'Official' report is from a geotechnical company that was done when the original improvements to this site were done. Site was improved and a LOT of clay and stabilized sand has been added and compacted to the site over the years, creating the top layer(s).
Finally found the official geotechnical report done on the site in 1996. I was off a little on the soil types. The first 2 feet is finish gravel and soils. From 2' to 8' is "very stiff sandy clay (CL)." Below that is "dense silty sand." Bearing pressures with F.S.=2 is...
This site is on the Texas coast, and the site has been improved over the years. The original soil is a silty clay that starts at around 3-4 feet below the surface. The improved soil on top is a compacted clayey sand. I have dug around and found the spec I used for the prior antenna mast, it...
I am moving a 35' light pole and I need to install a new foundation. I have done a couple of antennas up to 80' mast, and it seems there is a specfication and a 'rule of thumb' that goes with selecting the depth. I seem to remember it taking into account wind load, height, depth, and width of...
