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I need to validate my retaining wall design. I have two
I have two adjustent driveways that start at the same level and elevate at different angle. Between these driveways (parking spaces) I need to put a retaining wall that will gradually rise, from zero to 28in over 21ft. I'm thinking about cinder block (8x8x16in) wall over poured concrete footing. Should I go with one (8in) or two (16in) block wall thickness given that on upper driveway a heavy truck (2-3 tons) will be parked right next to this wall (if not over it)? Or is this even feasible with cinder blocks? … read more
PaulP324
PaulP324
consulting engineer
MS
1,276 satisfied customers
Building a 20'x40' greenhouse. It is below grade 38 inches
Building a 20'x40' greenhouse. It is below grade 38 inches back 40 ft wall and 24 inches front 40 ft wall. I'm building a concrete block wall 42" in back and 25" in front. Planning to use horizontal r… read more
PaulP324
PaulP324
consulting engineer
MS
1,276 satisfied customers
We built a 1m high concrete sleeper wall and in recent
We built a 1m high concrete sleeper wall and in recent terrential rain, one end moved slightly. When we built the wall it was really dry - however we have since dug out the concrete posts to fix etc a… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,262 satisfied customers
I'm looking into building 2 projects. 1) a 2-story workshop
Second opinion] I'm looking into building 2 projects. 1) a 2-story workshop behind my garage and 2) remove telephone pole walls and construct concrete retaining walls on the north and west side of my … read more
StephenY629
StephenY629
Presdent
BSEE/ME
I'm looking at a house that has a particular issue in the
I'm looking at a house that has a particular issue in the basement. I just completed inspections today. The house was originally a summer home that had a wrap around porch that was finished and incorp… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,262 satisfied customers
I've got a 16x40 shed that was built in the 40's. Due to
I've got a 16x40 shed that was built in the 40's . Due to settling over the years the floor is rotted and gas to be replaced . This shed had sunk about 1 1/2 foot into the ground . The shed was built … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
Two 20 foot W12x26, cantilevered 15' over water 5 ft OC
Two 20 foot W12x26, cantilevered 15' over water 5 ft OC apart with 2x6 treated planks At the land end 6" bulkhead is supported by an existing 15" depth x 2 foot deep wall which the beams will rest on.… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
We have a pool in Tobago-it was built in 1994-two recent
We have a pool in Tobago-it was built in 1994-two recent earthquakes-the pool house holding the pumps is a support structure for the deck above-it was built without foundation-rests on the ground-it c… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
Retaining wall needed: I want to enlarge my driveway by
Retaining wall needed: I want to enlarge my driveway by removing the sloping ground back 15 feet to where the ground is 5 feet high. I want to pour a 5 foot high concrete wall, put drainage holes near… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
You're real? I just built a ridge beam to support a new
I just built a ridge beam to support a new cathedral ceiling in my garage. I put a footer in the open end of the garage to support the beam post and just used the existing foundation to support the beam post at the other end. Is this ok? … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I am building a rectangular swimming pool and would like to
Customer: I am building a rectangular swimming pool and would like to use 8"x8"x16" concrete block to build the shell. The wall height will be 8'. The pool dimensions are 14'x30'. Think of it as layin… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
We want to extend our kitchen 4-6'. What is the process to
We want to extend our kitchen 4-6'. What is the process to establish a new foundation for the wall. We in Long Island New York. What is depth, cement strength, rebar thickness, step foundation? Thank … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I have a thick (12" deep) concrete retaining wall, built on
I have a thick (12" deep) concrete retaining wall, built on footings pinned to ledge, on the side of a steep hill. My house is set back, up the hill, and very solidly built on footings and a concrete … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I wanted to replace the drain tile around my house and as such
I wanted to replace the drain tile around my house and as such have diged a trench next to the wall in order to find the footing. After digging the 5.5' I realize my house doesn't have footings. It lo… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I have a 40 foot wide, 9 foot high (with two 10 wing walls
I have a 40 foot wide, 9 foot high (with two 10' wing walls on each end) 'retaining' wall built that serves as one end of a pole barn. The contractor did not use enough enough re-bar and the wall has … read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,262 satisfied customers
Retaining wall on stable soil. Do I need a footing?
12" thick monolithic poured concrete retaining wall, 18 inches high by 45 feet long on stable soil. Maximum depth below grade is no more than 10 inches (maximum height of retained soil---back of wall … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I have built up a parking area on a slope by filling up an
I have built up a parking area on a slope by filling up an area with hard fill. The area is 20m x 20 m and is enclosed by a (breeze) block on the flat retaining wall. The bottom right corner is about … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
Replace 2X4 load bearing basement wall.Open span of 22.5 feet.
Replace 2X4 load bearing basement wall.Open span of 22.5 feet. house width is 26 feet. Beam will support upper floor and roof. Standard shingle roof. 84 lumber says four 1.75 X 14 inch versa-lam panel… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,262 satisfied customers
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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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