By
James P Wacker
USDA Forest Service, Forest Product Laboratory
Madison, Wisconsin, USA
and
Matthew S. Smith
Laminated Concepts, Inc.
Big Flats, New York, USA.
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I have a problem with Maple 13. I am trying to solve a vibration problem with 40x40 and larger matrices. I am using "LinearAlgebra[Determinant]" function for creating the eigenvalues' equation. When the matrix is larger than 30x30 Maple gives an error "object too large". How can I avoid it?
Traffic Signals: Capacity and Timing Analysis by R.Akcelik
Info:
Australian Road Research Board Research Report
0-86910-015-7
Pages: 123
File size: 57,555 kB
This report presents techniques for the analysis of capacity and timing requirements of traffic at signalised intersections.
Download:
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LRFD Design Example for Steel Girder Superstructure Bridge
Development of a Comprehensive Design
Example for a Steel Girder Bridge
with Commentary
Design Process Flowcharts for
Superstructure and Substructure Designs
Prepared by
FHWA / National Highway Institute
Washington, DC
Michael Baker Jr., Inc.
November 2003
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Time Effects in Concrete Structures (Developments in Civil Engineering, Vol 23)
By R. I. Gilbert
Publisher: Elsevier Science Ltd
Number Of Pages: 336
Publication Date: 1988-09
ISBN-10 / ASIN: 0444704736
ISBN-13 / EAN: 9780444704733
Product Description:
The inability of designers of concrete structures to recognize and quantify the non-linear effects of cracking, creep and shrinkage is a common cause of serviceability failure. Such failures include excessive deflection, camber and/or shortening of members and excessive cracking which may cause aesthetic or durability problems. This book provides practising engineers with practical and usable techniques for predicting the non-linear effects of creep and shrinkage on the in-service behaviour of concrete structures. Both cracked and uncracked reinforced, prestressed, and composite members subjected to sustained loads or sustained deformations are considered. Analytical procedures are developed for the calculation of instantaneous and time-dependent stresses and deformations on cross-sections in both simple and continuous members. Numerous self-contained worked examples which clearly illustrate the analytical procedures are included. A wide variety of practical situations is considered. Listings of microcomputer programs for a number of the analyses are also presented.
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Footbridges: Construction, Design, History
By Ursula Baus, Mike Schlaich
Publisher: Birkhäuser Architecture
Number Of Pages: 255
Publication Date: 2007-11-28
ISBN-10 / ASIN: 3764381396
ISBN-13 / EAN: 9783764381394
Product Description:
The influence on the interplay of technical progress, imagination and functional variety in footbridges are different from those affecting large-scale bridges. This fact has resulted in an exhaustible variety of distinctive design, as is beautifully illustrated by the selection of footbridges shown in this book. Essays clearly explain the technical aspects and the aesthetic potential of different structure designs.
Footbridges contains detailed presentations of 90 european bridges, with text, comprehensive and detail plans, and photographs taken especially for the volume. With projects by Arup, Jürg Conzett, Foster and Partners, Happold, Schlaich Bergermann and Partners, Wilkinson Eyre, Jiri Strasky and others. The examples are organized chronologically in thematically focused chapters: lightweight bridges, moving bridges, covered bridges, taut-ribbon suspension bridges, arch bridges, etc.
For those whose curiosity is aroused by the insight given into this type of bridge building, a compilation of 120 more footbridges, listed by location, provide a starting point for further investigation.
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Mod note: Downloaded few times to succeed for pt4, so add link for this part
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Posted by: jacs127 - 04-23-2010, 09:53 AM - Forum: Archive
- No Replies
If anyone has this kindly share...
