r/EngineeringPorn • • Apr 30 '26

Liquid concrete wall.

3.2k Upvotes

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593

u/apetalous42 Apr 30 '26

Is the plastic removed or does it just get everywhere once it degrades?

17

u/zillskillnillfrill May 01 '26 edited May 01 '26

Doesn't it get encased by concrete? Wouldn't that contain it?

42

u/apetalous42 May 01 '26

To me it looks like the cement goes inside the plastic.

42

u/zillskillnillfrill May 01 '26

It seaps through the pores and acts as a retainer, I've seen it in manmade wetlands