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Bond behaviour of multi-ply steel reinforced grout composites

Thermou, G. E.; De Santis, S.; de Felice, G.; Alotaibi, S.; Roscini, F.; Hajirasouliha, I.; Guadagnini, M.

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Assistant Professor in Structural Engineering

S. De Santis

G. de Felice

S. Alotaibi

F. Roscini

I. Hajirasouliha

M. Guadagnini


This paper presents an experimental investigation on Steel Reinforced Grout (SRG) systems comprising multiple layers of galvanized UHTSS textiles, with either 4 or 8 cords/in density, embedded within a geopolymer mortar. Lap-splice tests and single-lap bond tests were performed to develop an improved understanding of the textile-to-textile load transfer capacity and of the SRG-to-concrete substrate bond behaviour. The effects of number of textile plies, cord density and compressive strength of concrete on the bond behaviour are analysed.


Thermou, G. E., De Santis, S., de Felice, G., Alotaibi, S., Roscini, F., Hajirasouliha, I., & Guadagnini, M. (2021). Bond behaviour of multi-ply steel reinforced grout composites. Construction and Building Materials, 305, Article 124750.

Journal Article Type Article
Acceptance Date Aug 29, 2021
Online Publication Date Sep 8, 2021
Publication Date Oct 25, 2021
Deposit Date Mar 21, 2022
Publicly Available Date Sep 9, 2023
Journal Construction and Building Materials
Print ISSN 0950-0618
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 305
Article Number 124750
Keywords bond and interfacial stresses; digital image correlation (DIC); fabric reinforced cementitious matrix (FRCM); textile reinforced mortar (TRM); lap-splice test; shear bond test; strengthening.
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