Bond Strength between Hybrid Fiber-Reinforced Lightweight Aggregate Concrete Substrate and Self-Compacting Concrete as Topping Layer

Table 2

Mixture proportion of HyFRLWAC as stay in-place formwork (substrate layer).

Material	(kg/m^3)
Water	225.00
Portland cement	455.00
Silica fume	45.00
Coarse aggregate (pumice breccia)	606.81
Fine aggregate (sand)	538.52
Viscoflow	4.70
Plastiment VZ	0.70
Polypropylene	0.90
Steel fiber	67.00