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  The "Subscribe to this thread" is not working...
Posted by: Diquan - 05-08-2010, 06:53 AM - Forum: FAQs, Q&A, comments - Replies (2)

Hi,

In a recent post i wanted to suscribe to a thread to receive updates and when i clicked on it it says:

Authorisation code mismatch. Are you accessing this function correctly? Please go back and try again.

I try that in differents threads and doesn't work.

Thank you.

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  Nonlinear Targeted Energy Transfer in Mechanical and Structural Systems
Posted by: Badis - 05-07-2010, 05:54 PM - Forum: Mechanics & Material Technology (Elasticity, Plasticity and Nonlinearity) - Replies (1)

Nonlinear Targeted Energy Transfer in Mechanical and Structural

[Image: 40875369639091352495.jpeg]

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By Alexander F. Vakakis, Oleg V. Gendelman, Lawrence A. Bergman, D. Michael McFarland, Gaëtan Kerschen, Young Sup Lee
* Title: Nonlinear Targeted Energy Transfer in Mechanical and Structural Systems
* Author: Alexander F. Vakakis, Oleg V. Gendelman, Lawrence A. Bergman, D. Michael McFarland, Gaëtan Kerschen, Young Sup Lee.
* Publisher: Springer (2008-12-16)
* Number Of Pages: 1032
* Publication Date: 2008-12-16
* ISBN-10 / ASIN: 1402091257
* ISBN-13 / EAN: 9781402091254


This monograph is the first in the new area of targeted nonlinear energy transfer in mechanical and structural systems. This concept was initially discovered by the two leading authors in 1999, and was further developed exclusively by the entire author group in the last 6 years. Since then, additional groups of researchers in the USA, Russia, UK and France have started working on this concept and applying it.

It is estimated that in the years to come, the concept of targeted nonlinear energy transfer will be considered and applied by numerous groups of researchers and practitioners internationally. This monograph presents theoretical methods, computational results and experimental demonstrations of this concept applied to discrete and continuous coupled nonlinear oscillators. Moreover, it demonstrates the wide applicability of targeted nonlinear energy transfer to a wide range of problems, including: (1) Vibration and shock isolation in mechanical systems; (2) Seismic mitigation; (3) Aeroelastic and structural instability suppression; (4) Drilling operations; (5) Packaging devices.

This is a groundbreaking and unique volume, providing new design paradigms in a variety of fields.

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  CEMENT FACTORY FULL DWG.
Posted by: mahfuzbangla - 05-07-2010, 05:11 PM - Forum: Drawings - No Replies

CEMENT FACTORY FULL DWG.

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CEMENT FACTORY FULL DWG.



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  Help Required
Posted by: farooq - 05-07-2010, 02:12 PM - Forum: Free Discussion - No Replies

I have recently done my BE in Civil Engineering.Now I want to do Masters in Transportation Engineering.Can you please guide me regarding the scope of Transportation Engineering(jobs, Pay scale ,etc) ,cause mostly I see jobs in Highway department which require BE with some experience.So can you plz tell me if masters is going to add something in my arsenal .

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  FIB B32: Guidelines for the design of footbridges
Posted by: Badis - 05-07-2010, 01:33 PM - Forum: Bridge (Project and Technology) - Replies (2)

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fib Bulletin No. 32
Title: Guidelines for the design of footbridges
Category: Guide to good practice
Year: 2005
Pages: 160
Format approx. DIN A4 (210x297 mm)
ISBN: 978-2-88394-072-7

Abstract:
The intention of fib Bulletin 32 is to present guidelines for the design of footbridges as well as bridges accommodating cyclists and bridleways (equestrian paths). The need for these guidelines comes from the fact that structural engineers designing footbridges currently have to spend considerable time and energy collecting information from numerous documents, codes and recommendations to make design decisions. There seems to be no international document dedicated solely to the design of footbridges.

