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Started By
Message
Ot engineers/construction guys
Posted on 6/21/16 at 2:28 pm
Posted on 6/21/16 at 2:28 pm
Have any of you ever heard anyone differentiate between rebar cover and rebar clearance?
12
Posted on 6/21/16 at 2:30 pm to CCTider
No. I'm pretty young as far as the industry is concerned though.
Posted on 6/21/16 at 2:30 pm to CCTider
No. I'm pretty young as far as the industry is concerned though.
Posted on 6/21/16 at 2:31 pm to CCTider
thought it was the same thing
Posted on 6/21/16 at 2:32 pm to CCTider
No. You have whatever clearance you need and that's what has to happen.
Posted on 6/21/16 at 2:41 pm to CCTider
Only difference I could see is cover is the distance between the surface of the concrete and the near face of the bar. Clearance is distance between bar faces.
Posted on 6/21/16 at 2:42 pm to CCTider
No, not really. Essentially they are the same thing but someone could call the top coverage but the bottom or sides clearance. But I could see how they could use the terms differently if they are sticklers for the coverage of concrete over the rebar but don't really care if the clearance off the ground or seal slab is a bit higher than spec. I'm wondering why on earth anyone would ever need to ask this question.
This post was edited on 6/21/16 at 2:46 pm
Posted on 6/21/16 at 2:44 pm to CCTider
They're used interchangeably...Rebar needs to have enough concrete cover (or clearance from the surface) so that the concrete can properly adhere to the rebar and allow the concrete and steel to join together in a monolithic unit.
This post was edited on 6/21/16 at 3:46 pm
Posted on 6/21/16 at 3:06 pm to CCTider
they're the same, I've also heard it referred to as clear cover
Posted on 6/21/16 at 3:32 pm to CCTider
quote:
Have any of you ever heard anyone differentiate between rebar cover and rebar clearance?
Yes, but I haven't had to estimate rebar for so long that I can't remember which one is which. Pretty sure that one is how much concrete is needed between the rebar and the exterior surface of the pour and the other is the space between individual rebar members on the interior of the pour.
Posted on 6/21/16 at 4:13 pm to CCTider
I always call out like this
<--- 3" CLR
Clear meaning clear cover
Pretty much how I've always seen it done, when annotated on a detail
<--- 3" CLR
Clear meaning clear cover
Pretty much how I've always seen it done, when annotated on a detail
Posted on 6/21/16 at 4:21 pm to CCTider
Cover is the amount of concrete "covering" the rebar.
Clearance is the space between the rebar and forms or dirt grade.
Spacing is the distance between the rebar.
Clearance is the space between the rebar and forms or dirt grade.
Spacing is the distance between the rebar.
Posted on 6/21/16 at 4:59 pm to CCTider
quote:
Have any of you ever heard anyone differentiate between rebar cover and rebar clearance?
Cover only refers to distance from face of rebar to face of concrete and rebar clearance could refer to distance from rebar to concrete, nelson studs, anchor bolts, etc.
ETA:
I always annotate the way Croaka posted.
This post was edited on 6/21/16 at 5:04 pm
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