To follow up on thread256-392364: Chemical soil stabilization legitimate?, we have been over a year since the chemical injection and coming up on 6 months since the first tanks were put in service. We have not had any differential settlement issues across the site. We did have residual water / chemical treatment to contend with when we started tank ringwall construction and had to work those areas some to get moisture content right for compaction but overall I'm pleased. It was much less costly than over excavating the entire site or piles. Time will tell.
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