Experimental Study of Reinforcing Broken Gangues by Colloid Cement Slurry

Table 2

Uniaxial compressive strength data of reinforcing cement pastes.

Age (d)	Number	Strength (Mpa)	Longitudinal strain (%)	Elastic modulus (GPa)
7	D1-1	7.8025	0.5080	1.4626
	D1-2	9.9049	0.4000	2.5284
	E1-1	13.6379	0.5200	2.5221
	E1-2	10.8159	0.5022	2.1749
	F1-1	10.5042	0.4613	2.3524
	F1-2	8.5322	0.4387	1.6881
14	D2-1	9.1734	0.4951	2.2623
	D2-2	9.1218	0.4865	1.9652
	E2-1	14.5271	0.5420	2.7108
	E2-2	13.8964	0.5824	2.7477
	F2-1	10.0374	0.4840	2.1076
	F2-2	10.9881	0.4785	2.5469
21	D3-1	12.1067	0.4962	2.4531
	D3-2	12.2997	0.5336	2.6467
	E3-1	15.9401	0.5464	3.4712
	E3-2	19.4213	0.7446	3.2349
	F3-1	11.2812	0.5220	2.2047
	F3-2	11.0595	0.4884	2.6645
28	D4-1	15.7156	0.6953	3.1652
	D4-2	15.0642	0.5069	3.4697
	E4-1	18.6444	0.7153	3.1075
	E4-2	23.6454	0.6713	4.0035
	F4-1	14.1851	0.5394	2.9847
	F4-2	12.9801	0.5071	2.6289