Foundation Vibration Analysis : A Strength-of-materials Approach.

By: Wolf, John PContributor(s): Deeks, Andrew JPublisher: Oxford : Elsevier Science & Technology, 2004Copyright date: ©2004Edition: 1st edDescription: 1 online resource (233 pages)Content type: text Media type: computer Carrier type: online resourceISBN: 9780080477893Subject(s): Foundations - VibrationGenre/Form: Electronic books. Additional physical formats: Print version:: Foundation Vibration Analysis : A Strength-of-materials ApproachDDC classification: 624.15015118 LOC classification: TA775.F6917 2004Online resources: Click to View
Contents:
Front Cover -- Foundation Vibration Analysis: A Strength-of-Materials Approach -- Copyright Page -- Contents -- Foreword -- Preface -- Acknowledgements -- Chapter 1. Introduction -- 1.1 Statement of the problem -- 1.2 Organisation of the text -- Chapter 2. Concepts of the cone model -- 2.1 Rigorous methods -- 2.2 Wave propagation in a truncated semi-infinite homogeneous cone -- 2.3 Wave reflection and refraction at a material discontinuity in a cone -- 2.4 Disk on the surface of a layered half-space -- 2.5 Disk embedded in a layered half-space -- 2.6 Foundation embedded in a layered half-space -- 2.7 Features of the cone model -- Chapter 3. Initial cone with outward wave propagation -- 3.1 Translational cones -- 3.2 Rotational cones -- 3.3 Interpretation of the rocking cone -- 3.4 Incompressible or nearly-incompressible half-space -- 3.5 Foundation on the surface of a homogeneous half-space -- 3.6 Double cones -- Chapter 4. Wave reflection and refraction at a material discontinuity -- 4.1 Reflection coefficient for a translational cone -- 4.2 Reflection coefficient for a rotational cone -- 4.3 Dynamic stiffness of a surface foundation on a layer overlying a half-space -- 4.4 Disk embedded in a homogeneous half-space -- 4.5 Computer implementation -- 4.6 Termination criteria -- Chapter 5. Foundation embedded in a layered half-space -- 5.1 Stack of embedded disks -- 5.2 Dynamic flexibility of the free field -- 5.3 Dynamic stiffness and effective foundation input motion -- 5.4 Computer implementation -- 5.5 Examples -- Chapter 6. Evaluation of accuracy -- 6.1 Foundation on the surface of a layered half-space -- 6.2 Foundation embedded in a layered half-space -- 6.3 Large number of cone segments -- 6.4 Cutoff frequency -- 6.5 Incompressible case -- 6.6 Hemi-ellipsoid embedded in a homogeneous half-space.
6.7 Sphere embedded in a homogeneous full-space -- Chapter 7. Engineering applications -- 7.1 Machine foundation on the surface of a layered half-space -- 7.2 Seismic analysis of a structure embedded in a layered half-space -- 7.3 Offshore wind turbine tower with a suction caisson foundation -- Chapter 8. Concluding remarks -- Appendix A. Frequency-domain response analysis -- A.1 Alternative descriptions of harmonic motion -- A.2 Complex frequency response function -- A.3 Periodic excitation -- A.4 Arbitrary excitation -- Appendix B. Dynamic soil-structure interaction -- B.1 Equations of motion in total displacement -- B.2 Free-field response of site -- Appendix C. Wave propagation in a semi-infinite prismatic bar -- Appendix D. Historical note -- Appendix E. Program CONAN (CONe ANalysis) … user's guide -- E.1 Program overview -- E.2 Problem description -- E.3 Using CONAN -- E.4 Further processing of results -- Appendix F. MATLAB® Procedures for cone analysis -- F.1 MATLAB overview -- F.2 Problem description -- F.3 General functions -- F.4 Heart of the procedure -- F.5 Dynamic stiffness of the free field -- F.6 Dynamic stiffness of the foundation -- F.7 Effective foundation input motion -- F.8 Worked example: seismic response -- Appendix G. Analysis directly in time domain -- G.1 Flexibility analysis for translation -- G.2 Interaction force-displacement relationship in the time domain for translation -- G.3 Seismic analysis of a rigid block on the surface of a layered half-space -- G.4 Rotation analysis -- References -- Dictionary -- Index.
Summary: Structural analysis is usually carried out by a strength-of-materials approach that allows complex 3-D structures to be modelled adequately for design needs in a single dimension. However, this approach is not extensively used in geotechnical engineering, partly because 3-D media (soil, rock) are present, but more importantly because until recently the methods necessary to carry out this form of analysis did not exist. In the last ten years efforts at modelling practical problems in foundation analysis using a strength-of-materials approach have developed the concept of the conical bar or beam as a tool. Such cone models can be used to model a foundation in a dynamic soil-structure interaction analysis with a variation of the properties with depth. This book develops this new approach from scratch in a readable and accessible manner. A systematic evaluation for a wide range of actual sites demonstrates sufficient engineering accuracy. A short computer program written in MATLAB and a user-friendly executable program are provided, while practical examples ensure a clear understanding of the topic. *Simplifies complex 3-D analysis of soil-structure interaction. *Applies strength-of-materials approach to geotechnical engineering. *Illustrated with practical examples. *Executable program and MATLAB program for foundation vibration analysis.
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Front Cover -- Foundation Vibration Analysis: A Strength-of-Materials Approach -- Copyright Page -- Contents -- Foreword -- Preface -- Acknowledgements -- Chapter 1. Introduction -- 1.1 Statement of the problem -- 1.2 Organisation of the text -- Chapter 2. Concepts of the cone model -- 2.1 Rigorous methods -- 2.2 Wave propagation in a truncated semi-infinite homogeneous cone -- 2.3 Wave reflection and refraction at a material discontinuity in a cone -- 2.4 Disk on the surface of a layered half-space -- 2.5 Disk embedded in a layered half-space -- 2.6 Foundation embedded in a layered half-space -- 2.7 Features of the cone model -- Chapter 3. Initial cone with outward wave propagation -- 3.1 Translational cones -- 3.2 Rotational cones -- 3.3 Interpretation of the rocking cone -- 3.4 Incompressible or nearly-incompressible half-space -- 3.5 Foundation on the surface of a homogeneous half-space -- 3.6 Double cones -- Chapter 4. Wave reflection and refraction at a material discontinuity -- 4.1 Reflection coefficient for a translational cone -- 4.2 Reflection coefficient for a rotational cone -- 4.3 Dynamic stiffness of a surface foundation on a layer overlying a half-space -- 4.4 Disk embedded in a homogeneous half-space -- 4.5 Computer implementation -- 4.6 Termination criteria -- Chapter 5. Foundation embedded in a layered half-space -- 5.1 Stack of embedded disks -- 5.2 Dynamic flexibility of the free field -- 5.3 Dynamic stiffness and effective foundation input motion -- 5.4 Computer implementation -- 5.5 Examples -- Chapter 6. Evaluation of accuracy -- 6.1 Foundation on the surface of a layered half-space -- 6.2 Foundation embedded in a layered half-space -- 6.3 Large number of cone segments -- 6.4 Cutoff frequency -- 6.5 Incompressible case -- 6.6 Hemi-ellipsoid embedded in a homogeneous half-space.

