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Title: Production and Delivery of High-Strength Concrete

Author(s): Nathan L. Howard and David M. Leatham

Publication: Concrete International

Volume: 11

Issue: 4

Appears on pages(s): 26-30

Keywords: high-strength concretes; mixing; mix proportioning; placing; quality assurance; quality control; ready-mixed concrete; manufacturing


Date: 4/1/1989

High-strength concrete is becoming increasingly popular in the greater Seattle area. Testing labs and consultants in the area claim that because of the high quality of aggregate available, concrete with a strength of 20,000 psi (140 MPa) should not be difficult to produce. Results of many laboratory tests have proven this to be true, but much of this research has one on without fully considering the ready-mixed concrete supplier. They are very important to the team effort that is necessary to produce high-strength concrete and therefore must be involved in all aspects of the job, including the planning