Three-dimensional characterization of desiccation cracking behavior of compacted clayey soil using X-ray computed tomography

2019 ◽  
Vol 255 ◽  
pp. 1-10 ◽  
Author(s):  
Chao-Sheng Tang ◽  
Cheng Zhu ◽  
Ting Leng ◽  
Bin Shi ◽  
Qing Cheng ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Clayey Soil ◽  
Three Dimensional ◽  
Cracking Behavior ◽  
X Ray ◽  
Desiccation Cracking ◽  
X Ray Computed

Three dimensional characterization of laser ablation craters using high resolution X-ray computed tomography

2018 ◽  
Vol 139 ◽  
pp. 75-82 ◽  
Author(s):  
A.H. Galmed ◽  
A. du Plessis ◽  
S.G. le Roux ◽  
E. Hartnick ◽  
H. Von Bergmann ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Laser Ablation ◽  
High Resolution ◽  
Three Dimensional ◽  
X Ray ◽  
X Ray Computed

scholarly journals Petrophysical characterization of coquinas from Morro do Chaves Formation (Sergipe-Alagoas Basin) by x-ray computed tomography

2018 ◽  
Vol 18 (3) ◽  
pp. 3-13
Author(s):  
Aline Maria Poças Belila ◽  
Michelle Chaves Kuroda ◽  
João Paulo Da Ponte Souza ◽  
Alexandre Campane Vidal ◽  
Osvair Vidal Trevisan
Keyword(s):  
Computed Tomography ◽  
Pore Space ◽  
Three Dimensional ◽  
Petroleum Reservoirs ◽  
Self Organizing Maps ◽  
X Ray ◽  
The Neural Network ◽  
Rock Structure ◽  
X Ray Computed

Carbonate rocks constitute a large number of petroleum reservoirs worldwide. Notwithstanding, the characterization of these rocks is still a challenge due to their high complexity and pore space variability, indicating the importance of further studies to reduce uncertainty in reservoir interpretation and characterization. This work was performed for coquina samples from Morro do Chaves Formation (Sergipe-Alagoas Basin), analogous to important Brazilian reservoirs. Computed tomography (CT) was used for three-dimensional characterization of rock structure. The neural network named Self-Organizing Maps (SOM) was used for CT images segmentation. According to our tests, CT demonstrated to be a consistent tool for quantitative and qualitative analysis of heterogeneous pore space, by the evaluation of porosity, connectivity and the representative elementary volume.

scholarly journals Three-dimensional imaging of inhomogeneous lithologies using X-ray computed tomography: characterization of drill core from the Borrowdale Volcanic Group

2012 ◽  
Vol 76 (8) ◽  
pp. 2931-2938 ◽  
Author(s):  
D. L. Engelberg ◽  
R. A. D. Pattrick ◽  
C. Wilson ◽  
R. McCrae ◽  
P. J. Withers
Keyword(s):  
Computed Tomography ◽  
3D Visualization ◽  
Three Dimensional ◽  
X Ray ◽  
Volcanic Group ◽  
Tomography System ◽  
Thin Sectioning ◽  
Calcite Veins ◽  
X Ray Computed

AbstractX-ray computed tomography augmented by elemental microanalysis has been used to characterize two drill cores from the Borrowdale Volcanic Group, west Cumbria, UK. Information about the three-dimensional (3D) distribution of mineral phases was obtained non-destructively, and regions of interest were extracted for thin sectioning and elemental analysis. This revealed the presence of pyrite and other iron- and iron-titanium-bearing minerals. X-ray computed tomography is a very useful tool for 3D visualization, but the limitations of the tomography system used made it difficult to distinguish between regions with similar compositions, such as the different layers within the calcite veins. Methods by which these limitations might be overcome are briefly discussed.

Three-dimensional characterization of powder particles using X-ray computed tomography

2021 ◽  
Vol 40 ◽  
pp. 101913
Author(s):  
Xin Zhou ◽  
Ning Dai ◽  
Xiaosheng Cheng ◽  
Adam Thompson ◽  
Richard Leach
Keyword(s):  
Computed Tomography ◽  
Three Dimensional ◽  
X Ray ◽  
Powder Particles ◽  
X Ray Computed

scholarly journals Three‐dimensional X‐ray‐computed tomography of 3300‐ to 6000‐year‐old Citrullus seeds from Libya and Egypt compared to extant seeds throws doubts on species assignments

2021 ◽  
Author(s):  
Katherine A. Wolcott ◽  
Guillaume Chomicki ◽  
Yannick M. Staedler ◽  
Krystyna Wasylikowa ◽  
Mark Nesbitt ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Three Dimensional ◽  
X Ray ◽  
X Ray Computed

Use of X-ray computed tomography for studying the desiccation cracking and self-healing of fine soil during drying–wetting paths

2021 ◽  
pp. 106255
Author(s):  
Mohammed Zaidi ◽  
Nasre-Dine Ahfir ◽  
Abdellah Alem ◽  
Said Taibi ◽  
Bouabid El Mansouri ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Self Healing ◽  
X Ray ◽  
Fine Soil ◽  
Desiccation Cracking ◽  
X Ray Computed
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