How do public water pipes not freeze in very cold weather? If house pipes freeze easily when there isn’t enough heat to keep the water in a liquid state, then why don’t pipes under the street freeze?

Question

How do public water pipes not freeze in very cold weather? If house pipes freeze easily when there isn’t enough heat to keep the water in a liquid state, then why don’t pipes under the street freeze?

In: Engineering

Answer 1

The ground has a very good capacity to keep things warm. If you bury it under 6 feet of dirt I can assure you it’s a very good isolation. Also they’re bigger and so they freeze less easily bc there’s more water to freeze