NCFI is a U.S. polyurethane manufacturing leader in the supply of high performance polyurethane systems since 1964. Their line of TerraThane™ geotechnical polyurethanes are ideally suited for concrete lifting and leveling, soil stabilization, void fill and erosion control. TerraThane™ is used as a standalone solution to repair sunken concrete slabs, filling voids, stabilizing soils, and in combination with other soil modification techniques. Please join me in thanking them for their support of GeoPrac by reading more about their products and services on their websites – http://www.terrathane.com or http://www.ncfi.com ! Find more contact info for NCFI on the Our Sponsors page on GeoPrac.
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Ever get that sinkhole feeling?
It takes planning and good leadership to decide on an effective solution to problems associated with a building asset. Recently, a large wholesale warehouse facility in Cincinnati began to experience large sinkholes across a significant portion of their customer parking lot. Unable to determine the problem at that time, store management was forced to close a portion of the parking lot, inconveniencing their customers. This particular parking lot is unusual in that a drainage system is located directly under the parking lot, consisting of a network of pipes spanning 250 feet in length and 12” in diameter. Joint separations in the underground drainage piping had caused enough soil erosion to create sinkholes in the asphalt. Engineers were concerned that other unknown sinkholes could cave in anytime, resulting in further costly damage, and potentially posing safety hazards to customers.
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