An Empirical Correlation of Uniaxial Compressive Strength with P-wave Velocity and Point Load Strength Index on Marly Rocks Using Statistical Method
Geotechnical and Geological Engineering
February 2014, Volume 32, Issue 1, pp 205-214
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When dealing with rock in civil engineering, mining engineering and other engineering, the process by which the rock fails under load should be understood, so that safe structures can be built on and in the rock. However, there are many ways for loading rock and rock can have a variety of idiosyncracies. This reference book provides engineers and researchers with the essential knowledge for a clear understanding of the process of rock failure under different conditions. It contains an introductory chapter explaining the role of rock failure in engineering projects plus a summary of the theories governing rock failure and an explanation of the computer simulation method. It subsquently deals in detail with explaining, simulating and illustrating rock failure in laboratory and field. The concluding chapter discusses coupled modelling and the anticipated future directions for this type of computer simulation. An appendix describing the RFPA numerical model (Rock Failure Process Analysis program) is also included.
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The monography offers a detailed analysis of the methods for constructing mathematical models of transient non-isothermal flows of gas mixtures, multicomponent fluids, and gas–liquid fluids through systems of long branched pipelines including annular sections. To enhance the presentation clarity, the proposed methods are extended to the modeling of flows of heat-conducting multicomponent
liquids through long branched open channels.
Together with the model construction methods, the strategies of their numerical analysis are discussed in detail, with the use of various classes of finite-difference schemes, including completely conservative spline schemes of high approximation order. Special emphasis is placed on expounding the method of Lagrangian particles as applied to the analysis of heat-conducting multicomponent liquids transmitted through open channels and to the study of complex flows in linear and annular pipeline networks.
The methods for constructing mathematical models for functioning of trunklines and gas distribution systems operated in gas industry are also discussed in detail. They involve the strategies for prognostic optimization of costs covering the full range of natural gas transmission modes, failurepreventing algorithms (e. g., in case of pipeline ruptures or surge in compressor house networks), and new methods for identifying sources of unrecovery and automated tuning of model parameters to the characteristics of actual pipeline networks. All the described methods for constructing mathematical models and their analysis have been developed within a unique modeling framework, which considerably simplifies their study and practical application. During the last decade, the reliability and efficiency of these methods have been confirmed
in practice, in solving industrial problems.
The monography can be useful to researchers, postgraduate students, and educators dealing with mathematical modeling, software application development, and working on computational and analytic problems for the needs of pipeline transmission, engineering industries, power industry, and environmental organizations. The presentation is accessible to undergraduate students of engineering.
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The book summarizes the well established as well as the newest constitutive formulations that describe the variety of possible loadings beginning with quasi-static to impact. The rate dependence is crucial in the description. The implementation of discussed phenomenological physical laws into the environment of numerical codes is in focus of presentation. Numerical examples prove the importance of using the new constitutive properties in design.
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This book comprehensively treats the formulation and finite element approximation of contact and impact problems in nonlinear mechanics. Intended for students, researchers and practitioners interested in numerical solid and structural analysis, as well as for engineers and scientists dealing with technologies in which tribological response must be characterized, the book includes an introductory but detailed overview of nonlinear finite element formulations before dealing with contact and impact specifically. Topics encompassed include the continuum mechanics, mathematical structure, variational framework, and finite element implementations associated with contact/impact interaction. Additionally, important and currently emerging research topics in computational contact mechanics are introduced, encompassing such topics as tribological complexity, conservative treatment of inelastic impact interaction, and novel spatial discretization strategies.
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Durability of Building Materials and Components provides a collection of recent research works to contribute to the systematization and dissemination of knowledge related to the long-term performance and durability of construction and, simultaneously, to show the most recent advances in this domain. It includes a set of new developments in the field of durability, service life prediction methodologies, the durability approach for historical and old buildings, asset and maintenance management and on the durability of materials, systems and components. The book is divided in several chapters that intend to be a resume of the current state of knowledge for benefit of professional colleagues.
