Am Mi., 20. Nov. 2019 um 14:51 Uhr schrieb Paul Allen <pla16...@gmail.com>:
> Yes, they're retaining walls. But, since they're made of earth (often > visibly so), may be > naively mapped as embankments by some. A civil engineer may be able to > infer, from > the angle of repose, that they are reinforced but that is not obvious to a > casual observer > since the reinforcement is not visible. Also, even though they're > retaining walls, it may > be that what they're retaining is more earth, making them look even more > like > embankments. > retaining walls are generally retaining earth / ground. It would be impossible from those concrete clad reinforced earth ramps in the video to deduct whether the concrete is just a cladding or is actually a retaining wall or is a cladding for a retaining wall made of concrete (for example). > > I wouldn't want anyone to think, because of this discussion, that "made of > earth" = > "embankment." However, many embankments (especially modern ones) may have > steep angles of repose because reinforcing them means less material is > needed > and makes them cheaper. The line is blurred. In the end, it comes down > to why > the thing was built. > for a retaining wall, it does not matter why it was built, it matters how it works. Cheers Martin
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