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Concrete deck over sand. I had a suspended deck 14x36 and 4
Second Opinion] [Second opinion] Concrete deck over sand … read more
PaulP324
PaulP324
consulting engineer
MS
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I would like to make a circular hole in a concrete ceiling.
hello, I would like to make a circular hole in a concrete ceiling. The ceiling is 25cm thick reinforced concrete with a grid of rebar inside. The total span of the ceiling (size of the room) is 4m x 6… read more
StructuralEng
StructuralEng
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Related to the question I asked you yesterday about roof
Related to the question I asked you yesterday about roof beam sizing (the same drawing applies): Part of the reason I'm trying to carry as much of the load as possible on the ridge beam and carport po… read more
walkereng
walkereng
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I plan on building a pole barn in New England with a 6"
I plan on building a pole barn in New England with a 6" concrete floor reinforced with# ***** rebar. How do you prevent the floor from heaving and cracking in winter months @ 12' and 16' door openings… read more
Shannon Galway
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I'm installing a piece of equipment that requires 12" thick
Second opinion] 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 weigh… read more
walkereng
walkereng
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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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Bachelor's Degree
8,463 satisfied customers
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
Consultant
Bachelor's Degree
5,336 satisfied customers
I need some help with a floor that I would like to pour. The
Hello I need some help with a floor that I would like to pour. The foundation is 8' X 20' outside with 8" thick. I would like to pour a floor 4"-6" thick with rebar and pex tubing to potentiall draw h… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I am about to install a 2500 gallon cylindrical water
I am about to install a 2500 gallon cylindrical water storage tank with 95" diameter. I would like to have it sit on a concrete slab. How thick should the slab be, and should I use regular rebar to re… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
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Ok this is bit tougher. My property is on a llside. I am
ok this is bit tougher. My property is on a hillside. I am building 24"x24" piers using concrete block and solid Pour center and 2 pieces of 1/2 rebar. These piers will vary in height but the tallest … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I need to build a pier foundation small deck\balcony
I need to build a pier foundation for a small deck\balcony size 8'X10' in the city of mission viejo CA. I need to know: 1. How deep I should go with the foundation? 2. What kind of steel cage (i.e. re… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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What size Glulam beam with a 24 ft span 2 foot on center with
What size Glulam beam with a 24 ft span 2 foot on center with 3 1/8 plywood glued and screwed be required to support a 24 x 32 ft renforced concrete slab 7 1/2 inch thick?… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I want to place a 5000 gallon tank on a cement floor . The
I want to place a 5000 gallon tank on a cement floor . The tank materieal weigh slightly less than 50,000 pounds. the tank is constructed of plastic and weighs less than 1000 pounds. The tank is 10 fe… read more
walkereng
walkereng
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Bachelor's Degree
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I want to support a poured concrete floor 5" thick of 5000
I want to support a poured concrete floor 5" thick of 5000 psi concrete with fiber, with wire mesh and #4 rebar 12" on center for a garage. This is supported by 8"X18" steel I beams 25' span resting o… read more
StructuralEng
StructuralEng
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I am interested in finding out how thick of a concrete slab
I am interested in finding out how thick of a concrete slab I would need for a garage addition that I am putting on my house. I am going to use two shipping containers 10' apart and want to pour a sla… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
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Hi, I am a mechanical engineer so this is out of my league.
Hi, I am a mechanical engineer so this is out of my league. I want to build a deck 32'X30'. It would be 3' above grade. I was planning on supporting it with cement columns. My thoughts 4" slab with #4… read more
walkereng
walkereng
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Bachelor's Degree
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Im erecting a steel I-beam building and am in the process
I'm erecting a steel I-beam building and am in the process of pouring a slab. The building is 34'w x 50'l x 12'h. There are 3 i-beams - one on each end and one in the center of the 50' length. Here's … read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,336 satisfied customers
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
Consultant
Bachelor's Degree
8,463 satisfied customers
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