Probing Pipelines (available only in Geoenvironmental Special Issue)by Allen Thomas, Exec. Dir.; Natl. Assoc. of Sewer Service Companies, Maitland, FL,
Greg Lasczynski, Vice Pres. of Operations; Insituform East, Landover, MD,
Serial Information: Civil Engineering—ASCE, 1998, Vol. 68, Issue 2, Pg. 13A-16A
Document Type: Feature article
Inspecting underground pipelines has become easier, more effective and less intrusive through use of sonar, radar, lasers and seismic and acoustic testing. To replace simple visual inspection, these methods allow engineers to see beyond the interior surface of underground clay pipes to detect cracks, holes or thin areas. In conjunction with software, images and cross sections of pipe can be generated which help engineers gauge life expectancy. All the methods have been developed and tested and are beginning to see use in the field.
Subject Headings: Pipelines | Seismic tests | Buried pipes | Inspection | Acoustic techniques | Radar | Lasers
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