SEDIMENTOLOGY AND STRATIGRAPHY
Figure 7. Cross section E-E’ from northwest to southeast across the Brookfield Avenue Landfill.
AIPG Members Announce Recently Published Book
Site Characterization in Karst and Pseudokarst Terrains - Practical Strategies and Technology for and Geologists
AIPG members Richard C. Benson, CPG-03686 and Lynn B. Yuhr, MEM- 1249, recently authored the first book to focus on site characterizations in karst and pseudokarst. The book is a practical guide for performing effective charac- terizations in some of the most difficult and complex geologic conditions.
The purpose of a site characteriza- tion is to understand the 3-dimensional geologic framework. A well-done site characterization is the cornerstone to all geotechnical, groundwater and envi- ronmental projects, for it is the geology along with man-made impacts that controls the stability and hydrology at a site. Once we have adequately characterized the geologic conditions we can carry out remediation, design,
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and construction, model flow, and make risk assessments that are accurate and reliable.
The book consists of three parts:
nature and examples of karst and pseudokarst conditions which can range from voids of a few inches to gigantic caverns of hundreds of feet. Karst conditions can develop due to natural or man-made causes and often are the result of a combination of both.
and the process for obtaining more complete and accurate site character- izations. An introduction to the many “off-the-shelf” methods available for site characterization is provided and this section also includes numer- ous illustrative examples. While no single method can be successful in resolving all geologic conditions, when the appropriate methods are
used as an integrated system the results can significantly increase the chances of detecting problems and provide confidence in the data.
histories.
Although the book title suggests it is applied to karst (sinkholes and caves) or psuedokarst (subsidence over mines or subsidence due to water or oil with- drawal), the concepts apply to all site characterization efforts.
The authors are a father and daugh- ter team with combined professional experience of more than 80 years provid- ing consulting services. For the most part, the book is based on their hands- on experience working in both karst and pseudokarst conditions within the United States, the Bahamas, much of the Caribbean, Guam, Hawaii and the Panama Canal Expansion.
Apr.May.Jun 2016 TPG 53
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