Article/eBook Full Name: Seismic Margin Assessment of Unanchored Flat-Bottom Liquid Storage-Tank on Flexible Foundation
Author(s): Amitabh Dar
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Rocks and soils can behave as discontinuous materials, both physically and mechanically, and for such discontinuous nature and behavior there remain challenges in numerical modelling methods and techniques. Some of the main discontinuum based numerical methods, for example the distinct element method (DEM) and the discontinuous deformation analysis (DDA), are associated with geomechanics and geoengineering. Discontinuous numerical methods have been widely applied in geoengineering related to civil, mining, hydropower and petroleum engineering. There are many good examples of the use of UDEC/3DEC and DDA in design and forensic of geoengineering projects, in dams, slopes, tunnels, caverns and mines. The discontinuous numerical methods provide good tools to capture the true physical and mechanical behaviours of the geomaterials, and provide the scientific insights enabling for better engineering. Discontinuous numerical methods are indeed very much research and engineering tools of the present, and certainly more in the future.
Advances in Discontinuous Numerical Methods and Applications in Geomechanics and Geoengineering is a collection of 55 technical papers presented at the 10th International Conference on Analysis of Discontinuous Deformation (ICADD-10), held 6-8 December 2011, Honolulu, USA. The papers cover a wide scope of discontinuous numerical methods from algorithms and mechanics, to modelling techniques and applications, including the key block theory, the discontinuous deformation analysis, the numerical manifold method, the distinct element method, coupled discontinuum and continuum methods, multi-scale and multi-physics in modelling, applications and case studies of engineering projects.
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Posted by: vinnunsam - 02-17-2014, 08:20 AM - Forum: Steel
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SCI P083 Design of Composite Steel Trusses
Size: 2.59 MB | Format:PDF | Quality:Unspecified | Publisher: The Steel Construction Institute | Year: 1992 | pages: 70
It is intended that this publication is read as one series of design guides on "Long Span" systems utilizing the principles of integration of structures and services.
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Posted by: vinnunsam - 02-17-2014, 08:06 AM - Forum: Steel
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SCI P070 Steelwork Design Guide to BS-5950-1-2000-Vol 4 Essential Data
Size: 6.86 MB | Format:PDF | Quality:Unspecified | Publisher: The Steel Construction Institute | Year: 1991 | pages: 174
This volume, one of the series of SCI Steelwork Design Guides to BS 5950, presents essential design data, not readily available elsewhere, that is useful to steelwork. designers and fabricators.
A single volume could not possibly contain all the supplementary infonnation that would be required to cover the full range of structural steelwork. design. To assist the reader, a list of the relevant British Standards and other publications have been included where appropriate. These, together with the addresses of product manufacturers provided in this guide will enable users to obtain quicldy all the infonnation they require. An effort has been made to keep detailed description of the background to the data to a minimum.
This guide has been compiled mainly from various publications of The British Standards Institution, British Constructional Steelwork Association, Building Research Establishment, British Steel General Steels, and from technical literature supplied by manufacturers; the
source of some of the material included is not clearly identifiable. Acknowledgements have been included, where possible. in the relevant Sections. Details of advisory bodies are contained in Section 20 of this publication.
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Posted by: vinnunsam - 02-17-2014, 07:36 AM - Forum: Steel
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SCI P056 Fire Resistance Of Composite Floors With Steel Decking
Size: 10.70 MB | Format:PDF | Quality:Unspecified | Publisher: The Steel Construction Institute | Year: 1991 | pages: 35
This publication provides information on the two methods commonly used for verifying the fire
resistance of composite floors. It builds on the earlier work of the Constructional Steel Research and
Development Organisation and incorporates developments that have stemmed from recent research.
It has been prepared by Mr G M Newman of the Steel Construction Institute.
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Posted by: vinnunsam - 02-17-2014, 07:29 AM - Forum: Steel
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SCI P055 Design of composite slabs and beams with steel decking
Size: 8.51 MB | Format:PDF | Quality:Unspecified | Publisher: The Steel Construction Institute | Year: 1989 | pages: 130
This Publication was written by Dr. R.M. Lawson and has been prepared to assist designers in the selection of beam sizes in the scheme Design of composite beams. It is consistent with BS 5950: Part 1, Part 3.1 and Part 4.
