A Study on the Flexural Behaviour of Geopolymer Lightweight Eco-Friendly Concrete Using Coconut Shell as Coarse Aggregate

Table 9

Comparison of deflection with the Indian standard code.

Beam ID	Experimental deflection (Δ exp)	Permissible deflection (Δ per) as per IS465-2000	(Δ exp)/(Δ per)	Span (Δ exp)
Singly reinforcement beam
GPCSC-S1	16.82	11.67	1.44	166.47
GPCSC-S2	18.99	11.67	1.63	147.45
GPCSC-S3	28.99	11.67	2.48	96.59
GPCC-S1	11.87	11.67	0.96	235.89
GPCC-S2	12.34	11.67	1.06	226.90
GPCC-S3	25.99	11.67	2.23	107.73
Doubly reinforcement beam
GPCSC-D1	29.45	11.67	2.52	95.08
GPCSC-D2	43.44	11.67	3.72	64.46
GPCSC-D3	53.45	11.67	4.58	52.39
GPCC-D1	25.22	11.67	2.16	111.02
GPCC-D2	35.45	11.67	3.04	78.98
GPCC-D3	45.45	11.67	3.89	61.61