Civil Engineering Association

RILEM TC 162-TDF : Test and design methods for steel fibre reinforced concrete

This test method evaluates the tensile behaviour of steel fibre-reinforced concrete in terms of areas under the load-deflection curve obtained by testing a simply supported notched beam under three-point loading.

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RILEM TC 162-TDF: TEST AND DESIGN METHODS FOR STEEL FIBRE REINFORCED CONCRETE

The design principles described in the following are based on the fracture mechanical approach known as the fictitious crack model, which relies on the so-called stress-crack opening relationship Ow(W ) as the basic material input.
The design method is applicable for Steel Fibre Reinforced Concretes (SFRC) that exhibit tension softening behaviour. The method can also be used for other Fibre Reinforced Cementitious Composites (FRCC) that exhibit tension softening behaviour as well as plain concrete (which is assumed always to exhibit tension softening behaviour).
The following cases are covered in this document:
9 Cross section subject to combination of axial force,
bending moment and shear force. Reinforcement can
be a combination of conventional re-bars and fibres.
9 Slab on grade subjected to shrinkage.

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