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Hello. I'm working in a project where we are building dikes with A-7-6 soil and I need to know the typical range for calculating "bank to loose", and "loose to compacted". Can I get that information from a soil test and which one?

The perimeter containment is an earthen dike with a 1.5:1 slope and a 3 foot walking path on top. The toe of the dike goes stright into the 1.5:1 slope without a gentle transition. There's no increased runoff since the clay doesn't let the water percolate and the dikes need to get drained after...

It's realy a dressed up sidewalk, the clay being the actual secondary containment. The tank farm's been there for 60 years and the new owners want to save on the maintenance cost by covering all 32 acres with concrete. Go figure. My question is if expansion/isolation joints would only be...

I'm in charge of designing a concrete liner for a fuel tank farm. Base material is clay, the concrete liner is going to be 5 inches with wire mesh plates. I'm thinking of contraction joints every 10 feet and expansion joints at the toe of the dikes and pipe supports. I'm not sure of the spacing...