ELI5: Explain Like I'm 5

Self-consolidating concrete

Self-consolidating concrete is a special kind of concrete that can basically pour itself into all the little spaces and corners that it needs to go without anyone having to use sticks or other tools to push it around.

This is possible because self-consolidating concrete has some special ingredients added to it that make it very slippery and easy to move, similar to pancake batter or cake mix. These ingredients help it flow smoothly and fill in all the spaces between the different parts of the mold that is holding the concrete.

Self-consolidating concrete can be really helpful when building complicated structures or things with a lot of intricate and hard-to-reach areas. It also makes the process of pouring concrete much faster and easier for the people doing the work, since they won't have to use as much force or tools to get it into the right place.
Related topics others have asked about: