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I have been charged with designing and installing a crash
I have been charged with designing and installing a crash deck for the entrance to a mine, it must be able to retard the fall of a 250 kg bolder of Portland stone. I have sketches and approx sizes but… read more
StructuralEng
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Above ground solid sign fixed on both sides with 4" x 4"
Above ground solid sign fixed on both sides with 4" x 4" 1/8" wall 6061-T6 aluminum square tube. Tube is fixed to the ground on a 3/8" 6061 aluminum plate that is 32" long and 16" wide under the tire … read more
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I had a 10' x 16' x 5" thick concrete slab poured for a
I had a 10' x 16' x 5" thick concrete slab poured for a shed. Gravel base was compacted after top soil scraped off, with 1/2" rebar placed at 3' OC, no turndowns were used. The issue is the slab is ou… read more
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I have a retaining wall at rear of my property. The wall is
I have a retaining wall at rear of my property. The wall is cracked and leaning out towards my neighbour behind me. Would a repair be possible, or a new wall. Portion involved is approx 6 ft high, 10 … read more
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If I put some concrete down on top of some previous concrete
If I put some concrete down on top of some previous concrete like near me garage would it be stable or would I need to like drill some holes and put in some kind of anchor system that the concrete can… read more
walkereng
walkereng
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Loading strength of or Metal panels swimming pool wall I am
Loading strength of Wood or Metal panels for a swimming pool wall I am building a swimming pool which is 8 feet wide 45 feet long. I am building the walls of the swimming pool out of wood. I need a re… read more
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I was just doing some measuring and I am wondering if I
I was just doing some measuring and I am wondering if I can reduce the size of the square tubing to 2x2x1/4 if I run 3 at 10" between instead of 3x3x1/4 with 2 at 20" apart… read more
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I am remodeling a single story home that was built in 1925.
I am remodeling a single story home that was built in 1925. it has 2x4walls also 2x4 roof rafters the attic is 18 feet tall. we would like to add a room upstairs.the support walls inside are 14 feet o… read more
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StructuralEng
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I have a garage door opening of 18' , the iron needs to have
I have a garage door opening of 18' , the iron needs to have at leat 6" lap on the block wall, so the total length will be 19' and 3 courses of 8" block on top of it, thats the dead load, thinking aro… read more
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My cottage which is located only 30 feet from the lake has
My cottage which is located only 30 feet from the lake has a 6 foot crawl space (cement blocks) with a dirt floor. The moisture has started to rot the beams and mould has developed and the floor has s… read more
walkereng
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I am building a garden office. I have calculated the weight
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StructuralEng
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I recently purchased a home on a hill with a new concrete retaining
I recently purchased a home on a hill with a new concrete retaining wall in the back, separating our home from the neighbors elevated yard. It's 4 feet high, thick concrete. How strong are these thing… read more
StructuralEng
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We just removed a supporting wall in a house built in 1978.
We just removed a supporting wall in a house built in 1978. A 20' foot beam was installed in the attic so there is a 15.6' open area. My concern is that the trusses in the attic will not hold in order… read more
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StructuralEng
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I want to know the size and type of a lintel I need for an
I want to know the size and type of a lintel I need for an opening in a brick wall. The span is 4m, it will have to support 6 courses of internal single leaf brickwork and plaster, and the wall also s… read more
walkereng
walkereng
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A change to my last question, and i would liek another expert
A change to my last question, and i would liek another expert to please look at it, for a second opinion. i want to design a free standing office which will accept light storage at 350 kilos per sq me… read more
StructuralEng
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This is a bulding code question. What is code for waterproofing
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walkereng
walkereng
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On our first floor we have a structural wall between the family
On our first floor we have a structural wall between the family room and kitchen. It consists of two 2x6s vertical supports on the east end, a 9 foot header consisting of 2 2x10s supported by two 2x6 … read more
StructuralEng
StructuralEng
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How many blocks, reinforced concrete do i need (deep for strength)
How many blocks, reinforced concrete do i need (deep for strength) to build a 2.5m high wall that will be faced with 150mm stone… 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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