Concrete pumping is usually the preferred method of delivery of a concrete mix to a job site’s pour. This involves the use of a machine that accepts the concrete from the mixer then places pressure on a large hose to push the concrete through to the point of the pour. Chute delivery uses a series of wide ducts in which concrete slides down to the desired location of the pour. Until the invention of the concrete pump, chutes were used frequently. Today, chute delivery is rarely used in the United States, but is frequently utilized in developing countries where construction equipment is not available. Read more