Abstract
Tomography is the reconstruction of images from measurements of line integrals. It is used in a variety of scientific and technical applications. Advances in electronics and computers make the technique accessible to geotechnical engineering. The combination of penetration testing and tomographic reconstruction would result in a powerful site investigation tool.
A tomographic software was developed in this research. This paper discusses the fundamentals of the procedure and presents the results of a simulation study using the algebraic reconstruction technique (ART). The parametric study involves field set-up conditions, number of instruments per side, and the size of the grid used in the reconstruction.
Issue Section:
Technical Notes
References
1.
Campanella
, R. G.
, Robertson
, P. K.
, and Gillespie
, D.
, “Seismic Cone Penetration Test
,” Use of In Situ Tests in Geotechnical Engineering
, ASCE
, New York
, 1986
, pp. 116
-130
.2.
Robertson
, P. K.
, Campanella
, R. G.
, Gillespie
, D.
, and Rice
, A.
, “Seismic SPT to Measure In-Situ Shear Wave Velocity
,” ASCE Journal of Geotechnical Division
, Vol. 112
, No. 8
, 1986
, pp. 791
-803
.3.
Baldi
, G.
, Bruzzi
, D.
, Superbo
, S.
, Battaglio
, M.
, and Jamiolkowski
, M.
, “Seismic Cone in Po River Sand
,” Penetration Testing—ISOPT 1
, Balkema
, Ed. De Ruiter
, 1988
, Florida
, pp. 643
-649
.4.
Lytle
, R. J.
, “Geophysical Characterization Using Advanced Data Processing
,” Proceedings, ASCE Conference on Site Characterization and Exploration
, ASCE
, New York
, 1978
, pp. 291
-301
.5.
Ivansson
, S.
, “Seismic Borehole Tomography—Theory and Computational Methods
,” Proceedings of the IEEE
, IEEE
, New York
, Vol. 74
, No. 2
, 1986
, pp. 328
-338
.6.
Ivansson
, S.
, “A Study of Methods for Tomographic Velocity Estimation in the Presence of Low Velocity Zones
,” Geophysics
0016-8033 https://doi.org/10.1190/1.1441975, Vol. 50
, No. 6
, 1985
, pp. 969
-988
.7.
Mutter
, J. C.
, “Seismic Images of Plate Boundaries
,” Scientific American
0036-8733, Vol. 251
, 02
1984
, pp. 66
-68
.8.
Herman
, G. T.
, Image Reconstruction from Projections; The Fundamentals of Computerized Tomography
, Academic Press
, San Francisco
, 1980
.9.
Witten
, A. J.
and Long
, E.
, “Shallow Applications of Geophysical Diffraction Tomography
,” IEEE Transactions on Geoscience and Remote Sensing
, Vol. GE-24
, No. 5, IEEE
, New York
, 1986
, pp. 654
-662
.10.
Lytle
, R. F.
and Dines
, K. A.
, “Iterative Ray Tracing Between Boreholes for Underground Image Reconstruction
,” IEEE Transactions on Geoscience and Remote Sensing
, Vol. GE-18
, No. 3, IEEE
, New York
, pp. 234
-240
.11.
Dines
, K. A.
and Lytle
, R. F.
, “Computerized Geophysical Tomography
,” Proceedings of the IEEE
, Vol. 67
, No. 7
, IEEE
, New York
, 1979
, pp. 1065
-1073
.
This content is only available via PDF.
All rights reserved. This material may not be reproduced or copied, in whole or in part, in any printed, mechanical, electronic, film, or other distribution and storage media, without the written consent of ASTM International.
You do not currently have access to this content.
