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Garage Slab on Grade Joints

Garage Slab on Grade Joints

Garage Slab on Grade Joints

(OP)
Does anyone provide slab to slab dowels for slab on grade garage floor slab joints?
I've recently seen a highway slab detail that provided smooth dowels but it seems like that may be related to frost movement and heavy repeated loading.

RE: Garage Slab on Grade Joints

For a parking structure SOG we detailed a 1/2" dowel with one side greased. At construction joints with light loads, you could probably get away with just a keyed joint. But, you definitely want to prevent relative vertical movement between slab edges. A shift in height will create a tripping hazard as well as an increased impact stress when the vehicle rolls over it. Soil under SOGs are not typically homogenous.

RE: Garage Slab on Grade Joints

For large equipment garages i have used load sharing dowels. Fire Stations and military garage.

RE: Garage Slab on Grade Joints

(OP)
What about sawed control joints? Not used?

RE: Garage Slab on Grade Joints

This thread might benefit from more clarity regarding what "garage" means. House? Commercial? Mining vehicle storage?

I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.

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