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Автор: Williams
Дата: 10 июня 2014
Просмотров: 3 397 |
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Roy Chudley, Roger Greeno - Building Construction Handbook
10-th edition
Routledge, 2014
pdf, 984 pages, english
ISBN: 0415836387, 9780415836388

The Building Construction Handbook is THE authoritative reference for all construction students and professionals. Its detailed drawings clearly illustrate the construction of building elements, and have been an invaluable guide for builders since 1988. The principles and processes of construction are explained with the concepts of design included where appropriate. Extensive coverage of building construction practice, techniques, and regulations representing both traditional procedures and modern developments are included to provide the most comprehensive and easy to understand guide to building construction.
This new edition has been updated to reflect recent changes to the building regulations, as well as new material on the latest technologies used in domestic construction.
Building Construction Handbook is the essential, easy-to-use resource for undergraduate and vocational students on a wide range of courses including NVQ and BTEC National, through to Higher National Certificate and Diploma, to Foundation and three-year Degree level. It is also a useful practical reference for building designers, contractors and others engaged in the construction industry. |
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Автор: Williams
Дата: 6 июня 2014
Просмотров: 1 607 |
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GeoStru EasyRefract v2014.11.1.48
 EasyRefract is the new software from GeoStru dedicated to the interpretation of seismic refraction surveys using the reciprocal method and the generalized reciprocal method (G.R.M.). The definition of the array geometry is extremely flexible and does not impose constraints on the number of shots to be used in the analysis. The software is able to guide the user through the analysis phases offering the full control of the operative process. The program has implemented an efficient locating system that allows editing the aerial photo of the research area. Field data is extracted directly from the files generated by loggers (in formats like SEG2, SEGY, SU, etc.) and plotted to give the user the identification of the first arrivals, that can also be entered manually or by copy/paste. As a function of the identification of the first arrivals, the software is able to operate the regression analysis and identify the time travel curve. Through this analysis phase arrival times are assigned to the correct refractors. After building the time travel curve and having identified the propagation velocity of the seismic signal in the different layers of the soil, the Generalized Reciprocal Method is applied. This method is based on the research, in the time-distance diagram, of an optimal distance between geophones XY, in such way that the seismic rays coming from opposing shot points, positioned in a symmetrical manner at the ends of the array, arrive from the same point of the refractor on the geophones placed in X and Y. In addition to performing an automatic search of the optimal XY, EasyRefract provides, for the eligible values XY, the diagram of velocity function with the standard deviation for each associated regression and the diagram of the time-depth function with the roughness value. |
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Автор: Williams
Дата: 5 июня 2014
Просмотров: 1 632 |
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4MCAD v14.2 Professional
 4M provides the engineering community with advanced CAD Verticals since 1986. 4M Solutions meet the needs of the entire range of the Building Design Industry, including Professional CAD, Architectural Design, Structural Analysis & Design, Building Services Design (HVAC, Electrical and Plumbing) and many other software applications.
4MCAD is the AutoCAD alternative that provides open DWG file compatibility, similar environment, as well as full support for AutoCAD commands, menus, scripts, styles, patterns etc. 4M, being among the first members that constitute the IntelliCAD Technology Consortium - ITC, provides the top quality version of IntelliCAD worldwide. 4MCAD speeds and performances are totally unbeatable, explaining the reason why our product has been welcomed by many thousands of engineers and designers in over 30 countries.
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