Recommendations of the Committee for Waterfront Structures: Ports and Waterways EAU 2004
Arbeitsausschuß Ufereinfassungen der HTG e. V. (Editor), Deutsche Gesellschaft für (Editor) Working Committee of the waterfront structures HTG e. V. (Editor), German Society of (editor)
ISBN: 978-3-433-02852-0
Hardcover Hardcover
687 pages 687 pages
April 2005 April 2005
Metallurgy of Welding
Abington Publishing | 1999 | ISBN: 1855734281 | 464 pages | PDF | 15,5 MB
The new edition of this standard textbook follows its predecessors in providing comprehensive coverage of the key materials and processes for undergraduate and graduate students of metallurgy, as well as those attending specialist welding courses. It is also a source of reference for engineers and metallurgists concerned with joining processes. The text has been revised throughout, and a new chapter has been included dealing with metal/ceramic joining and microwelding. is also increased coverage of the development of steelmaking techniques that affect weldability. "Metallurgy of Welding" covers the joining of metals, both to other metals and to non-metals including ceramics and glasses. The joining processes covered include soldering, brazing, solid-phase welding and fusion welding. The fusion welding of steel is covered in depth, and non-ferrous metals, glasses and ceramics are also considered. A chapter is also devoted to the topic of the service behaviour of weldments. This book should be of interest to senior undergraduate and graduate students and practising engineers in materials engineering and manufacturing production engineering.
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Autodesk Subscription 2011 MegaPack Multilanguage
+
Robot Structural Analysis Professional
Autodesk Subscription 2011 MegaPack Multilanguage + Robot Structural Analysis Professional
Year: 2010 | Version: 2011
Developer: Autodesk Inc
Platform: Microsoft ® Windows ® XP & Vista & 7
Language: multilingual
Tabletka: Present
Size: 3.14 Gb
Autodesk Subscription 2011 MegaPack Multilanguage - A unique collection of all available today for add-ons for all versions of Autodesk products in 2011, called Subscription Pack's, available to subscribers only licensed Autodesk Inc.
Autodesk Robot Structural Analysis Professional 2011 - Universal application, which is applied BIM (BIM) and supports even very large design models. It allows you to effectively perform complex calculations of building structures from a regional perspective, including payments in accordance with Russian norms and regulations that has been certified by GOSSANDART RUSSIA.
Year: 2010
Version: 2011
Developer: Autodesk Inc
Platform: Microsoft ® Windows ® XP & Vista & 7
Language: multilingual
Tabletka: Present
Size: 3.14 Gb
Program Autodesk ® MatchMover ™, adopted as an essential tool leading developer of visual effects, allows high-quality conduct tracking trajectory of 3D-camera. With the means at its feature set, designers, visualizers, architects and digital artists are able to extract accurate data 3D-camera and coordinates movement of the results of filming for inserting elements of computer graphics in the scene. MatchMover with features such as automatic tracking coupled with precise manual control needed by professional artists and specialists in visualization projects.
This product is available only to support the type Up & Ready.
Autodesk is providing support Up & Ready just for ancillary products within thirty (30) days after registration. Learn more about Up & Ready, see page
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Support in different forms, including, in particular, over the Internet or by telephone, regardless of user rights to other forms of support in accordance with the subscription, to which the auxiliary product is not available. Autodesk Robot Structural Analysis Professional 2011:
Thanks to the integrated design standards in the calculation of structures Autodesk Robot Structural Analysis Professional takes a few minutes. This solution for the design of building structures has broad capabilities for simple and complicated calculation mesh finite element analysis, work with steel and reinforced concrete structures. It is easy to fit in with other Autodesk's structural design, as well as third-party products.
Features:
Autodesk ® Robot ™ Structural Analysis Professional provides an effective means of calculation and automatic partitioning into finite elements. The program allows structural engineers quickly simulate and calculate the complex load.
Key Features Autodesk Robot Structural Analysis Professional:
- Two-way link with Autodesk Revit Structure;
- Enhanced partitioning into finite elements;
- Opportunities of calculations and analysis;
- Ultra-modern means of calculating the dynamic loads;
- Customizable display the results of calculations;
- Availability of localized versions and support of various units of measurement;
- Adaptation to the state standards and design standards of specific countries;
- Settlements in sootverstvie with Russian norms and regulations that has been certified by GOSSANDART RUSSIA
- Integrated design solutions for the calculation of reinforced concrete and steel structures;
- A single working process calculation of building structures and production of working drawings;
- Open and flexible API-Interface.
Features:
Two-way communication with Autodesk Revit Structure:
Revit ® Extensions module allows unrestricted import and export of model structures between Autodesk ® Robot ™ Structural Analysis Professional and Autodesk ® Revit ® Structure. With bi-directional associativity calculations and design data are updated within the entire information model that promotes production of a coherent documentation.
