The realization process of civil engineering structures is complicated, involving a wide variety of disciplines, each of which brings a specific contribution. It is a challenge to structure the process so that a balanced, optimized participation of the many disciplines involved is achieved. One of the critical success factors is knowledge management: each discipline should bring professional knowledge, but they should interact at interfaces as well.
Temporary structures are an example of this phenomenon: they are right in the middle of a complex system of interactions between structural engineering, site engineering, work preparation, procurement, and execution. They have a significant impact on cost, construction time, construction methodology and the through-life performance of the actual structure.
Formwork and falsework are among the most important elements of temporary structures for civil engineering projects. Knowledge management with respect to formwork and falsework requires engineers to share knowledge and experience in the broadest sense, as the actual performance of formwork and falsework can only be evaluated at a late stage in the realization process, when some disciplines are no longer present. The learning circle can therefore only be closed through feedback.
fib Bulletin 48 presents an overview of formwork and falsework techniques and addresses issues related to the design and application thereof. Its objective is to bridge the gap often experienced in practice by effectively feeding back state of the art knowledge and experience with regard to formwork and falsework, thus making a larger group of engineers familiar with the important issues related to the design and application of formwork and falsework. It aims to provide both structural and site engineers with information to design and use formwork and falsework in a safe, reliable, and economic way, thus achieving better interaction between the engineering disciplines involved.
Bulletin 48 addresses some fundamental issues related to formwork and falsework:
- The appearance of the finished concrete, which is closely related to the quality of the formwork.
- The performance of the finished concrete in relation to durability and as part of Life Cycle Management.
- The need to support the concrete while it acquires enough strength and stiffness to support itself. In this context the most important issue is structural safety.
The guidelines given in this document are based on the experience of site and design engineers; and most of the advice is a consequence of real problems experienced in the past. Any warnings based solely on theoretical judgment have been avoided; only recommendations based on experience have been included.
fib Bulletin 48 focuses on principles only, and therefore does not address detailed design issues, for which local design codes should be applied.
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Posted by: fred2010 - 12-28-2013, 07:24 AM - Forum: Archive
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Reliability of Structures, Second Edition
Author: Andrzej S. Nowak, Kevin R. Collins | Size: ? MB | Format:PDF | Quality:Unspecified | Publisher: CRC | Year: 2013 | pages: 407 | ISBN: 0415675758 - 978-0415675758
Features
Suitable for both students and professionals
Assumes little mathematical background
Written with an applied focus, with only enough mathematics and engineering theory to empower the reader
Rich in useful worked examples
A solutions manual is available upon qualifying course adoption
Summary
Reliability of Structures enables both students and practising engineers to appreciate how to value and handle reliability as an important dimension of structural design. It discusses the concepts of limit states and limit state functions, and presents methodologies for calculating reliability indices and calibrating partial safety factors. It also supplies information on the probability distributions and parameters used to characterize both applied loads and member resistances.
This revised and extended second edition contains more discussions of US and international codes and the issues underlying their development. There is significant revision and expansion of the discussion on Monte Carlo simulation, along with more examples.
The book serves as a textbook for a one-semester course for advanced undergraduates or graduate students, or as a reference and guide to consulting structural engineers. Its emphasis is on the practical applications of structural reliability theory rather than the theory itself. Consequently, probability theory is treated as a tool, and enough is given to show the novice reader how to calculate reliability. Some background in structural engineering and structural mechanics is assumed.
A solutions manual is available upon qualifying course adoption.
Posted by: vangjo - 12-26-2013, 07:57 AM - Forum: Archive
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Article/eBook Full Name: Analysis of beam grids and orthotropic plates by the Guyon-Massonnet-Bares method
Author(s): by Richard Bares, C. Massonnet
Publish Date: 1968
ISBN: ASIN: B0006BY3FG
Published By: SNTL
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I would like to take this opportunity to thank everybody in this forum who are trying to help others.
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Posted by: freequo - 12-24-2013, 09:14 AM - Forum: Archive
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Article/eBook Full Name: Finite Element Analysis of Reinforced Concrete Structures
Author(s): William Kaspar, Tada-Aki Tanabe, Kaspar J. Willam, Alex C. Scordelis
Edition: 1st
Publish Date: 2002
ISBN: 087031064X
Published By: Amer Concrete Inst
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Posted by: freequo - 12-24-2013, 09:11 AM - Forum: Archive
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Article/eBook Full Name: Soil Erosion: Processes, Prediction, Measurement, and Control
Author(s): Terrence J. Toy, George R. Foster, Kenneth G. Renard
Edition: 1st
Publish Date: 2002
ISBN: 0471383694
Published By: Wiley
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Structural irregularities are one of the most frequent causes of severe damages in buildings, as evidenced by the numerous earthquakes in recent years. This issue is of particular importance, since real structures are almost all irregular. Furthermore, structural irregularities depend on several factors often very difficult to predict. This book is an essential tool for understanding the problem of structural irregularities and provides the most up-to-date review on this topic, covering the aspects of ground rotations, analysis, design, control and monitoring of irregular structures. It includes 24 contributions from authors of 13 countries, giving a complete and international view of the problem.
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Role of Seismic Testing Facilities in Performance-Based Earthquake Engineering
Author: Michael N. Fardis (Editor), Zoran T. Rakicevic (Editor) | Size: 11.2 MB | Format:PDF | Quality:Original preprint | Publisher: Springer | Year: 2012 edition | pages: 380 pages
Nowadays research in earthquake engineering is mainly experimental and in large-scale; advanced computations are integrated with large-scale experiments, to complement them and extend their scope, even by coupling two different but simultaneous tests. Earthquake engineering cannot give answers by testing and qualifying few, small typical components or single large prototypes. Besides, the large diversity of Civil Engineering structures does not allow drawing conclusions from only a few tests; structures are large and their seismic response and performance cannot be meaningfully tested in an ordinary lab or in the field. So, seismic testing facilities should be much larger than in other scientific fields; their staff has to be resourceful, devising intelligent ways to carry out simultaneously different tests and advanced computations. To better serve such a mission European testing facilities and researchers in earthquake engineering have shared their resources and activities in the framework of the European project SERIES, combining their research and jointly developing advanced testing and instrumentation techniques that maximize testing capabilities and increase the value of the tests. This volume presents the first outcomes of the SERIES and its contribution towards Performance-based Earthquake Engineering, i.e., to the most important development in Earthquake Engineering of the past three decades. The concept and the methodologies for performance-based earthquake engineering have now matured. However, they are based mainly on analytical/numerical research; large-scale seismic testing has entered the stage recently. The SERIES Workshop in Ohrid (MK) in Sept. 2010 pooled together the largest European seismic testing facilities, Europe’s best experts in experimental earthquake engineering and select experts from the USA, to present recent research achievements and to address future developments.
Audience: This volume will be of interest to researchers and advanced practitioners in structural earthquake engineering, geotechnical earthquake engineering, engineering seismology, and experimental dynamics, including seismic qualification.
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