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Re: Masonry mortar: Low Compression Results

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Did you read it, because I received it from seaint. Usually I can read HTML
or Rich Text format.

Junata

----- Original Message -----
From: "Jason W. Kilgore" <jkilgore(--nospam--at)leok.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Wednesday, October 13, 2004 8:02 PM
Subject: RE: Masonry mortar: Low Compression Results


> Someone made a post in an HTML or Rich Text format that your email reader
> can't understand.  Instead of showing the modified fonts, margins, etc.,
> your reader displayed the normally hidden codes.
>
> ---
> Jason Kilgore
> Leigh & O'Kane, LLC
> Kansas City, Missouri
> ________________________________________
> From: Junata [mailto:multiconst(--nospam--at)sby.centrin.net.id]
> Sent: Tuesday, October 12, 2004 8:16 PM
> To: seaint(--nospam--at)seaint.org
> Subject: Re: Masonry mortar: Low Compression Results
>
> What is this?????
>
> ----- Original Message -----
> From: hadiprawira djohan
> To: seaint(--nospam--at)seaint.org
> Sent: Wednesday, October 13, 2004 5:06 AM
> Subject: Masonry mortar: Low Compression Results
>
> <DIV>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New
Roman"
> size=3>Fellow Engineers,</FONT></P>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT
> face="Times New Roman">&nbsp;<?xml:namespace prefix = o ns =
> "urn:schemas-microsoft-com:office:office" /><o:p></o:p></FONT></FONT></P>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New
Roman"
> size=3>Recently, I received many low compressive results for masonry
mortar
> testing. Most of the low results were found with the brick mortar. I
> specified Type S mortar, which should have 1800 psi strength, yet the
result
> came back as low as 900 psi. </FONT></P>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT
> face="Times New Roman">&nbsp;<o:p></o:p></FONT></FONT></P>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New
Roman"
> size=3>This project is an 8 story CMU structure with a brick façade. There
> is a relieving angle placed at each floor to carry the brick
> load.</FONT></P>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT
> face="Times New Roman">&nbsp;<o:p></o:p></FONT></FONT></P>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT face="Times New
Roman"
> size=3>The following are my questions:</FONT></P>
> <OL style="MARGIN-TOP: 0in" type=1>
> <LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1;
> tab-stops: list .5in"><FONT face="Times New Roman" size=3>Since the brick
is
> supported at every floor, should I settle with Type N mortar (750 psi)?
What
> is the standard mortar type for a one-floor brick wall
> structure?</FONT></LI>
> <LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1;
> tab-stops: list .5in"><FONT face="Times New Roman" size=3>Is there any
> impact of the low strength compression in the long run? Will lower mortar
> strength cause premature repointing?</FONT></LI>
> <LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1;
> tab-stops: list .5in"><FONT face="Times New Roman" size=3>The material
> testing company used a plastic form, which doesn't allow any water
> absorption compared to brick, thus the plastic form resulted in a higher
> water content than the actual condition. Is it possible that the cause of
> the low compression is due to the method of the sampling? </FONT></LI>
> <LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1;
> tab-stops: list .5in"><FONT face="Times New Roman" size=3>Is there any
> insitu testing that can be performed to verify mortar compressive strength
> other than winsor-pro?</FONT></LI>
> <LI class=MsoNormal style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1;
> tab-stops: list .5in"><FONT face="Times New Roman" size=3>Did anyone
> encounter this situation before, and what was your course of action as the
> EOR?</FONT></LI></OL>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT
> face="Times New Roman">&nbsp;</FONT></FONT><SPAN style="FONT-SIZE: 12pt;
> FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New
Roman';
> mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language:
> AR-SA">Any thought counts! Thank you as always.</SPAN></P>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE:
12pt;
> FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New
Roman';
> mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language:
> AR-SA"></SPAN>&nbsp;</P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times
> New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language:
> EN-US; mso-fareast-language: EN-US; mso-bidi-language:
AR-SA"></SPAN></DIV>
> <DIV><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman';
> mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US;
> mso-fareast-language: EN-US; mso-bidi-language: AR-SA">Djohan</SPAN></DIV>
> <DIV><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman';
> mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US;
> mso-fareast-language: EN-US; mso-bidi-language: AR-SA">Brooker
Engineering,
> NY.</SPAN></DIV>
> <P class=MsoNormal style="MARGIN: 0in 0in 0pt"><BR></P>
> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px;
> BORDER-LEFT: #1010ff 2px
>
solid">&nbsp;</BLOCKQUOTE><p>_______________________________________________
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