Design for Torsion Using Steel Fiber Reinforced Concrete


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Title: Design for Torsion Using Steel Fiber Reinforced Concrete

Author(s): Antonio Nanni

Publication: Materials Journal

Volume: 87

Issue: 6

Appears on pages(s): 556-564

Keywords: beams (supports); building codes; fiber reinforced concretes; loads (forces); metal fibers; rectangular beams; reinforcing steels; shear properties; structural design; torsion; Materials Research

Date: 11/1/1990

Steel fiber reinforced concrete (SFRC) has demonstrated valuable structural properties that should be formally acknowledged in building code design formulas. This paper reviews existing English-language literature on torsional performance of SFRC, with and without conventional reinforcement, and proposes design formulas for torsion following the format currently used in ACI 318. As a result of laboratory experience and the conservativeness of the proposed modifications, the new formulas for tension design should be acceptable.