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Pull-out behaviour of single and multiple hooked-end steel fibres embedded in alkali-activated slag-based concrete and Portland cement concrete: Experimental and numerical investigation
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DOI：10.1016/j.cemconcomp.2026.106643.png)
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Abstract
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• Maximum pull-out load and fibre-matrix bond strength follow the order 5D > 4D > 3D • 3D, 4D and 5D fibres embedded in AASC show higher maximum pull-out load than in PCC • 4D fibres yield the highest fibre material utilization factor in both AASC and PCC • FEM-based inverse analysis is used to derive the fibre-matrix interface parameters
Keywords:
Alkali-activated concrete
Hooked-end steel fibres
Pull-out behaviour
Finite Element Modelling
Cohesive Zone Model
Inverse analysis
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