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I might add that it would lend to consistency having the same lab tech run the whole proctor. Less chance for human error there being less humans involved. I believe that would apply to all proctors from a lab. My lab had a concrete tech and a soils tech, so all the proctors were run by the...

Just an x-soils inspector here. I agree that it's true that compacting soil will lead to an <100% value on a density gauge. However, here in the Pacific Northwest there is the rain most of the year, and that leads to consolidation in addition to the original compacted density. I have tested...

I would say if your deck is big enough to require 18 piers, it is worth the $600. The firm I used to work for that I would perform DCP or a t-probe would have been at least double for that consultation. If you're thinking safety, longevity, and ultimately peace of mind for the entire life of...

Wouldn't it also be a matter of bb's and bowling balls as far as the transmission of the water? Imagine if those bowling ball pore spaces were filled with bb's? A hydrologist's nightmare it seems to me. Interesting to figure out, though. One could probably come up with a nice gradation curve...

I'm not sure flooding compaction would yield a homogenous density. At least I don't see any way to guarantee it. With that in mind, I did do some density tests on bottom ash that was being placed as fill for a ramp in lifts...the local method was to train a fire hose on the drum and give it a...

That is an extremely high density for a modified proctor. Can you tell me what the percentage retained on the 1 1/4" was? If there is any cobble-sized materials involved, I've got some advice about the use of a density gauge. If nothing else you can always take a sample from the installed...

If you are backfilling over soft soils, the engineer may allow overexcavation to a reasonable depth and graduated compaction to your first left. Don't forget about that RFI!

Do you still have vegetation? Creep is easily seen by the presence of a 'drunken forest', where the tree trunks are curved into an upward direction as opposed to trunk and tree being straight up and down. I believe creep is caused by the anisotripic freezing of neighboring soil particles, one...

You might want to make sure those 30 day breaks have come in, too. Best of luck, there, cowboy.

What are the results of your soil report? Were they able to get a CPT?

Could someone talk more about oiled sand? Is that in a certain locality? Is it like hot mix asphalt? I've never even heard of it.

You're OK.

Whatever?

Just agree with David.

It's peat stuff, man.

Doesn't work.

Quarry spaul.

you do not know... What It Is.

Just another reference. Soldier pile = H pile http://howtoengineer.com/cantilever-soldier-pile-wall-design/

Sounds like you're on a budget with this one. Whatever you do, be sure to use CSTC on your upper layer and compact the HE!! out of it. (specify modified proctor and above 95% : 100% is possible!).