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I'm installing a piece of equipment that requires 12" thick
I'm installing a piece of equipment that requires 12" thick concrete pad. The current slab is 8". Can I just install a 4" slab on top? The equipment is approxinmately 21'x 5' and weighs approximately … read more
StructuralEng
StructuralEng
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I have an existing basement slab-on-grade, approx. 2-years
I have an existing basement slab-on-grade, approx. 2-years old. There are portions of slab that have settled, cracked and require replacement. The original building is going to remove these sections and re-pour. The correct method is in question. Slab is approx. 3.5" thick, non-reinforced, 6-mil vapor barrier. I would assume the builder will saw-cut small portions to be removed. Diamond Dowel and epoxy. I am considering an independent testing agency to determine the existing compaction rate as a "Baseline". Ultimately the builder and Eng or record shall determine the corrective action, I will be observing, and want to make sure work is proper. I looked throught IRC and ACI, and was not able to find specific means & methods. … read more
walkereng
walkereng
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The slab for my basement was poured a couple weeks ago.
Hello! The slab for my basement was poured a couple weeks ago. Yesterday I notice a crack (vertical) at the edge of the slab. Only vertically. There is no cracking on the slab surface. See pics and pl… read more
walkereng
walkereng
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Concrete slab 24' X 30'. Monolithic pour approximately 6
concrete slab 24' X 30' . Monolithic pour approximately 6 months cracks appeared all over. No reinforce wire nor rebar installed … read more
StructuralEng
StructuralEng
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Would a 22x22 garage floor poured with a 12" monolithic
Would a 22x22 garage floor poured with a 12 " monolithic footer hold up? … read more
StructuralEng
StructuralEng
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We have a home remodel with a room about 30' x 20' that has
We have a home remodel with a room about 30' x 20' that has new poured slab on grade. We noticed excess expansion of a control joints. We did borings that found poor to no compaction of fill under the… read more
StructuralEng
StructuralEng
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My house is built on a slab. I recently noticed a half- inch
My house is built on a slab. I recently noticed a half- inch gap between the baseboard and flooring at the bottom of the bedroom wall. It is load bearing. When I feel down in the gap, I feel some kind… read more
StructuralEng
StructuralEng
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I'm replacing a first floor bearing wall. The opening will
I'm replacing a first floor bearing wall. The opening will be 13'10", carry a 28' span for a second floor and ceiling. The attic is accessible and could be used for light storage. Approx. 25' of 2x4 w… read more
StructuralEng
StructuralEng
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I have a concrete slab that is about 3000 square feet that
I have a concrete slab that is about 3000 square feet that is 2 inches lower than the slab next to it and I need to make it level.… read more
StructuralEng
StructuralEng
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Is it possible to "foot" a floating slab building so that it
Is it possible to "foot" a floating slab building so that it can be attached to a new (not yet built) house? (Very northern Michigan) If so, what is the general process? Already Tried: emailed a local… read more
StructuralEng
StructuralEng
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I have a 8" x 4" steel IBeam running through the center of
I have a 8" x 4" steel IBeam running through the center of my home. The house is a small ranch, 26'w x 39'l. I have (3) 4 1/2" round, hollow lally columns holding the beam up. They have a 6" flange at… read more
StructuralEng
StructuralEng
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I have a typical residential home with an attached garage.
I have a typical residential home with an attached garage. I want to use the attic over the garage as a great room. there is a wooden beam[ 8"x12" douglass fur beam constructed of 4 pieces of 2"x12" m… read more
StructuralEng
StructuralEng
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My cantilever deck slab has cracked at the building wall, the
My cantilever deck slab has cracked at the building wall, the fulcrum point, and there is a 1/4 inch crack and the outer edge 11 ft away sags 1-1/2 inches. Can I simply jack the slab back into place a… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I recently had an inspection done on a home I am purchasing
I recently had an inspection done on a home I am purchasing and the inspector told me that the cinder block foundation had signifigant cracks that would be very difficult and extensive to fix. I recei… read more
walkereng
walkereng
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Bachelor's Degree
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Hi, I purchased a foreclosure house in the US. Once we
Hi, I purchased a foreclosure house in the US. Once we started renovations, my contractor discovered a hole under the tub. In further investigation, it was discovered that a previous owner had dug a r… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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First Question: I have an existing concrete walkway to a front
First Question: I have an existing concrete walkway to a front door and I want to raise the elevation of the walkway and add Mexican tiles. Can I pour over the existing slab where I can put 3-4" of co… read more
walkereng
walkereng
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Bachelor's Degree
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Need to infill a 30"X30" opening in an existing 8" thick structural
Need to infill a 30"X30" opening in an existing 8" thick structural concrete slab. What needs to be done to the existing opening to prepare it prior to placeing new concrete? The reinforcing has alrea… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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5 car garage slab (60x27) poured a year and a half ago on
5 car garage slab (60'x27') poured a year and a half ago on a hot day is cracking "excessivley" now they have done a relative humidity test (cored and left for 72 hours) and the readings are apx. 56% … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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