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RE: Can special concrete shear walls be precast in ASCE7-05?

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Site cast tilt-up. It is for the mirrored half of a previously built building
that used plant precast walls with special reinforced concrete shear walls. 

-----Original Message-----
From: Gerard Madden, SE [mailto:gmse4603(--nospam--at)gmail.com] 
Sent: Monday, April 28, 2008 10:29 AM
To: seaint(--nospam--at)seaint.org
Subject: Re: Can special concrete shear walls be precast in ASCE7-05?

Scott, is this for a tilt-up?

I know there are also several classifications for CMU walls too, it would be
good if there was some definition of these in the ASCE, but I guess it's
another session of code hopping.

Don't have an answer for ya yet...

-gm


On Mon, Apr 28, 2008 at 9:25 AM, Haan, Scott M POA
<Scott.M.Haan(--nospam--at)usace.army.mil> wrote:


	Can you have special concrete shear walls that are "precast" in a
building
	frame system with ASCE 7-05?  ASCE 7-05 Table 12.14-1 only lists
	"intermediate precast shear walls" and "ordinary precast shear walls"
in the
	building frame systems stuff.
	
	There are "special reinforced concrete shear walls" listed but not
"special
	reinforced precast shear walls".  ACI 318-05 has requirements for
special
	precast walls.  ASCE 7-05 14.2.2.10 has amendments to ACI 318-05
21.8.1 for
	special precast walls.
	
	I am assuming special precast walls are allowed under the "special
reinforced
	concrete shear walls".
	
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--
-gm 

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