Application of Three-Dimensional Fabric Reinforced Concrete to Building Panels

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Title: Application of Three-Dimensional Fabric Reinforced Concrete to Building Panels

Author(s): H. Nakagawa, M. Kobayashi, T. Suenaga, T. Ouchi, S. Watanabe, and K. Satoyama

Publication: Special Publication

Volume: 138

Issue:

Appears on pages(s): 211-232

Keywords: carbon; curtain walls; durability; epoxy resins; fabric; fiber reinforced concretes; fibers; fire resistance; flexural tests; panels; specific heat; wind resistance; General

Date: 9/1/1993

Abstract:
The three-dimensional fabric studied as reinforcement for concrete is a stereo-fabric made of fiber rovings, woven into three directions, and impregnated with epoxy resin. Fiber material, number of filaments, and distance between rovings can be varied easily. Efficient production is also possible, since three-dimensional weaving, resin impregnation, and hardening can all be done by an automatic weaving machine. The authors investigated the flexural and fire-resistance behaviors of three-dimensional fabric reinforced concrete (3D-FRC) toward applying the material to building panels. The fibers studied were carbon and aramid, and the matrix was vinylon short-fiber reinforced concrete. The results demonstrate that 3D-FRC panels have sufficient strength and rigidity to withstand design wind loads, and the fire resistance of 60 min was achieved. The 3D-FRC panels have been used for curtain walls, parapets, partition walls, louvers, etc., and installations amount to 7000 m 2.