I came across this video that introduces DAT Instruments, an Italian Company that builds dataloggers for geotechnical construction such as grouting, jet grouting, soil mixing, diaphragm walls and more.
The new Dallas Cowboy’s stadium in Arlington, Texas has gently curving steel arches to form a retractable roof. Using rack-and-pinion system to pull the panels uphill, the system is different than most previous retractable roof systems according to the Cover Story by Nadine M. Post (no relation!) in the July 14, 2008 edition of ENR. Of course the thing that interested me was the foundations that support the two 1,225-ft long steel arches. More after the break. (Photo copyright ENR and Manhattan Construction)
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The Seattle Tunnel Partners JV announced last month that tunneling on the Alaska Way Viaduct Replacement project will resume a month later than originally planned. The Bertha TBM will resume mining on December 23 after […]
Jet Grouting is a ground improvement technology used to mix the insitu soils with cement to create a soil cement column. The systems can be single, double or triple fluid jet grouting. The common element […]
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Copyright © 2007-2020 by Randy Post
Instrumentation systems for geotechnical and structural monitoring often entail monitoring large numbers of sensors of different types with dataloggers often being installed in remote, inaccessible and hostile locations.