Checks for ultimate strength of frames with partially restrained connections require that the non-linear connection characteristics and the P-~, effects be appropriately modelled. This complexity is unwarranted for preliminary design but few alternatives exist. In this paper an alternate approach, utilizing a second-order plastic analysis method called the mechanism curve (Horne and Morris, 1982), is described. This approach results in a simple and reliable estimation of the collapse capacity of the frame. It was found that this ultimate capacity seldom controls since limitations of drift at service loads results in strong, stiff structures that provide an adequate safety margin against stability failures,
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Product Description:
The purpose of this manual is to familiarize industry and students with the technology of asphalt in its several forms namely asphalt cement, cutback asphalt, and asphalt emulsions. The laboratory work is designed to develop an understanding of asphalt properties, characteristics, testing procedures, and specifications.
The procedures outlined are all derived from ASTM designations and practice as recommended by the Asphalt Institute. Where the particular ASTM method permits alternate procedures, the one more applicable to the available equipment and the teaching situation was chosen.
The manual consists of the following:
1. 35 of the frequently used ASTM tests in Asphalt Binder and Mix Design.
2. Sample computation sand easy to use data sheets, most of which have been developed specifically for the manual.
3. An up-to-date overview of Asphalt Technology including sources, historical development, and classifications of asphalt products.
4. Easy to understand explanations for Voids Mineral Aggregate, Absorbed Asphalt, Effective Asphalt Content, Percent Air Voids, and Percent of Voids filled with Asphalt.
5. A stand-alone asphalt manual, written specifically for university laboratory instruction, yet applicable for a commercial testing laboratory. Rarely will other reference materials need to be referred to.
6. Dimensions in both the SI and the U.S. Standard systems of measurement.
7. An Appendix with conversion factors, rules of safety and procedures, overview of SHRP SUPERPAVE, explanation of asphalt emulsions, and additional data sheets on single-sided pages.
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if someone have information about box culverts (precast box culverts, design methods, loads distribution, soil-structure interaction, rules and codes, technical specifications, etc.) please share.
Engineering Rock Blasting Operations
By S. Bhandari
* Publisher: Taylor & Francis
* Number Of Pages: 400
* Publication Date: 1997-01-01
Description:
This work provides detailed information about materials needed for carrying out blasting operations such as explosives and related accessories, understanding of the process of fragmentation, various techniques, design methods, and applications including environmental aspects.
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The Complete Idiot's Guide to Green Building and Remodeling
The Complete Idiot's Guide to Green Building and Remodeling
John Barrows, Lisa Iannucci,
Alpha 2009 | ISBN-10: 1592578284 | 336 Pages | PDF | 2,5 MB
It’s easy building green!
This guide helps environmentally conscious people make real-world decisions about building or remodeling a home. Readers will find information on how to save money by going green when building or remodeling, how to find the right green integrated system design, how to choose heating and cooling equipment, and how to save money on water.
·Focuses on the design integration of green materials
·Residential and commercial green building will grow from 2% of the U.S.
construction market in 2005 to as much as 10% in 2010 (NAHB)
·More than 80 regional and local green building programs are in place in the U.S. and more are being promoted in the private sector
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