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Geophysical Exploration and Data Analysis

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What's New


Instructor:    C. P. Lin Room: EB404
Phone:         31574 Email: cplin@mail.nctu.edu.tw


   Geotechnical engineers devote a significant part of our work and budget to site characterization. Practical economic constraints limit the number of exploratory borings we can drill and the number of laboratory tests we can perform. Furthermore, conventional borehole sampling and in situ testing focus on mechanical properties (strength and deformation characteristics) and have small sampling range. Geophysical testing methods become more and more important because they complement conventional subsurface exploration perfectly with large sampling range and 2D or even 3D physical imaging. They have various applications in conventional and geo-environmental site characterization. There is also a trend in applying geophysical testing to geo-hazard monitoring and ground improvement assessment.  This course is aimed to introduce basics of geophysics and cover common engineering geophysical methods.  

    This course will also teach students procedures for the analysis of signals and characterization of systems in civil engineering. These two topics are at the core of several fast-growing areas in civil engineering today, including: non-destructive testing, system identification, image processing, local or remote monitoring, smart structures, dynamic loading, and feedback control systems in transportation and structural engineering.


Course Content:

1. Review (Week 1~3)

Overview of Engineering Geophysics

2. Analysis of Signals and Characterization of Systems (Week 4, 5, 6, 7)

Signal and Systems
Time Domain Analysis
Frequency Domain Analysis of Signals
Frequency Domain Analysis of Systems
Statistical Methods
Discrete Inverse Theory

3. Wave Propagation and Geophysical Quantities (Week 8,9, 10, 11)

Wave Propagation
Electrical Properties
Seismic Properties

4. Geophysical Methods (Week 12, 13,14, 15, 16)

Seismic Methods
    -Surface Wave Method
    -Refraction Method
    -Reflection Method
Electrical and Electromagnetic Methods
    -Electrical Resistivity Method
    -Ground Penetration Radar
Borehole Geophysical Methods


Homework Assignment           40%
Project                                   20%
Final Exam                             40%



Soils and Waves, J.C. Santamarina, K.A. Klein, and M. A. Fam, Wiley, 2001.


Discrete Signals and Inverse Problems: An Introduction for Engineers and Scientists, J. C. Santamarina and D. Fratta, ASCE Press, 2005.


Application of Geophysical Methods to Highway Related Problems, http://www.cflhd.gov/geotechnical.


Application of Geophysical Methods to Engineering and Environmental Problems, The Society of Exaploration Geophysicists of Japan, 2014.

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Questions or problems regarding this web site should be directed to cplin@mai.nctu.edu.tw
Last modified: 星期三 二月 20, 2013.
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