Strength and deformation behaviour of bottle-shaped struts

What is it about?

Bottle-shaped struts are regions in shear critical structural concrete members which resist compression. This experimental investigation compares the strength and ductility of those compression regions (where bottle-shaped struts are imagined to be operating) with and without skin reinforcement and when the concrete is made with and without steel fibres.

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Why is it important?

Strut behaviour is influenced by the use of fibrous concrete and skin reinforcement. Fibrous concrete and skin reinforcement improve the strength and ductility of bottle-shaped struts.