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Posted by: pezhmankhan - 04-08-2013, 07:26 AM - Forum: Steel
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ASM Handbook, Volume 6: Welding, Brazing, and Soldering
Author: Kelly Ferjutz, Joseph R. Davis | Size: 49.8 MB | Format:PDF | Quality:Unspecified | Publisher: ASM | Year: 1994 | pages: 2873 | ISBN: 0871703823
Volume 6 is the most comprehensive reference book ever produced on the major joining technologies and their applications to engineered materials--90% of its contents are totally new to the ASM Handbook Series. With over 500 illustrations and 400 tables, this book includes practical advice on consumable selection and procedure development, as well as joining fundamentals.
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This paper, the first in a series of two, develops an entropy-based approach for evaluating
rainfall networks. Space and time dependencies between raingages are examined by autocovariance
and cross-covariance matrices. Multivariate distributions, associated with different dependencies, are
obtained using the principle of maximum entropy (POME). Formulas for entropy (uncertainty in data
of one raingage), joint entropy (uncertainty in data of two or more raingages) and transinformation
(common information content among two or more raingages) are derived for each distribution, based
on normal data. The decision whether to keep or eliminate a raingage depends entirely on reduction
or gain of information at that raingage. The lines of equal information (isoinformation contours are
defined by considering two raingages (bivariate case) and many raingages (multivariate case).
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Could you please provide me the following two articles
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Dear ALL, I recently run the disk cleaner under the software "Your Uninstaller" and surprisingly, I had over 5GB of "unnecessary" files. Is it fine for me to delete these files, wont it affect (negatively) the performance of my laptop?
This report presents and compares the behavior of 0.3-scale models of a concentrically braced dual system (CBDS) and an eccentrically braced dual system (EBDS). These two six-story systems were tested on the earthquake simulator at the Univ. of California at Berkeley as part of the U.S.-Japan Cooperative Earthquake Research Program. The models were similitude-scaled replicas of full-scale test structures that were pseudodynamically tested at the Building Research Inst. in Tsukuba, Japan. The performances of the two models are compared for minor, moderate, and severe earthquake shaking. The roles of the ductile moment-resisting space frames in both models are studied, and recommendations are made regarding their minimum stiffness and strength requirements, in CBDSs and EBDSs, respectively. Response modification factors are currently used by the Applied Technology Council (ATC) and the Structural Engineers Assn. of California (SEAOC) to derive design response spectra from an assumed linear elastic design response spectra. The values of the factors used for CBDSs and EBDSs are reviewed in this report. Finally, a rational procedure for the design of steel structures sited in regions of high seismic risk is presented.
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Seventeen full-scale bracing members made of double angles in A36 steel with welded stitches and end gusset plates were tested under large cyclic deformations representative of severe earthquakes. Three types of section configuration, conventional back-to-back, strengthened back-to-back, and boxed section configuration, were investigated. Early fracture due to local buckling is the common mode of failure of conventional back-to-back angles. Strengthening of conventional back-to-back angles by welding two inclined plates does not improve member response due to unsymmetric buckling.
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Concrete in the Service of Mankind Appropriate concrete technology
Author: Ravindra Dhir, Michael McCarthy | Size: 9 MB | Format:PDF | Quality:Unspecified | Publisher: Taylor & Francis | Year: 1996 | pages: 675 | ISBN: 9780419214700
Concrete is ubiquitous and unique, and is found in every developed and developing country. Indeed, there are no alternatives to concrete as a volume construction material for infrastructure. This raises important questions of how concrete should be designed and constructed for cost effective use in the the short and long term, and to encourage further radical development. Equally, it must be environmentally friendly during manufacture, in an aesthetic presentation in structures and in the containment of harmful materials. This book should be of interest to concrete technologists; contractors; civil engineers; consultants; government agencies; research organizations.
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