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RE: Masonry, equivalent solid thickness

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You're Welcome.


Charles F. Espenlaub, III, P.E.
Martin-Espenlaub Engineering



-----Original Message-----
From: sharonb(--nospam--at)slarchitects.com [mailto:sharonb(--nospam--at)slarchitects.com]
Sent: Sunday, January 14, 2001 6:23 PM
To: seaint(--nospam--at)seaint.org
Subject: RE: Masonry, equivalent solid thickness


Thank you Charles.  The NCMA Tek 141 is exactly what I was looking for.

Sharon Robertson Bonds, PE
Salerno/Livingston Architects
363 Fifth Avenue, Third Floor
San Diego, California  92101
(619) 234-7471

	-----Original Message-----
	From:	Charles Espenlaub [SMTP:Cespenlaub(--nospam--at)martinaia.com]
	Sent:	Sunday, January 14, 2001 12:42 PM
	To:	seaint(--nospam--at)seaint.org
	Subject:	RE: Masonry, equivalent solid thickness

	NCMA Tek 141 gives the An =net cross sectional area, Sx, Sy, Ix
and
Iy
	for various thicknesses and spacings or grouted cells (i.e., 8"
wall
	with cells grouted at 24" o.c.).  E-mail me directly, and I will
fax
you
	the pertinent tables.


	Charles F. Espenlaub, III, P.E.
	Martin-Espenlaub Engineering



	-----Original Message-----
	From: sharonb(--nospam--at)slarchitects.com [mailto:sharonb(--nospam--at)slarchitects.com]
	Sent: Sunday, January 14, 2001 3:10 PM
	To: seaint(--nospam--at)seaint.org
	Subject: Masonry, equivalent solid thickness


	I am looking for commentary and/or charts discussing the
equivalent
	solid
	thickness of masonry.  

	Specifically for example:
	In-plane 8" wall design, Calculating Vm = Cd*Amv*(f'm)1/2
	For a solid grouted wall, t for calculating Amv = 7.625"
	For a wall with grouted cells at 24" o.c., t = ?

	By using a table for the "average weight of completed wall, and
	equivalent
	solid thickness"
	The tabulated value for 8" solid grouted = 75psf, with t =
7.625"
	The tabulated value for 8" grouted at 24" o.c. = 55psf,
therefore
	algebraically t = 5.592"

	Comments?

	Sharon Robertson Bonds, PE
	Salerno/Livingston Architects
	363 Fifth Avenue, Third Floor
	San Diego, California  92101
	(619) 234-7471