OriginLab produces professional data analysis and graphing software for scientists and engineers. Our products are designed to be easy-to-use, yet have the power and versatility to provide for the most demanding user.
OriginPro 8 offers all of the features of Origin plus extended analysis tools for statistics, 3D fitting, image processing and signal processing.
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Screen Measuring 4.0 | 5MB
Screen Calipers
The accurate way to measure on a screen, at any angle in pixels, inches or any unit.
Screen Protractor
Work with engineering plans or designs to measure degrees or radians on your screen.
Screen Compass
Measure circular or polygonal areas on your screen with the digital draftsman's tool.
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Historical stone arch bridges are still a major part of the infrastructure in many countries. Although this type of bridge has proven to be an efficient construction type, it often poses the problem of insufficient numerical models of the load bearing behavior. Therefore the book introduces methods to adapt life loads and introduces different types of numerical models of the load resistance respectively. The book continues with the introduction of specific damages and strengthening techniques. The book particularly focuses on the probabilistic safety assessment of historical arch bridges, for which often only limited material and structural data is available.
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Amer Society of Mechanical | 2002 | ISBN: 0791801772 | 269 pages | PDF | 16,1 MB
This essential new volume provides background information, historical perspective, and expert commentary on the ASME B31.3 Code requirements for process piping design and construction. It provides the most complete coverage of the Code that is available today and is packed with additional information useful to those responsible for the design and mechanical integrity of process piping. The author is a long-serving member of the ASME B31.3, Process Piping Code committee. Dr. Becht explains the principal intentions of the Code, covering the content of each of the Code's chapters. Book inserts cover special topics such as calculation of refractory lined pipe wall temperature, spring design, design for vibration, welding processes, bonding processes and expansion joint pressure thrust..Appendices in th book include useful information for pressure design and flexibility analysis as well as guidelines for computer flexibility analysis and design of piping systems with expansion joints. From the new designer wanting to know how to size a pipe wall thickness or design a spring to the expert piping engineer wanting to understand some nuance or intent of the Code, everyone whose career involves process piping will find this to be a valuable reference.
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Passive and Active Structural Vibration Control in Civil Engineering
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In structural engineering, one of the constant challenges is to find new and better means
of designing new structures or strengthening existing ones so that they, together with
their occupants and contents, can be better protected from the damaging effects of
destructive environmental forces such as wind, wave loads, and earthquakes. As a result,
new and innovative concepts of structural protection have been advanced and are at
various stages of development. Structural protective systems can be divided into three
groups as shown in Table I. The technique of seismic isolation is now widely used in
many parts of the world. A seismic isolation system is typically placed at the foundation
of a structure which, by means of its flexibility and energy absorption capability, partially
absorbs and partially reflects some of the earthquake input energy before it is transmitted
to the structure. The net effect is a reduction of energy dissipation demand on the
structural system, resulting in an increase in its survivability.
This collection of lecture notes represents an attempt to introduce the basic concepts
of these relatively new technologies, to provide a working knowledge of this exciting and
fast expanding field, and to bring up-to-date current research and world-wide
development in seismic isolation, pussive energy dissipation, and active control. The
book is divided into three parts, each addressing one of these topics. In each case, basic
principles are introduced, followed by design and applications, implementation issues,
case studies, and code issues if applicable.
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Nowadays, we starts to find a .djvu format in documents files. It's quite equal PDF format, but lighter and small size file.
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Link to PORTABLE DjVu Viewer:
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A free way to convert .djvu file to .pdf
A short guide on converting djvu file to acrobat format. Since djvu is not widely supported in portable devices such as pdas, such conversion will be essential. Here are the steps by making use of print function of the djvu viewer.
1- Download FreePDF here:
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2- Download and Install windjview (I suppose you have done so):
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3- Open a djvu file with WINDJVIEW
4- Choose "print" and SELECT FreePDF as the PRINTER.
Indeed, this applies to any document that supports the print function.
Composite Materials: Testing, Design, and Acceptance Criteria (ASTM Special Technical Publication)
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ASTM International, "Composite Materials: Testing, Design, and Acceptance Criteria (Astm Special Technical Publication)"
ASTM International; illustrated edition (July 1, 2002) | English | 0803128932 | 279 pages | PDF | 5.71 MB
STP 1416 features 17 peer-reviewed papers covering various aspects of testing, design, and acceptance criteria for composite materials. Topics cover:
* NDT Evaluation
* Material Qualification
* Full-Scale Structural Testing
* Durability
* Test Method Development
* Micromechanics
* Damage Resistance and Tolerance
* Impact
* Bucking
Audience: STP is a valuable research tool for both the civil engineering infrastructure and aerospace communities.
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