The Measurement of Soil Properties in-situ – Present Methods – Their Applicability and Potential
Author: J.K. Mitchell Frank Guzikowski Willem C.B. Villet | Size: 33 MB | Format:PDF | Publisher: Lawrence Berkeley National Laboratory (University of California, University of California) | Year: 1978 | pages: 70 | ISBN: Paper LBL-6363
The measurement.of soil properties in-situ offers the advantages of minimal disturbance, retention of the in-situ state of stress, temperature, chemical and biological environments, and cost effectiveness relative to many types of laboratory tests for evaluation of undisturbed soil properties.
This report is concerned with techniques for in-situ measurement of permeability, strength, stressdeformation properties, and volume change properties; property classes which are of interest in most geotechnical ,engineeringproblems. Emphasis is on test concepts, data analysis and interpretation, and advantages and limitations of methods, as opposed to details of apparatus and procedure.
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Charles E. Needham, "Blast Waves"
Springer | 2010 | ISBN: 3642052878 | 320 pages | PDF | 6,1 MB
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The primary purpose of this text is to document many of the lessons that have been learned during the author’s more than forty years in the field of blast and shock. The writing therefore takes on an historical perspective, in some sense, because it follows the author’s experience. The book deals with blast waves propagating in fluids or materials that can be treated as fluids.
It begins by distinguishing between blast waves and the more general category of shock waves. It then examines several ways of generating blast waves, considering the propagation of blast waves in one, two and three dimensions as well as through the real atmosphere. One section treats the propagation of shocks in layered gases in a more detailed manner.
The book also details the interaction of shock waves with structures in particular reflections, progressing from simple to complex geometries, including planar structures, two-dimensional structures such as ramps or wedges, reflections from heights of burst, and three-dimensional structures.
Intended for those with a basic knowledge of algebra and a solid grasp of the concepts of conservation of mass and energy, the text includes an introduction to blast wave terminology and conservation laws as well as a discussion of units and the importance of consistency.
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HJSplit is a popular freeware program to split and recombine files. The program is available on Windows, Linux and a variety of other platforms.
Why should one want to split and recombine files? For instance, think of a file of 50 Mb, and try to send it to a friend, post it in a newsgroup or upload it to a Website or FTP server. It is usually easier to send/receive, upload/download smaller parts than handle the entire file in one go.
HJSplit can also be useful for backups. A file of e.g. 10 gigabytes in size can be split into smaller parts which then can be burned to CD's, DVDs, copied to USB sticks or uploaded to an online backup service.
HJSplit for Windows and Linux support file sizes of over 100 Gigabytes, MD5 checksums, file-compare, "run without install" and both editions are fully portable.
For Windows:
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residential concrete detailing and specification guide
Author: Morten Gjerde | Size: 5.5 MB | Format:PDF | Publisher: Cement & Concrete Association of New Zealand | Year: 2000 | pages: 88 | ISBN: 0-908956-12-6
This document has been prepared as a general guide to the design and construction of the single family house and projects of similar scale in New Zealand. Although this manual does not specifically address fire resistance and sound transmission ratings, the adjacent table demonstrates the values that can be achieved with appropriate detailing. It presents materials and systems that are commonly available in New Zealand. Some, such as timber joinery and concrete itself, have been in use for several generations. Others have recently
come into the local market and industry experience with some of these may be limited. On the other hand, building products not available in New Zealand have not been incorporated. To do so would inaccurately present the range of materials available here. The construction, specification and detailing issues are presented in the New Zealand context.We have specific and often unique ways of doing things. The New Zealand environmental conditions are also unique. This book is principally concerned with design and construction
issues.While it does touch upon topics such as thermal performance and structural engineering, it is not meant to serve as a guide in these areas. Structural design is still best left to the professionals except in those areas where non-specific design standards are available. Concrete masonry is one such format with NZS 4229 having been revised in 1999.
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This British Standard specifies methods of sampling preparation, physical testing and chemical analysis of mortars for bricklaying, plastering and rendering. The methods described are for the determination of parameters that have traditionally been used in the UK but which are neither defined, nor superseded, by BS EN 998-1, BS EN 998-2 or BS EN 1015 (all parts).
Methods of interpretation of chemical analysis results are also described.
The methods of test given in this standard are not intended to be applied to mortars containing high alumina cement or mortars whose principle binder is hydraulic lime.
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Excel sheet developed using moment and shear co-efficient given BS code 8110, design of Flexure and shear as per ACI 318
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Pipe Rack structure, Plate forms & Nitrogen Shelter G.A drawings in PDF format for interesting users. This project is SAWAN GAS FIELD PAKISTAN and all detailing services provide by me.
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