Effect of Steel Fibres and Low Calcium Fly Ash on Mechanical and Elastic Properties of Geopolymer Concrete Composites

Table 12

Modulus of elasticity and shear modulus using Halpin Tsai equations [1].

𝑉𝑓	𝜂𝐿; Equation (15)	𝜂𝑇; Equation (16)	𝐸𝐿 (GPa); Equation (13)	𝐸𝑇 (GPa); Equation (14)	𝐸𝑅 (GPa); Equation (17)	𝐺𝑅 (GPa); Equation (18)	𝐸fc (GPa); Equation (19)
0.0	0.063	0.694	26.87	26.87	26.87	10.07	26.874
0.1	0.058	0.675	46.02	35.24	93.28	14.56	35.353
0.2	0.054	0.661	64.40	44.63	52.04	19.21	41.632
0.3	0.058	0.678	80.22	50.81	61.84	22.73	43.286
0.4	0.059	0.681	97.66	60.25	74.28	27.27	44.568
0.5	0.060	0.683	115.71	71.70	88.21	32.39	44.106