These guidelines attempt to provide a concentrated source of information regarding all design issues specific to footbridges. It is meant to be a 'liberal' document in the sense that it promotes new, innovative and bold yet prudent designs by sharing the experience of the authors, summarizing specifications given in codes, and presenting a collection of examples of well-designed structures or structural details from around the world. It is not intended to be an international code that specifies limits and admissible values, thus encouraging timid, conservative designs that are repetitions of approved and tested designs. Indeed, it may be the very fact that no international code exists specifically for footbridges that encourages the wide variety of footbridge designs found today.

It should be noted that numerous guidelines, codes and books have been published on bridge design in general. Information given in those publications that is also applicable to footbridges is not repeated in Bulletin 32.

The chapters of these guidelines all follow the same pattern:

* an introduction to the subject, general guidelines as well as do's and don'ts;
* a summary of information found in existing international codes, recommendations, experience of the authors, and built examples with comparison and comments on this information;
* examples.

Plenty of illustrations and photographs help to visualize the themes of this work. The last chapter, 'Case Studies', contains footbridges each with a short summary of main structural data and references for further reading.


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  Repair and Strengthening of Concrete Structures – FIP Guide to Good Practice
Posted by: peixoto - 05-07-2010, 01:20 PM - Forum: Concrete - No Replies

Repair and strengthening of concrete structures

FIP Guide to good practice (37 pages, ISBN 978-0-7277-1615-6)

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  CEB B243: Strategies for Testing and Assessment of Concrete Structures affected by...
Posted by: peixoto - 05-07-2010, 01:14 PM - Forum: Concrete - Replies (1)

CEB Bulletin No. 243
Title: Strategies for Testing and Assessment of Concrete Structures affected by Reinforcement Corrosion

Year: 1998
Pages: 184
ISBN: 978-2-88394-040-6


Abstract: Prepared by a Working Party of the Task Group 5.4 'Assessment, Maintenance and Repair' of CEB Commission 5 'Operation and Use', the report aims to present the currently available strategies for testing and assessment of concrete structures with particular reference to reinforcement corrosion. It deals with preparation activities, routine and in-depth inspections, the assessment procedure coming to proposals for intervention, and gives illustrative examples.

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  CEB162 – Assessment of concrete structures
Posted by: peixoto - 05-07-2010, 01:10 PM - Forum: Concrete - No Replies

CEB162 – Assessment of concrete structures and design procedures for upgrading (Redesign)
Year: 1983
Pages: 278

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  FIB: Design of post-tensioned slabs and foundations
Posted by: lamkin - 05-07-2010, 12:08 PM - Forum: Concrete - Replies (1)

FIB - Design of post-tensioned slabs and foundations

[Image: info.png]
Title: Design of post-tensioned slabs and foundations

Year: 1998
Pages: 44
ISBN: 978-1-874266-41-9

Abstract: In 1980 FIP had published ‘Recommendations for the design of flat slabs in post-tensioned concrete’ (out of print already for many years). Prepared by a Working Group of FIP Commission 3 ‘Practical Design’, these new recommendations now represent an update of the previously published. Considering new codes and especially the CEB-FIP Model Code 1990, they address post-tensioned flat slabs and foundation rafts using either bonded or unbonded cables.
The document gives information on this subject as a whole but particular attention is given to the structural analysis and prestressing effects, to the ultimate limit state of punching shear and to the serviceability limit state of verification for deflection and crack control. Detailing and construction recommendations are also presented. Two examples, one of a flat slab and one of a foundation raft, illustrate the design of these structures and the application of the present recommendations.

Approved by the former FIP Commission 3 ‘Practical Design’ and the FIP Council, it is hoped that these recommendations will facilitate the correct design of post-tensioned slabs and foundations.


credit to: piratadoslivros



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  FIB: Practical design of structural concrete
Posted by: lamkin - 05-07-2010, 12:02 PM - Forum: Concrete - Replies (6)

FIB - Practical Design Of Structural Concrete

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Title Practical design of structural concrete
FIP recommendations
Edition illustrated
Publisher SETO, 1999
ISBN 1874266484, 9781874266488
Length 113 pages
Subjects Concrete

credit to: piratadoslivros



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