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Midland, VA
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Joplin, MO
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CMU Walls
[#2] Posted: 08/03/2006 - 12:32:09 PM |  |  |
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I've never seen that before, I'll check around...
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David Boyer CRI
Owner
Focal Point Inspections Inc.
Sometimes The less you say now... The less you have to repent for later. |
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DeWitt, Mi
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CMU Walls
[#3] Posted: 08/03/2006 - 12:56:18 PM | | |
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You are describing common bond and stacked bond. Completely different applications and installation. While they have different load capabilities, usually it is an aesthetics issue. Stacked bond is more difficult to inspect and to properly construct. Sometimes what you are seeing is a tip-up wall that just looks like a cmu wall.
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Les
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Midland, VA
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CMU Walls
[#4] Posted: 08/03/2006 - 1:18:16 PM | | |
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Thanks. What is a "tip-up" wall? Here's an example of what my house, here on the Marine base has. We have a carport, which is covered by the extened roof of the house. The end of the roof rests on a "stacked bond" wall. I about 3 feet from the end of the wall, there is a vertical crack from top to bottom, in the mortar joint, about 1/2 wide at the bottom to nearly an inch at the top. Without a doubt, it's a product of overwatering. I can only imagine how many families have lived in this house before we arrived here. Lawns here have to be watered nearly every day in order to keep thrm from dying. The wall has improper grading, the whole property does for that matter, so soil movement is a no-brainer. The wall is seperate from the cement of the carport - this would be a floating slab????
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Blessings-Mike
Providence Home Inspections |
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Ashland, VA
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CMU Walls
[#5] Posted: 08/03/2006 - 9:22:09 PM | | |
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As a retired journeyman mason, I can assure you that any masonry wall is going to have the same "deal load" bearing capability according to the materials used. However, a stacked bond masonry wall relies heavily on duro-wall (a metal truss style reinforcement layed into the bed joints) for lateral strength since the units are not inter-locked.
Apparently, the wall you describe doesn't have duro-wall in it. If it did, it most likely would not have cracked as you describe or you would see the sheared ends of the duro-wall in the crack.
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| "This above all: to thine own self be true." - William Shakespeare |
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Chicago, IL
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 CMU Walls
[#6] Posted: 08/04/2006 - 04:57:08 AM | | |
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I thought it was called running bond, or Roman running bond(?). (and stacked bond, of course)
MGB, you'd like the church I looked @ the other day; built in 1930 down next to University of Chicago. Full blown limestone cathedral.
I'm helping them figure out what to do w/their messed up masonry; years of "tuckpointing" has left it, ahem, w/problems. When I told them what it would likely cost to correct (>$750,000), they went pale. I thought I was going to have a pretty good running consult gig going, but now they've retreated until they can figure out the money.
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Kurt in Chicago
"If I smell it, it goes in the report".............Phillip Smith...2012
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Brandon, MS
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CMU Walls
[#7] Posted: 08/04/2006 - 07:42:32 AM | | |
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I thought yall might enyoy.
General Thomas Hinds selected the site for the first "State House" in 1821. The building was erected in 1822. A local atty is purchasing the building. My mason spent the day inspection the brick and foundation.
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Charlie Sessums
www.brandonhomeinspector.com
The greatest ideas are often met with violent opposition from mediocre minds.
Albert Einstein
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Spring Hill (Nashville area), Tennessee
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CMU Walls
[#8] Posted: 08/04/2006 - 08:08:27 AM | | |
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I know that building! It is one of the few that survived the burning of the South during the war of northern aggression! It was used as a hospital for both CSA and USA troops, one of the reasons it was not burned.
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Scott Patterson
http://www.traceinspections.com
"Minds are like parachutes they only function when open"
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Chicago, IL
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CMU Walls
[#9] Posted: 08/04/2006 - 08:27:22 AM | | |
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Nice. What'd your mason say about the painted brick? (or, anything else, for that matter..)
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Kurt in Chicago
"If I smell it, it goes in the report".............Phillip Smith...2012
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DeWitt, Mi
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CMU Walls
[#10] Posted: 08/04/2006 - 08:29:55 AM | | |
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Kurt,
Those terms generally apply to brick and solid block. I have usually heard Roman running bond applied to Biscuit block and the larger brickblocks that that don't have any cores.
I may have looked at the church you mentioned in the late 80's for Moody Bible folks.
What I think is cool about masonary is that it can still be functional, even if it was built wrong 100+ years ago. Of course you are in the epicenter of brickwork in Chicago and I envy you that opportunity!
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Les
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Chicago, IL
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CMU Walls
[#11] Posted: 08/04/2006 - 08:52:41 AM | | |
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Yes. It's a masonry city.
The church is at the corner of 57th & Woodlawn, NE quadrant. Ring a bell?
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Kurt in Chicago
"If I smell it, it goes in the report".............Phillip Smith...2012
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Brandon, MS
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CMU Walls
[#12] Posted: 08/05/2006 - 12:55:06 AM | | |
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Kurt,
It was like a history lesson. He read the building's history to me. He helped establish time lines for the many repairs/renovations to the building.
It was easy to see a lot of distress in about a third of the walls but he was able to identify three different points in time when the "areas" underwent attempts to correct the damage. As a whole the condition was good but the masonry was in need of pointing. A hippie's thoughts on the use of lime in the mortar came into the discussion. (Thank You)
It took an act of congress to find an engineer who had experience with these old structures. I was able to buy a small amount of his time but he informed me upfront that he was over a year out on the real work for this building. The rough numbers will help the buyer arrive at a fair price.
I priced the job dirt cheap (for my service). I wanted the opportunity and was honored to be asked to take the job. June/July had 2 other jobs for just over 70,000 sf that paid well but there just wasn't much fun in the work.
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Charlie Sessums
www.brandonhomeinspector.com
The greatest ideas are often met with violent opposition from mediocre minds.
Albert Einstein
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