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Posted by: vinnunsam - 02-17-2014, 07:16 AM - Forum: Steel
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SCI P002 Steelwork Design Guide to BS 5950 Part-1 1990 VOl.2 Worked Exa
Size: 4.15 MB | Format:PDF | Quality:Unspecified | Publisher: The Steel Construction Institute | Year: 1990 | pages: 171
This volume is intended to provide practising engineers, and students, with a guide to meeting the
requirements of BS 5950: Part 1: 1990 Structural Use 0f Steelwork in Building and contains worked
examples which have been prepared to give a detailed indication of the process of designing members to
this Code. The worked examples deal with all the checks required by the Code and point out those which
will normally be critical in the circumstances in which any of them will govern the design. The
emphasis has been to illustrate the points in the Code rather than attempt to match practical cases
exactly.
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Concise and readable, Drinking Water Security for Engineers, Planners and Managers provides an overview of issues including infrastructure planning, planning to evaluate vulnerabilities and potential threats, capital improvement planning, and maintenance and risk management. This book also covers topics regarding potential contaminants, available water security technologies, analytical methods, and sensor technologies and networks. Other topics include transport and containment of contaminated water, treatment technologies and the treatability of contaminants. Features: threat and vulnerability risk assessments and capital improvement; identification and characterization of potential contaminants and clean up; and application of information assurance techniques to computerized systems.
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This book presents a hybrid approach to the mechanics of thin bodies. Classical theories of rods, plates and shells with constrained shear are based on asymptotic splitting of the equations and boundary conditions of three-dimensional elasticity. The asymptotic solutions become accurate as the thickness decreases, and the three-dimensional fields of stresses and displacements can be determined. The analysis includes practically important effects of electromechanical coupling and material inhomogeneity. The extension to the geometrically nonlinear range uses the direct approach based on the principle of virtual work. Vibrations and buckling of pre-stressed structures are studied with the help of linearized incremental formulations, and direct tensor calculus rounds out the list of analytical techniques used throughout the book.
A novel theory of thin-walled rods of open profile is subsequently developed from the models of rods and shells, and traditionally applied equations are proven to be asymptotically exact. The influence of pre-stresses on the torsional stiffness is shown to be crucial for buckling analysis. Novel finite element schemes for classical rod and shell structures are presented with a comprehensive discussion regarding the theoretical basis, computational aspects and implementation details. Analytical conclusions and closed-form solutions of particular problems are validated against numerical results. The majority of the simulations were performed in the Wolfram Mathematica environment, and the compact source code is provided as a substantial and integral part of the book.
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Concrete for Underground Structures: Guidelines for Design and Construction
Author: Robert J. F. Goodfellow | Size: 2 MB | Format:PDF | Quality:Original preprint | Publisher: Society for Mining Metallurgy & Exploration | Year: 2011 | pages: 178 | ISBN: 9780873353465
Concrete is a vital component of almost every underground construction project. Because it significantly impacts both the durability and cost of a project, owners, designers, and contractors are constantly challenged with designing and placing the concrete to meet their quality standards in the most cost-effective way.
Concrete for Underground Structures: Guidelines for Design and Construction can make that task a lot easier. Instead of searching pages of scattered reference materials when writing specifications, this book is a one-source guide to help you quickly find the answers you need.
The first resource of its kind, this practical nuts-and-bolts handbook provides an industry voice as well as recommendations for areas of concrete application. You'll get valuable insights into current best practices for all aspects of the design and construction of underground structural concrete.
Internationally respected authors examine three key applications: cast-in-place concrete, precast concrete segmental linings, and shotcrete. Each chapter addresses the differences between aboveground and underground use. The various types of concrete admixtures are also discussed, and sample specifications for each are included.
Concrete for Underground Structures is an indispensable resource for industry veterans as well as an educational tool for those who are new to the profession.
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