Crumb rubber aggregate coatings/pre-treatments and their effects on interfacial bonding, air entrapment and fracture toughness in self-compacting rubberised concrete (SCRC)

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Acoustic properties of concrete panels with crumb rubber as a fine aggregate replacement (2014, methodology): “This is most likely due to the reduced ‘flowability’ of the larger particles which has been seen in previous work [30-33] which recommend using a higher w/c ratio for greater volumes of rubber in the mix.”
Experimental assessment and constitutive modelling of rubberised concrete materials (2017, unknown): “Hall [66] on 13 mixes with replacement ratios ρvr of 0-0.”
A comprehensive review on the mechanical properties of waste tire rubber concrete (2020, unknown): “…(iv) ﬂexural strength [24,29,45], (v) split tensile strength [19,21,29,46], (vi) modulus of elasticity [24,47,48], (vii) modulus of rigidity [21], (viii) abrasion resistance [12,24], (ix) fatigue life [43,49,50], (x) fracture energy and toughness [19,24,51], (xi) crack resistance [51–53]…”
Optimisation of rubberised concrete with high rubber content: An experimental investigation (2016, background): “Ca(OH)2 [46], silane coupling agents [47], organic sulphur compounds [48] or acid [40], as well as partial oxidation of the rubber surface [49], exposure to UV radiations [50] or pre-coating with cement [51], mortar [26], silica fume [39], limestone [52] or sand [45].”