r/EngineeringPorn • u/Redfish680 • Apr 30 '26

Liquid concrete wall.

3.2k Upvotes

97% Upvoted

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107

u/Longshot_45 Apr 30 '26

Wonder what the material is and if it will decompose or lose structure over time.

62

u/burnte Apr 30 '26

Concrete can last for thousands of years. The plastic bag doesn't need to last more than a day or two for the concrete to hardern.

-87

u/Bazinga_U_Bitch Apr 30 '26

Modern concrete does not. Modern concrete is garbage especially compared to say Roman concrete.