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This volume contains the contributions to the 17th Symposium of STAB (German Aerospace Aerodynamics Association). STAB includes German scientists and engineers from universities, research establishments and industry doing research and project work in numerical and experimental fluid mechanics and aerodynamics, mainly for aerospace but also for other applications. Many of the contributions collected in this book present results from national and European Community sponsored projects. This volume gives a broad overview of the ongoing work in this field in Germany and spans a wide range of topics: airplane aerodynamics, multidisciplinary optimization and new configurations, hypersonic flows and aerothermodynamics, flow control (drag reduction and laminar flow control), rotorcraft aerodynamics, aeroelasticity and structural dynamics, numerical simulation, experimental simulation and test techniques, aeroacoustics as well as the new fields of biomedical flows, convective flows, aerodynamics and acoustics of high-speed trains.
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New Results in Numerical and Experimental Fluid Mechanics VII: Contributions to the 16th STAB/DGLR Symposium Berlin, Germany 2008
Author: Andreas Dillmann, Gerd Heller, Wolfgang Schröder, Michael Klaas, Wolfgang Nitsche, Hans-Peter Kreplin | Size: 43 MB | Format:PDF | Quality:Unspecified | Publisher: Springer | Year: 2010 | Pages: 610 | ISBN: 9783642142420, 9783642142437
This volume contains the contributions to the 16. Symposium of the STAB (German Aero-space Aerodynamics Association). In this association all those German scientists and engi-neers from universities, research establishments and industry are involved, who are doing research and project work in numerical and experimental fluid mechanics and aerodynamics, mainly for aerospace but for other applications, too. Many of the contributions are presenting results from national and European Community sponsored projects. The volume gives a broad overview over the ongoing work in this field in Germany, with the topics being high-aspect ratio wings, low aspect-ratio wings, bluff bodies, laminar flow control and transition, active flow control, hypersonic flows, aeroelasticity, aeroacoustics, mathematical fundamentals/ numerical simulation, physical fundamentals, and facilities.
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Soils and Foundations for Architects and Engineers, Second Edition is a practical guide to the technology of soil mechanics and foundations, and the application of that technology to the design and construction process. This text provides an up-to-date overview of the classification of soils, the design of foundations, and the behavior of soils under load. Particular emphasis has been given to the subject of piles, piers, and caissons, and to the design and details of construction of basement and retaining walls.
New to this edition:
Expanded coverage of shear strength of soils, settlement analysis, and expansive soil.
Design requirements for prestressed tiebacks, tiedowns, and rock anchors.
Expansion of information on pile driving techniques including the use of the Engineering News Formula.
A table of British-metric conversions.
Many new solved problems and illustrations.
In addition to the numerous new improvements, the author also includes: effects of high water tables on architectural and engineering considerations, design of shear keys used in the transfer of lateral earth pressure from a wall to the supporting element, various drainage alternatives to the structural treatment of adjacent footings, and much more.
Soils and Foundations for Architects and Engineers, Second Edition can be used in advanced undergraduate and graduate level courses offered in architectural engineering and civil engineering, as well as be used as a reference book by practicing architects, insurance adjusters and attorneys who litigate or adjudicate claims involving soils and foundations.
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SCI P288 Fire Safe Design - Multi-Storey Steel-Framed
Size: 2.86 MB | Format:PDF | Quality:Original preprint | Publisher: The Steel Construction Institute | Year: 2000 | pages: 107 | ISBN: 1 85942 120 2
This publication is the first to offer guidance on the design of composite steel-framed buildings in fire based on lessons learned from the full-scale fire tests carried out at the Building Research Establishment, Cardington, during 1995 and 1996. The guide contains simple design rules (‘Level 1’) that are based largely on the observed behaviour and which will allow some economies to be made in the fire protection requirements of some composite steel-framed buildings. It is hoped that in due course, much more comprehensive guidance (‘Level 2’), based on a more detailed analysis, in cluding extensive numerical modelling, will be developed. Level 2 guidance will allow further economies to be made.
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