the underdrains seem to be working the moisture is going down. We all agreed to let the site sit for 3 days so the drains have a chance to work. The engineers seem to think the problem was winter. We did alot of fills in the summer no problems, winter you get frost, snow, and frozen material...
the underdrains are permanent and gravity tie in to storm completed today. the water table is high in this area but we are on a ramp up starting 5 foot below and raising to 8 foot above out side existing grade. this is a real stumper for eveyone a geo engineer is going to be there Monday.
the moisture content has risen over the past couple days. Contractor chose to run a heat system and blankets for a couple of days. the moisture has went from 12.5% to 20% to 33% to 38%. sub surface drains are in prcess now, but i have a feeling this will not work. Right Wronge????
this site has a sand soil that we have been working with since august. we are at a 10 foot fill in 11000 sq foot area parking garage ramp (confinded by concrete no sides and sand below) . the sand has been within optimum moisture, density, and compacion of at least 98%. we are using a smooth...
