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Title: Properties, applications: Slurry infiltrated Fiber Concrete (SIFCON)

Author(s): David R. Lan Kar

Publication: Concrete International

Volume: 6

Issue: 12

Appears on pages(s): 44-47

Keywords: compressive strength; ductility; fiber rein-forced concretes; flexural strength; high-strength con-crete; impact resistance; metal fibers; refractory con-cretes; resurfacing.


Date: 12/1/1984

Steel fiber reinforced concretes (SFRC) are typically prepared by adding the fiber along with the other concrete ingredients in the mixing operation. Using this premix approach, it is possible to incorporate up to about 265 Ib/yd3 (2 volume percent) of fiber into the concrete. At fiber contents in excess of 2 volume percent, the SFRC becomes difficult or impossible to mix and place. inasmuch as the improvements in concrete properties attributed to the fibers increase as a function of increasing fiber content, this situation places a limit on the ultimate property development in SFRC prepared by the premix approach. Recently, a pro-cedure has been developed wherein steel fiber con-tents up to 18 volume percent have been provided in SFRC composites. The engineering properties of these highly reinforced composites are discussed along with a number of successful applications.


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