Applications of Alkaline-Resistant Cellulose Polymer Fiber in Ready Mixed Concrete


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Title: Applications of Alkaline-Resistant Cellulose Polymer Fiber in Ready Mixed Concrete

Author(s): H. J. Brown, J. D. Speakman, and J. H. Morton

Publication: Special Publication

Volume: 268


Appears on pages(s): 55-62

Keywords: cellulose; fiber; reinforcement.

Date: 3/1/2010

The ready-mixed industry makes up nearly 75 percent of the U.S. consumption of cement and this represents a significant market opportunity for the possible use of wood pulp fiber in ready-mixed concrete applications. Most research surrounding cellulose fiber-cement composites has focused on manufactured products such as flat and corrugated sheets for cladding and roofing, nonpressure pipes, and cable pits. Integration of cellulose fiber into the mainstream ready mix operation for value added benefits to the concrete mix is proven in practical applications as shown in this paper. Concrete properties enhanced by cellulose fiber addition are summarized. Properties of the fiber concrete composite discussed in this paper include fiber and cement matrix bond, alkaline stability, freeze-thaw durability, plastic shrinkage cracking resistance, combustibility, fire resistance and impact resistance. The paper also highlights selected project examples demonstrating the use of cellulose fibers in concrete, such as, overlays, slab on grade, and decorative concrete.