how are the weight on the first floor of a skyscraper able to hold the weight of over a 100 floors?

Question

how are the weight on the first floor of a skyscraper able to hold the weight of over a 100 floors?

In: 570

Answer 1

Concrete and steel.

For one, the weight (or load) from
All above floors doesn’t go into the floor you stand on, it goes straight down the columns, so the floor directly under your feet is only supporting your load.

Then underneath the building all of those columns lead to some kind of concrete foundation, it might be one big slab, or a footing underneath every column, or maybe even long concrete piles (pillars) that go all the way down to bedrock.

Concrete is incredibly strong in compression, meaning it’s very very hard to make it break by crushing it, so it can support a lot of weight/load without issues.