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Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

(OP)
What is the practical slope for spread footings?

RE: Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

Flat. How steep do you want to go?

RE: Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

(OP)
On my previous design, construction office prefered stepped spread footing. I am looking for a general information (code reference the best) and recommendations for the future projects. What slope contractor will be comfortable with to pour concrete. Thanks.

RE: Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

I have heard of a stepped streip footing, but never a stepped spread footing.

Mike McCann
MMC Engineering
http://mmcengineering.tripod.com

RE: Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

Sorry - strip footing... not streip. )(*&*%

Mike McCann
MMC Engineering
http://mmcengineering.tripod.com

RE: Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

(OP)
With steeper slopes and wide abutments it could be costly to pour it flat. I heard with stepped footings though contractor has problem to proper compact the base, besides it has to pause between segments to prepare the next one.

RE: Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

Go with steps, usually, we're only talking about a height differential of 2 or 3 feet. if you're on rock or a stiff soil it's not a problem to prep the base.

RE: Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

(OP)
To msquared48: Sorry. I meant strip footing, not spread.

RE: Slopped spread footings vs. stepped footings for an Abumtnet or Pier, Pros and cons

UBC used to allow 10% maximum slope

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