Placing Gravel on Previously Compacted Material
Placing Gravel on Previously Compacted Material
(OP)
Hello all
Is there any standard on placing gravel (not frozen) onto clay that has been scarified and compacted previously (in warm conditions) while the air temperature is around -15C? Most of the responses have to do with placing frozen material down or on top of natural sub grade but I may have missed something so forgive me if that is this case.
I appreciate any help!
Is there any standard on placing gravel (not frozen) onto clay that has been scarified and compacted previously (in warm conditions) while the air temperature is around -15C? Most of the responses have to do with placing frozen material down or on top of natural sub grade but I may have missed something so forgive me if that is this case.
I appreciate any help!





RE: Placing Gravel on Previously Compacted Material
RE: Placing Gravel on Previously Compacted Material
Will this road be paved with asphalt or remain a gravel road?
RE: Placing Gravel on Previously Compacted Material
@civilman72 - This will be a gravel road. As far as the moisture goes, we were thinking of spraying with hot/warm water in order to obtain compaction results before it freezes up. Is this a valid method?
RE: Placing Gravel on Previously Compacted Material
RE: Placing Gravel on Previously Compacted Material
RE: Placing Gravel on Previously Compacted Material
RE: Placing Gravel on Previously Compacted Material
i will throw some devil's advocate stuff out there first
i don't know the contractual arrangements here, but the timing of the work will be a critical element. Contractors are notorious for going too fast except when perishable goods (concrete, asphalt, mortar) are present. you may find your specifications are inadequate because they haven't been tested by years of practice and there may be construction claims that haven't come up much. i can imagine a few.
it is dangerous to discuss "gravel" on the internet as this word means different things regionally.
how confident are you that the materials will come warm.... At -15C, i have to think you are preventing the top 5 feet of cut from being used at the bank, and where does that go.... then i wonder how long that excavation is open before next truck shows up... overnight.... Are trucks sleeping in garages... Once ice is made in the gravel, i doubt it can be converted back to water until spring in that environment.
all that said... if we are just talking about the gravel road surface that needs to be used this winter... i don't see any reason not to just have the soils guy periodically monitor temps coming in and just before compaction like it was asphalt testing. i would try to get the contract to include getting the road visited by a heavy roller and some truckloads of maintenance stone in the summer. i hope you proofrolled the finished clayey subgrade before the cold came and have stayed off it.