6.7 Sphere embedded in a homogeneous full-space -- Chapter 7. Engineering applications -- 7.1 Machine foundation on the surface of a layered half-space -- 7.2 Seismic analysis of a structure embedded in a layered half-space -- 7.3 Offshore wind turbine tower with a suction caisson foundation -- Chapter 8. Concluding remarks -- Appendix A. Frequency-domain response analysis -- A.1 Alternative descriptions of harmonic motion -- A.2 Complex frequency response function -- A.3 Periodic excitation -- A.4 Arbitrary excitation -- Appendix B. Dynamic soil-structure interaction -- B.1 Equations of motion in total displacement -- B.2 Free-field response of site -- Appendix C. Wave propagation in a semi-infinite prismatic bar -- Appendix D. Historical note -- Appendix E. Program CONAN (CONe ANalysis) … user's guide -- E.1 Program overview -- E.2 Problem description -- E.3 Using CONAN -- E.4 Further processing of results -- Appendix F. MATLAB® Procedures for cone analysis -- F.1 MATLAB overview -- F.2 Problem description -- F.3 General functions -- F.4 Heart of the procedure -- F.5 Dynamic stiffness of the free field -- F.6 Dynamic stiffness of the foundation -- F.7 Effective foundation input motion -- F.8 Worked example: seismic response -- Appendix G. Analysis directly in time domain -- G.1 Flexibility analysis for translation -- G.2 Interaction force-displacement relationship in the time domain for translation -- G.3 Seismic analysis of a rigid block on the surface of a layered half-space -- G.4 Rotation analysis -- References -- Dictionary -- Index.

Structural analysis is usually carried out by a strength-of-materials approach that allows complex 3-D structures to be modelled adequately for design needs in a single dimension. However, this approach is not extensively used in geotechnical engineering, partly because 3-D media (soil, rock) are present, but more importantly because until recently the methods necessary to carry out this form of analysis did not exist. In the last ten years efforts at modelling practical problems in foundation analysis using a strength-of-materials approach have developed the concept of the conical bar or beam as a tool. Such cone models can be used to model a foundation in a dynamic soil-structure interaction analysis with a variation of the properties with depth. This book develops this new approach from scratch in a readable and accessible manner. A systematic evaluation for a wide range of actual sites demonstrates sufficient engineering accuracy. A short computer program written in MATLAB and a user-friendly executable program are provided, while practical examples ensure a clear understanding of the topic. *Simplifies complex 3-D analysis of soil-structure interaction. *Applies strength-of-materials approach to geotechnical engineering. *Illustrated with practical examples. *Executable program and MATLAB program for foundation vibration analysis.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2019. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.

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