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Re: Gas Tight Seal[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Gas Tight Seal
- From: jannett(--nospam--at)gpu.com
- Date: Thu, 22 Oct 1998 02:38:15 -0400
How will the slab edge will be placed against the top of the wall? How are you defining gas tight, e.g., is there a difference in pressure across the seal and how much leakage is acceptable? If the differential pressure is significant and if the allowable leakage is supposed to be small, it will be difficult to do this with only concrete. I've had enough trouble with air tight seals on steel doors & airlocks with rubber gaskets. "Randy Russ" <rruss(--nospam--at)eatel.net> on 10/21/98 10:02:28 PM Please respond to seaint(--nospam--at)seaint.org To: "Structural Chat" <seaint(--nospam--at)seaint.org> cc: (bcc: James H Annett) Subject: Gas Tight Seal I am putting a concrete roof on an existing wastewater digester. I am using a center column for the roof and am simply resting the slab edge on the top of the esisting wall on a bearing pad. I am concerned with gas escaping. Do I need to provide any type of gas tight seal or is the weight of the 18 inch roof slab enough.Has anyone encountered this situation? Randy Russ, P.E.
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