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Chris
Concrete Pad Transition
Chris

I want to pour a concrete pad between two small outbuildings so i can park my tractor, and have a place to work out of the dirt on my property. The outbuildings have concrete footings and stem walls and are around 18 feet apart. The pad will 4 inches thick and 20 feet long and fit between the stem walls, wire mesh reinforced. My Small Tractor is about 3500 Pounds dry. NOW THE QUESTIONS. 1.Do I need any type of expansion joint at the building walls, if so how thick, what material, and wont concrete shrink a little over the curing time. 2. I want a ramp like transition such as you would have where your drive way reaches the road across a sidewalk. Should the pad be thicker at this edge?, it will transition to gravel.

Jack
Re: Concrete Pad Transition
Jack

I would use an expansion joint between the stem wall and the new slab but I would go 6" with the concrete. A slab that big you may want to drive a car or truck up on it.
Jack

canuk
Re: Concrete Pad Transition
canuk

Thick concrete is always good though 4 inch (32Mpa - 4600 psi) should be ok ... depending on what the ground pack is like ... and it shouldn't need to be thicker at the ramp edge.

As for the expansion joints use some homasote if you have access .... it's been used for years by concrete guys.... or just use 1/2 plywood but you'll have to remove these after.

Hope this helps.:)

Chris
Re: Concrete Pad Transition
Chris

Thanks to both of you, I started digging to depth today. 6" sounds like a better overall pad. I have a neighbor who put a pad in for his horses, 18" thick, he claims for all the weight on each hoof!?!!!
I think a little over kill.
Much thanks.

canuk
Re: Concrete Pad Transition
canuk

Sure that'll be a nice pad ( no pun intended ;) ).

Good luck.:)

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