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New home construction underway. Post tension slab. Surface
New home construction underway. Post tension slab. Surface has inconsistent finish with dark and light spots with honeycomb look. Sides of poured foundation has many areas with considerable aggregate … read more
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StructuralEng
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I am trying to determine the load capacity of a W14x90 Steel
I am trying to determine the load capacity of a W14x90 Steel beam spanning 30 feet. … read more
walkereng
walkereng
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I have a slab on grade because I'm doing hydronic floor heat
Hi. I have a slab on grade because I'm doing hydronic floor heat I'm debating turned down slab edge vs taking the foundation wall up further and letting the slab float just inside the walls. Lots of o… read more
StructuralEng
StructuralEng
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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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I am looking at two w24x131 beams that are 39'. At that
I am looking at two w24x131 beams that are 39' long. At that span, can I expect for them to hold up a 15,000 pound truck? The bridge would be 12' wide with a 5" steel reinforced concrete slab on it.… read more
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StructuralEng
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I am pouring over a block basement garage floor over the top
I am pouring over a block basement for a garage floor over the top of it. It is 20' x 28' my plan is to pour 7 1/4" thick concrete with 5/8" rebar 1' on center. will this support a pickup and do I nee… read more
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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
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This is ***** *****. Not sure if you can help, but I am
Customer: This is ***** *****. Not sure if you can help, but I am putting a reinforcing I Beam underneath a 170 year old truss that might be failing, just to be safe. I got a 35.5 foot long I Beam tha… read more
StructuralEng
StructuralEng
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Hi. I am building a hurricane shelter in my garage. It will
Hi. I am building a hurricane shelter in my garage. It will not be part of the garage structure. All 8 or 16" concrete block, two blocks thick so 16" thick walls. Outside dimensions roughly 8x14x8high… read more
StructuralEng
StructuralEng
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I am building a 24' by 24' concrete deck on top of a 10" poured
I am building a 24' by 24' concrete deck on top of a 10" poured foundation wall and was wondering what size "I" beam i need to use and spacing of beams that will sit in a beam pocket… read more
StructuralEng
StructuralEng
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Id like to pour a 3" slab over a 60 year old t&g wood floor.
I'd like to pour a 3" slab over a 60 year old t&g wood floor. The slab would contain radiant heating tubes and raise my floor (which is now 3" above the BFE) to 1'0" above the BFE (which FEMA reccomme… read more
StructuralEng
StructuralEng
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I have a PT post in my basement that was put in when we added
I have a PT post in my basement that was put in when we added our 2nd story (to support the first floor under the steps in the basement). We got it inspected (and passed) but are selling our house now… read more
walkereng
walkereng
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Seven years ago I built a 30 by 40 by 16 feet high metal
Seven years ago I built a 30 by 40 by 16 feet high metal barn. It has a 4 foot seep cellar, so the building inside is 20 feet tall. The foundation is 12-inch thick rebarred 35,000 test concrete, but I… read more
walkereng
walkereng
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We are looking at buying a house with poured, stained concrete
We are looking at buying a house with poured, stained concrete floors on post tension slab 7.5 inches thick. We have noticed a few small cracks, but one runs almost half way through the depth of the h… read more
StructuralEng
StructuralEng
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What are the pros & cons of a floating slab vs. a traditional
What are the pros & cons of a floating slab vs. a traditional slab for constructing an outbuilding like an unattached garage or workshop?… read more
StructuralEng
StructuralEng
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Hi, Im preparing to build a new house and would like to build
Hi, I'm preparing to build a new house and would like to build a partial concrete bunker under the slab. I was planning on 8 inch walls of poured concrete, and hopefully using the concrete slab as the… read more
StructuralEng
StructuralEng
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I am building house on a slab, the footings are on good solid
I am building house on a slab, the footings are on good solid ground and the 8" concrete blocks are laid. The fill sand has been brought in and it appears to have a high clay content. I am concerned a… read more
walkereng
walkereng
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Bachelor's Degree
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While pouring knee walls & bay windows, the molds gave way,
While pouring knee walls & bay windows, the molds gave way, (a 24' X 48' addition). Day light was waning, the cement guy suggested pouring the remaining unused (~6 yds) on the gravel floor, for the sl… read more
StructuralEng
StructuralEng
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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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