and environmental engineers, as well as to engineering geologists. The book will also be useful for academics and researchers involved in geotechnics.
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This book looks in depth at the properties and behavior of concrete under tension, a phenomenon that can cause catastrophic failure of concrete structures if it is not properly factored into the design stage.
After an introduction to concrete, the book is divided into two parts: Part one on static response and part two on dynamic response. Part one starts with a summary chapter on the most important parameters that affect the tensile response of concrete. Chapter three shows how multi-scale modeling is used to relate concrete composition to tensile properties. Part two begins by explaining the different regimes of dynamic loading, ranging from the low frequency loading by wind or earthquakes up to the extreme dynamic conditions due to explosions and ballistic impacts. Chapters review dynamic testing techniques and devices that deal with the various regimes of dynamic loading and highlight the dynamic behavior of concrete from different viewpoints. The conclusion contains practical examples of how detailed knowledge on tensile properties is used by engineers in structural applications.
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Scan, Convert & Manage your documents. Readiris 14 is a powerful OCR software designed to convert all your paper documents, images or PDF into editable and searchable digital text (Word, Excel, PDF…) in just a click ! Readiris 14 converts your paper, images or PDF files into editable and searchable digital text (Word, Excel, PDF,...) Convert standard document images & PDF files into a fully indexed, keyword-retrievable PDF documents.Upload your documents to the Cloud and retrieve them anywhere, anytime and on any device. Import your paper documents from any scanner using Readiris 14’s embedded scanning wizard.
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During day-to-day use, thousands of lives are lost each year due to accidents, directly or indirectly, resulting from poor transportation system reliability and safety. In the United States, automobile accidents alone result in around 42,000 deaths per year, costing billions of dollars to the economy each year. A common subject in journal articles and conference proceedings, most of the recent research on transportation systems reliability and safety is scattered in different resources. Until now.
Drawing together the latest research spread throughout the literature, Transportation Systems Reliability and Safety eliminates the need to consult many different and diverse sources to obtain up-to-date information and research. It contains a chapter on mathematical concepts and another chapter on reliability and safety basics that form a foundation for understanding the contents of subsequent chapters. The book also presents a chapter devoted to methods for performing transportation system reliability and safety analysis. It includes a reference section at the end of each chapter for readers who wish to delve deeper into a specific area.
The author clearly and concisely covers topics in such a manner that readers require no previous knowledge to understand the concepts. He provides examples and their solutions as well as numerous problems at the end of each chapter to test reader comprehension. The presentation of historical information paired with recent research give readers a foundation for understanding where the field is now and snapshot of where it may be going.
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Concrete is an inherently complex material to produce and an even more complex material to repair. With growing pressure to maintain the built environment, and not simply to demolish and rebuild, the need to repair concrete buildings and other structures is increasing and is expected to become of greater importance in the future.
This straightforward book serves as a practical guide to engineers on the processes to be followed in commissioning a concrete repair. It stresses the need to fully understand the cause, extent and location of the problem, by appropriate insitu and laboratory testing. And it outlines the steps to a successful repair. It includes sections on the different repair techniques, giving good practical advice as to where and when to use them, and the warns of the pitfalls of their incorrect use. It also includes an up-to-date guide on the current standards for repair, and provides a good bibliography on other sources of information and books on the various techniques.
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Article/eBook Full Name: Roadway Design With InRoads V8i
Author(s): Brian L. Bowman; Theresa Barksdale
Publish Date: 2013
ISBN: ISBN: 9781133607373
Published By: Delmar Cengage Learning
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GeoStructural Analysis
Bentley GeoStructural Analysis is geotechnical analysis software, which allows you to evaluate alternate design scenarios within a single, interoperable product suite, ensuring that the subsurface data is used efficiently for an integrated project delivery.
Bentley GeoStructural Analysis includes Excavation Analysis, Foundation Analysis, and Retaining Wall Analysis.
GeoStructural Finite Element Analysis
The GeoStructural Finite Element Analysis suite contains tools for performing Finite Element modeling for a range of geotechnical problems including excavation, slope stability, foundation beams, settlement, tunneling, and more.
Key Features
Leverage a database of material models to accurately represent soil or rock mass properties
Model ground water conditions by defining the ground water table (GWT) or the pore water pressure distribution
Construct problems in axisymmetric or plane strain space
Utilize time-saving input of project information using DXF file format and automatic mesh generator
Generate boundary conditions automatically or through individual specification
Specify analysis for stress distribution, stability, fluid flow, and tunnels
Specify regional design standards for concrete (e.g., ACI) and steel structures
Accurately model complex multi-stage construction projects
Analyze an unlimited number of anchor, geogrid, and geotextile elements
Analyze an unlimited number of surcharge loads
Analyze project for stability throughout construction sequence to identify
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