Assessment of the Effect of Replacing Normal Aggregate by Porcelinite on the Behaviour of Layered Steel Fibrous Self-Compacting Reinforced Concrete Slabs under Uniform Load

Table 10

Effect of steel fiber content (V_f)% on ultimate uniform load for -normal and lightweight concrete slabs.

Designation	Layer designation	Vf (%)	(MPa)	MPa	Density (kg/m^3)	Pu (kN)	Ultimate uniform load (MPa)	Percentage of increase
N	All layers	0	30.5	3.2	2336	74	0.321781	—	Normal weight
N/4F	Top layer	0	30.5	3.2	2336	104	0.452233	40.5
	Bottom layer	0.4	35.5	4.3	2377
N/8F	Top layer	0	30.5	3.2	2336	148	0.643562	100
	Bottom layer	0.8	38.1	5.3	2405
L	All layers	0	19	2.4	2008	58	0.252207	—	Light weight
L/4FL	Top layer	0	19	2.4	2008	82	0.356015	41.3
	Bottom layer	0.4	21.3	3.0	2045
L/8FL	Top layer	0	19	2.4	2008	124	0.538365	113.8
	Bottom layer	0.8	23.5	3.7	2080

Equivalent failure concentrated load.