Fiber reinforced cementitious materials with improved toughness

Details Fiber reinforced cementitious materials with improved toughness Fiber reinforced cementitious materials with improved toughness

1998-11-03

2000-06-06

Weisberger, Richard

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428364, 428369, 428370, 428371, 428375, 428378, 428383, 428400, 428401, 428606, 106638, 106713, 423445R, 4234471, 4234472, D02G 300, B32B 2700, E04C 500

Patent

active

060716134

ABSTRACT:
A hybrid fiber reinforcing system that enhances ductility of concrete at small and large crack openings, while avoiding the necessity of using steel fibers at high (e.g., 1%) volumes, by taking into account Young's modulus, deploying large surface area to volume ratios for improved anchorage, and using different relative lengths.

REFERENCES:
patent: 4565840 (1986-01-01), Kubayashi et al.
"Fatigue Crack Fracture and Arrest in Fiber Reinforced Concrete Under Interfacial Bond Degradation", T. Matsumoto and V.C. Li, pp. 541-550. No Date.
"Flexural Characteristics of Steel Fibre and Polyethylene Fibre Hybrid-Reinforced Concrete", K. Kobayashi and R. Cho, Apr., 1982, pp. 164-168.
"Cement-Based Composites with Mixtures of Different Types of Fibres", P.L. Walton and A.J. Majumdar, Sep. 1975, pp. 209-216.
"Micro-Reinforced Cementitious Materials", Nemkumar Banthia and Jiakang Sheng, 1991, pp. 25-32.

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