Ecocentric = an adjective used to describe a state of mind; of a person, or a social group, who is, or are: Committed to Making a Positive Contribution to The Survival of Mankind And The Eco-System Which Supports Us.
Effects. When fast-setting concrete mix is used, setting takes place in 20 to 40 minutes. Typically, you can apply some weight to the posts after 4 hours, but it's a good idea to wait at least 24 hours before resuming fence construction.
Concrete will start hardening in 45 minutes or less in warm weather (in up to 90 minutes in cool weather). But even though the hardening (technically known as curing) process begins quickly, you should leave the posts undisturbed for at least two days after pouring the concrete.