Advances in Computed Tomography for Geomaterials: GeoX 2010

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Khalid A. Alshibli, Allen H. Reed
John Wiley & Sons, Dec 27, 2012 - Technology & Engineering - 448 pages
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This title discusses a broad range of issues related to the use of computed tomography in geomaterials and geomechanics. The contributions cover a wide range of topics, including deformation and strain localization in soils, rocks and sediments; fracture and damage assessment in rocks, asphalt and concrete; transport in porous media; oil and gas exploration and production; neutron tomography and other novel experimental and analytical techniques; image-based computational modeling; and software and visualization tools.

As such, this will be valuable reading for anyone interested in the application of computed tomography to geomaterials from both fundamental and applied perspectives.

 

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Contents

Foreword
Introduction
Characterization of the Evolving GrainScale Structure in
Sample
Methodology
i
Two LessUsed Applications of Petrophysical CTScanning
iii
Spallation Neutron Source and proposed VENUS tomography beamline 3 Acknowledgments
viii
Results
xviii
Experimental method
15
Residual CO Saturation Distributions in Rock Samples Measured by Xray CT 1 Introduction
19
Deformation in Fractured Argillaceous Rock under Seepage Flow Using Xray CT and Digital Image Correlation
29
Experiments
38
Conclusions
38
Characterization of Porous Media in Agent Transport Simulation
38
W
38
References
50

Methods
xxxiii
Results
xxxv
Conclusions
xxxvii
Deformation Characteristics of Tire ChipsSand Mixture
xlviii
MicroPetrophysical Experiments Via Tomography and Simulation 1 Introduction
xlviii
Deformation characteristics of tire chips and sand mixture
xlviii
Work flow
vi
Characterization of Soil Erosion due to Infiltration into Capping Layers in Landfill 1 Introduction
xv
Measuring particle shape experiment and mathematical analysis
xvi
Comparison and discussion 4 Conclusion
xviii
Examples of particle shape analysis 4 Future research
xx
Application of Microfocus Xray CT to Investigate the Frost
x
ray Microtomography Scans 1 Introduction
xi
References 3D Aggregate Evaluation Using Laser and Xray Scanning 1 Introduction 2 Laser and xray scanning systems for aggregate evaluations 3 ...
xxvii
Sand Deformation at the Grain Scale uantified Throu
x
Visualization of Strain Localization and Microstructures
1
Materials and characteristics of the xray CT equipment
2
Image processing procedure to segment aggregates
3
Calculation of aggregatetoaggregate contact points
4
Calculation of the orientation of aggregates
5
Calculation of the segregation of aggregates
6
References
13
Determination of 3D Displacement Fields between Xray
18
References
26
3D Microanalysis of Geological Samples with High
47
Develo mentofaBendin TestA aratusfor uasi dynamical Evaluation of a Clayey Soil Using Xray CT Image Analysis 1 Introduction
49
Conclusion
54
Latest Developments in 3D Analysis of Geomaterials
55
Quantitative Description of Grain Contacts in a Locked
180
Material and methods
50
References
7
Evaluation of Porosity in Geomaterials Treated with Biogrout Considering Partial Volume Effect 1 Introduction
11
Methodology
70
Results
72
Evaluation of porosity
73
Results and discussion
75
Conclusion
76
References
77
ImageBased PoreScale Modeling Using the Finite Element Method
78
Results
84
3D Characterization of Particle Interaction Using
1
Instrumentation and experiments
2
Lattice formulation and simulation
3
Examination of specimens with spherical inclusions
4
Summary
5
Conclusions
6
Acknowledgements
7
References
8
sandstone and Shirahama sandstone 3 Outline of the 3DMA method
15
Sealing Behavior of Fracture in Cementitious Material with
18
Microfocus xray CT apparatus and geometric information of intact and stressed Shirahama sandstone 5 Conclusion
24
References
24
Neutron Imaging Methods in Geoscience
26
Introduction
27
Method
30
Experimental
31
Comparing neutron and Xray imaging
32
Applications 5 Neutron imaging worldwide 6 Summary 7 Acknowledgements 8 References
39
Acknowledgements
66
Characterization of Shear and Compaction Bands
76
Results
81
Conclusion 5 References
116
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