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- To: "'seaint'" <seaint(--nospam--at)seaint.org>
- Subject: waterstops in slab
- From: "Joe Grill" <jgrill(--nospam--at)swiaz.com>
- Date: Fri, 9 Jun 2006 13:50:51 -0700
For some of you that regularly do industrial work. I am trying to finish up the drawings for a clarifier tank in a waste water treatment plant. I have an old drawing dating back about 10 years that, for the slab construction joints, they just called out “keyed construction joint with waterstops, typ.”. I have a copy of ACI “Concrete Structures for Containment of Hazardous Materials”. In that publication there is a detail for a joint with shear transfer dowels and waterstops with the waterstop below the dowels. There is no keyed joint in the detail in the ACI document. I kind of lean towards the dowels (say 3/4” @ 24” o.c.), but if that is not typical for this type of construction I can go with the keyed joint.
What do some of you prefer for this situation, or does it matter? I have a 12” slab thickness and about a 15’ deep circular tank. The tank walls are also 12” thick.
Joseph R. Grill, P.E. (Structural)
Shephard - Wesnitzer, Inc.
Civil Engineering and Surveying
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