Geobulletin alpha

Source info:

Author:
Date:	2013-04-22 00:54:19
Blog:	GeoPrac.net
URL:	http://www.geoprac.net/geonews-mainmenu-63/139-geophysics/1369-geophysics-successfully-detects-void-beneath-missouri-taxiway

Summary:

Airport authorities at the Charles B. Wheeler airport in Kansas City, MO were concerned about a leaking CMP joint 22-feet beneath the taxiway. The sand that was coming through the joint was detected on a video inspection of the culvert. They were concerned about possible voids above the leak and commissioned a geophysical survey. Two geophysical methods were used, ground penetrating radar and multi-channel analysis of surface waves (MASW). The void was detected using the methods, and subsequent excavation of the airport taxiway confirmed the presence of the voids with about the same dimensions as what was indicated by the geophysics. The work was performed by the St. Louis office of Geotechnology, Inc. [Source: CE News. Image: CE News]

Content analysis:

Geographic context:

Location	Country	Latitude	Longitude
Kansas City	US	39.103	-94.5831
Missouri	US	38.2589	-92.4366
St. Louis	US	38.6277	-90.1995

Keywords:

airport taxiway, CE News, Charles B. Wheeler, CMP, culvert, dimensions, frontpage, geophysical methods, geophysical survey, geophysics, Geotechnology, ground, Image, Kansas City, leak, MASW, Missouri, MO, multi-channel analysis, possible voids, presence, radar, sand, St. Louis office, subsequent excavation, surface waves, Taxiway Airport authorities, video inspection