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RE: Verification test

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I have always thought that the difference in the approach to analyzing tilt-up 
 vs. precast stripping stresses was interesting.  Of course most precasters 
 strip vertically and tilt-up is literally rotated into place.

Matthew Stuart, P.E., S.E., P.Eng., F.ASCE, F.SEI, SECB
Structural Division Manager
Pennoni
3001 Market Street
Philadelphia, PA 19104
Direct: 215-254-7895 | Cell: 908-309-8657
mstuart(--nospam--at)pennoni.com

-----Original Message-----
From: seaint-seaosc(--nospam--at)mail-list.com [mailto:seaint-seaosc(--nospam--at)mail-list.com] On 
Behalf Of Jim Getaz Sent: Thursday, September 03, 2015 9:51 AM
To: seaint-seaosc(--nospam--at)mail-list.com
Subject: RE: [SEAINT-SEAOSC] Verification test

	Thor,
		As a plant-cast precaster, tilt-up is a dirty word, but we think that "bed 
 suction" is about the same as the weight of the panel. So a crane will exert 
 20,000# momentarily to free a 10,000# panel from the casting table. Therefore, 
 the crane operator tries to lift one edge first so he's only exerting 10,000# 
 to lift half of a 10,000# panel. Lots of texture on the form is assumed to 
 increase suction. Is that what you're after? Jim Getaz

-----Original Message-----
From: seaint-seaosc(--nospam--at)mail-list.com [mailto:seaint-seaosc(--nospam--at)mail-list.com] On 
Behalf Of Thor Tandy Sent: Wednesday, September 02, 2015 7:04 PM To: 
seaint-seaosc(--nospam--at)mail-list.com Subject: RE: [SEAINT-SEAOSC] Verification test

OK, here's one.  What's a good (design) value for face loads on a tilt up 
panel at liftoff from the bed/slab?

Thor A. Tandy P.Eng, C.Eng, Struct.Eng, MIStructE, FEC Victoria, BC Canada
Email: vicpeng(--nospam--at)telus.net
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