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- Users: wirelesstom
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Lock Washers
During a random inspection I notice a GC had installed lock washers between the nut and hardened washer on a A325 3/4" bolt used to support a steel frame platform. AISC does not allow the use of this non-ASTM lock washer right? I know the hardened washer is recommended for this purpose alone...- wirelesstom
- Thread
- Replies: 5
- Forum: Structural engineering general discussion
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Mat Foundations
I have three outdoor cabinets. All are 77" tall. The first is 54" wide and the other two are 30" wide. The rest of the pad is left open for future growth of similiar cabinets. The first cabinet is 4500lbs and the other two are 1200lbs each. Any future cabinets would be assumed to be approx...- wirelesstom
- Post #6
- Forum: Foundation engineering
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Mat Foundations
I have a 10'x18.5' floating slab foundation w/minimal loading (12,600 lbs of equipment in various cabinets). The slab is 6" thick w/#4 placed both ways at 12" O.C.. The slab is placed on compacted crushed stone. The loading equates to 185-lbs/SF and the soil pressure is approx 1000lbs/SF...- wirelesstom
- Thread
- Replies: 5
- Forum: Foundation engineering
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Mat Foundationss
I have a 10'x18.5' floating slab foundation w/minimal loading (12,600 lbs of equipment in various cabinets). The slab is 6" thick w/#4 placed both ways at 12" O.C.. The slab is placed on compacted crushed stone. The loading equates to 185-lbs/SF and the soil pressure is approx 1000lbs/SF...- wirelesstom
- Thread
- Replies: 1
- Forum: Structural engineering general discussion
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CATHEDRAL CEILING HIGH WIND STRUCTURAL DESIGN
I have a 10'x18.5' floating slab foundation w/minimal loading (12,600 lbs of equipment in various cabinets). The slab is 6" thick w/#4 placed both ways at 12" O.C.. The slab is placed on compacted crushed stone. The loading equates to 185-lbs/SF and the soil pressure is approx 1000lbs/SF...- wirelesstom
- Post #6
- Forum: Civil/Environmental engineering general discussion
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Frost Depths
Where are some quick places to find local frost depths for foundation design purposes?- wirelesstom
- Thread
- Replies: 17
- Forum: Civil/Environmental engineering general discussion
