A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Liner surveys, retaining walls, current events
On 12 March 2004,17 invited people from attended the first joint TRI/Environmental-I-CORP International course on geoelectric liner integrity surveys (LIS). The gathering was held in Austin, Texas. A half-day of test session was surveying in three specially constructed cells with exposed, water-covered and soil-covered liners. The exposed liner, used for water lance surveying, was built over four different sub grades: geonet, conductive geotextile, conductive geomembrane (conductive side up, and with a seam), and GCL with a joint. The differences between each, and the effects of welds and joints, were quite apparent to those performing the surveys. The session described the history, theory, practice, boundary conditions, and limitations of electrical survey techniques, and concluded with an outline of new technologies for locating leaks in bottom liners and landfill caps. In this article, contributions are included concerning stabilizing wetland slopes during highway construction using geocells, principles of design of high segmental retaining walls, and manufacturing of geosynthetics in China by American firms.
Liner surveys, retaining walls, current events
On 12 March 2004,17 invited people from attended the first joint TRI/Environmental-I-CORP International course on geoelectric liner integrity surveys (LIS). The gathering was held in Austin, Texas. A half-day of test session was surveying in three specially constructed cells with exposed, water-covered and soil-covered liners. The exposed liner, used for water lance surveying, was built over four different sub grades: geonet, conductive geotextile, conductive geomembrane (conductive side up, and with a seam), and GCL with a joint. The differences between each, and the effects of welds and joints, were quite apparent to those performing the surveys. The session described the history, theory, practice, boundary conditions, and limitations of electrical survey techniques, and concluded with an outline of new technologies for locating leaks in bottom liners and landfill caps. In this article, contributions are included concerning stabilizing wetland slopes during highway construction using geocells, principles of design of high segmental retaining walls, and manufacturing of geosynthetics in China by American firms.
Liner surveys, retaining walls, current events
Begutachtung von Auskleidungen, Rückhaltewälle, neuere Fallbeispiele
Peggs, Ian D. (author) / Allen, Sam R. (author) / Taylor, Betsy (author) / Kelsey, Christopher (author)
2004
5 Seiten, 5 Bilder
Article (Journal)
English
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