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I came across this interesting product for structural/geotechnical monitoring of cracks in 3 dimensions. Most crack monitors are designed for monitoring in 2 dimensions, this one can measure movement out of the plane of monitoring. […]
MOUNT AIRY, NC—A newly purchased 17-building apartment complex in Rolling Meadows, IL, built in the early 1960s, has seen plenty of tenants make their homes there. When new owners went about making renovations they discovered one 18,000 sq. ft. building suffering from voids in the soil beneath the slabs ranging from five inches to almost two feet in diameter caused by the stratified compacting of the historically hydric wetlands sedimentary soil, and water and sewer main breaks over the years. The voids caused some uneven floors and left the door open for future problems like mold.
[Editor] Read on for the remainder of the press release from GeoPrac.net sponsor NCFI Polyurethanes. [/Editor]
I saw this video on the ADOT Facebook Page. The failure seems larger than what I though based on the photos from the ground. [Source: ADOT Facebook Page]
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