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Re: ASTM A 36 steel[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: ASTM A 36 steel
- From: GSKWY(--nospam--at)aol.com
- Date: Wed, 12 Nov 2003 15:40:31 EST
In a message dated 11/12/2003 3:31:46 PM Eastern Standard Time, eober(--nospam--at)holbertapple.com writes:
For slabs on ground, aren’t the dowels typically placed in heavily loaded slab construction joints with the intent of allowing ‘unrestrained’ shrinkage on either side of the joint, while maintaining vertical shear transfer? I’ve used this with a ‘slip’ detail at one end of the rod. If you don’t use a smooth rod (ie A36) and instead use A615 (deformed) then the ‘slip’ detail would seem to be more difficult to achieve.
ASTM A615 also includes non-deformed (plain) bars (A 615 Specification for Deformed and Plain Billet-Steel Bars for Concrete Reinforcement)
Contractors are finding that when they use early-entry (Soffcut) saws, they actually do better running the reinforcement through contraction joints, rather than using dowel baskets. Non-deformed dowels (of some type of steel, with some type of slip detail) are typically used at construction joints, though.
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