Enhanced partitioning into finite elements:
Effective methods of forming a network simplify the work of structural engineers with even the most complex models. Automatic partitioning into finite elements and parameterization grid cells can be made separately for each panel, which has a positive effect on the accuracy of calculations.
Extensive calculations and analysis:
Any design requires a careful study of linear and nonlinear loads actual. The program provides a simple and effective analysis of various non-linear loads - for example, pi-delta effect (vertical load for horizontal movements), tension / compression support moments and hinges plasticity. Features also allow to calculate the structural response to dynamic loading: the frequency harmonics, seismic events, etc.
Ultra-modern means of calculating the dynamic loads:
Ultra-modern means of calculating the dynamic loads can be applied to designs of any size. Estimated algorithms Autodesk Robot Structural Analysis Professional designed and optimized for quad and multicore processors. This allows structural engineers to obtain accurate results in minutes.
Customizable display the results of calculations:
Autodesk Robot Structural Analysis Professional is a flexible settlement decision. The results, including visualization and baseline data are displayed in the form:
- Tables, making it easier to filter and organize data;
- Bar charts;
- Sections of the shell structure;
- Illustrated color schemes;
- Schematic image loads on the entire structure when subjected to beams and columns;
- Schematic image loads on the elements and full-shell structures in selected areas.
Text documents can be stored in a file format Microsoft ® Word ® or HTML. Tables
The presence of localized versions and support of various units of measurement:
There are versions of Autodesk Robot Structural Analysis Professional English, French, Romanian, Spanish, niderlandskom, Russian, Polish, Chinese and Japanese languages. You can make calculations for building structures in one language, and their results displayed on another. In one model design can be combined metric and imperial units of measurement.
Adapting to the standards and design standards of specific countries:
Autodesk Robot Structural Analysis Professional contains more than 60 databases of building elements and materials, appropriate design standards and regulations of different countries. Thanks to a predetermined array includes 70 design standards, structural engineers can work with a single model, using different units of measurement. Autodesk Robot Structural Analysis Professional allows vyplnyat calculations sootverstvie with Russian norms and regulations that has been certified by GOSSANDART RUSSIA.
Integrated design solutions for the calculation of reinforced concrete and steel structures:
Autodesk Robot Structural Analysis Professional contains features that correspond to more than 40 standards of design of steel structures and 30 of the rules of design of reinforced concrete structures adopted in different countries.
Unified workflow calculation of building structures and production of working drawings:
After creating the model and the calculation of building structures in Autodesk Robot Structural Analysis Professional, you can easily transfer model and the results in AutoCAD ® Structural Detailing for the production of detailed drawings.
Open and flexible API-Interface:
Using the technology of Microsoft COM (Component Object Model), Autodesk Robot Structural Analysis Professional offers an open and flexible API (application programming interface). With it, you can:
- Establish links between Autodesk Robot Structural Analysis Professional and external programs, such as Microsoft ® Excel, Microsoft ® Word and AutoCAD ®;
- Retrieve the results of calculations performed in Autodesk Robot Structural Analysis Professional;
- To create applications for further processing - such as special codified calculations for steel, concrete, wood and aluminum construction;
- Create parametric design in Autodesk Robot Structural Analysis Professional.
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Biodiversity for Low and Zero Carbon Buildings: A Technical Guide for New Build
Biodiversity for Low and Zero Carbon Buildings: A Technical Guide for New Build
Publisher: RIBA Enterprises | ISBN: 1859463533 | edition 2010 | PDF | 96 pages | 8,8 mb
The built environment has the potential to have a major impact on biodiversity, not least with the increasingly demanding requirements to design more energy efficient and airtight buildings, leaving less space for species to inhabit. Up until the publication of this book, there was no one place where architects, developers, consultant ecologists, and all those involved in low and zero carbonbuildings could find out about how to incorporate provision for biodiversity within their developments. In this groundbreaking book, author Dr Carol Williams has specially commissioned architects to produce some much needed model designs and practical guidance for the industry. The book also pres a useful summary of all the legislation. Authored by Dr Carol Williams of the Bat Conservation Trust and Chair of the UK Green Building Council (UK-GBC) Biodiversity Group, the book is also supported by Natural England and the UK-GBC. This is an essential read for architects, developers, contractors, asset managers, landlords, consultant ecologists, planning officers and building control officers.
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