Comparative Study on Mechanical Properties of Concrete Blended with Costus englerianus Bagasse Ash and Bagasse Fibre as Partial Replacement for Lime and Cement

Table 1

Chemical and physical properties of lime and Costus englerianus bagasse.

Composition (%)	Limestone cement	Bagasse ash	Bagasse fibre
SiO2	20.36	64.85	56.78
Al2O3	5.15	5.36	6.73
Fe2O3	2.98	4.72	7.52
CaO	64.07	1.78	5.31
MgO	1.33	1.23	4.65
K2O	0.52	6.41	8.92
Na2O	0.2	1.02	4.17
MnO	—	0.05	0.94
TiO2	0.22	—	—
H2O	0.52	0.2	3.76
SO3	2.03	0.18	1.03
LOI	2.76	10.48	7.4
SiO2 + Al2O3 + Fe2O3	—	74.93	71.03
Density (g/cm^3)	3.11	2.16	2.25
Specific surface area (cm^2/mg)	3586	4727	2850.8