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Difference Between Concrete, Concrete Slabs and Concrete Lanes? (lemm.ee)

submitted 3 weeks ago by pineapplelover@lemm.ee to c/openstreetmap@lemmy.ml

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I'm on Street Complete and I'm trying to differentiate between Concrete, Concrete slabs, and concrete lanes. There's a walkway that's just a normal concrete walkway, I didn't know there were so many designations for this.

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[–] pineapplelover@lemm.ee 1 points 3 weeks ago (1 children)

Unless I see them being constructed, how would I know?

[–] InsertUser@en.osm.town 2 points 3 weeks ago (1 children)

@pineapplelover @Tyoda @openstreetmap

The ones on the wiki have visible lifting points.

They might also have visible alignment issues or evidence of moulding at the seam or corners.

[–] pineapplelover@lemm.ee 1 points 3 weeks ago (1 children)

So a concrete sidewalk would mean the entire sidewalk was poured in one piece? No moulding or anything?

[–] InsertUser@en.osm.town 1 points 3 weeks ago (1 children)

@pineapplelover @openstreetmap
They would usually be poured in one or two slabs with the joints added to the wet concrete or cut later.

If it looks like an impossible mould would me needed it's more likely to be pre-fab and lifted into place later.

[–] pineapplelover@lemm.ee 1 points 2 weeks ago (1 children)

This thread says concrete means the entire thing was poured in one piece, no lines

https://help.openstreetmap.org/questions/85524/concrete-vs-concreteplates

[–] InsertUser@en.osm.town 1 points 2 weeks ago (1 children)

@pineapplelover @openstreetmap
That thread has a top answer with a grand total of one vote on it, I wouldn't take it as consensus on anything.

Concrete that is poured in one piece usually has visible lines. They're placed there after the fact or when the concrete is wet to control how it cracks as it settles. That doesn't mean it's separate plates. The cuts normally aren't full depth.

[–] pineapplelover@lemm.ee 2 points 2 weeks ago

The wiki seems to have good information also

https://wiki.openstreetmap.org/wiki/Key:surface