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I am pouring a 2.5 layer of concrete overt an existing
I am pouring a 2.5 layer of concrete overt an existing 5"slab, to envelope 1/2 inch PEX radiant heat tube. I was told 4000 psi was sufficient, This has 6" wire mesh and fiberglass, what are mixing rat… read more
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I am building a small retaining wall (3 feet high from top
I am building a small retaining wall (3 feet high from top of footing) out of 8 inch CMU. The footing will be 2 feet deep and 2 feet wide with #4 rebar. The wall is 10 feet long but I need to leave 3 … read more
walkereng
walkereng
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I am constructing a 20'x60'x16' masonry RV garage. I have #
I am constructing a 20'x60'x16' masonry RV garage. I have # 4 rebar in solid grout cells at 48" oc verticle with #9 ga. JT reinforcement at 16" oc horizontal. Plans passed permit, but now inspector sa… read more
walkereng
walkereng
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Ok, I need to get calculations, steel sizes, connections and
ok, I need to get calculations, steel sizes, connections and bracing details to build a crash deck in a quarry to protect people and machinery from falling rocks 150kg from a 4m height. see tech data … read more
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StructuralEng
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I'm curious if two back to back 5.5" x 3.5" (1/2 thick)
I'm curious if two back to back 5.5" x 3.5" (1/2 thick) steel lintels will support a 10' wide opening. The masonry above (4-8") is grouted solid and loadbearing? … read more
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What size steel beam ( with 3/8" steel plate) 10 feet garage
what size steel beam ( with 3/8" steel plate) for a 10 feet garage door opening with 6 to 8 feet of 12 " masonry above… read more
walkereng
walkereng
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I'm cutting a 3'w x 5'h hole in a masonry wall fresh air
I'm cutting a 3'w x 5'h hole in a masonry wall for a fresh air louver. Wall is 8" block with pre cast finish. Louver will be just off grade and extend up 5' of a 20' wall. My hole guy will cut the hol… read more
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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
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ok back to this garage project ...... hi i live in western
ok back to this garage project ...... hi i live in western pa. i have a 1930 two story colonial house. there a a garage on the back "under the house" and if u look up from there the roof "load" sits a… read more
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StructuralEng
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Im widening an existing overhead door in a 8" masonry wall. From
I'm widening an existing overhead door in a 8" masonry wall. From 14' wide to 16' wide, there are nine courses of existing 8" masonry above the existing steel header. What size I-beam do I need, to re… read more
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StructuralEng
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I am not sure I am in the right place. Anyway, I just raise
I am not sure I am in the right place. Anyway, I just raise my question: I want to make a concrete countertop for my aquarium (22" (B) X 48" (L) X 36" (H)). The concrete countertop I plan to make is 2… read more
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StructuralEng
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im moving some 8x8 posts on a 8" hollow CMU wall. The wall
im moving some 8x8 posts on a 8" hollow CMU wall. The wall is 13 ft high and already supports 3 levels. It has a 2" cmu solid cap on the top. Im the bottom apartment of 3, the 8x8 is column is bearing… read more
StructuralEng
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We are planning to put an opening in a wall (8). The contractor
We are planning to put an opening in a wall (8'). The contractor wants to use a bond beam. Can I calculate rebar required in the open area filled with grout similiar to a regular concrete beam??… read more
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StructuralEng
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i have to remove a 4.2m wall which is brick 100mm thick. Above
i have to remove a 4.2m wall which is brick 100mm thick. Above this wall are joists running across it with a 3.5m stud wall on top of that. there will be no other weight on this other than furniture. … read more
vgdlpc
vgdlpc
Master's Degree
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I want to know the dosage to create a 5000 psi concrete.
Hi, i want to know the dosage to create a 5000 psi concrete. Cement, sand, gravel, water and additive… read more
StructuralEng
StructuralEng
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I have a 40x40 8 inch block building (residential) and want
I have a 40'x40' 8 inch block building (residential) and want to put a gable roof on it.It is 10 foot high with no bond beam on top and has an existing flat roof of tar and gravel. The local inspector… read more
StructuralEng
StructuralEng
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need to know if my foundation plan for my 32x32garage is
need to know if my foundation plan for my 32'x32'garage is structuraly sound and adiquit block size beam size footer size and so forth… read more
StructuralEng
StructuralEng
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How long can the cement be in the truck from time of mixing
How long can the cement be in the truck from time of mixing to pouring (about 6 yards), and should the person doing the work reject the load after a certain amount of time, because he will not be able… read more
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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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