Development of Modified Grouting Material and Its Application in Roadway Repair Engineering

Table 6

Range analysis table of mechanical properties of slurry stone.

Test items		Mean and range			Primary and secondary factors	Optimal combination
		A	B	C
Compressive strength of 1 h		3.287	2.297	2.243	ABC	A1B1C1
		1.060	1.507	1.573
		0.460	1.003	0.990
		2.827	1.294	1.253
Compressive strength of 24 h		7.330	5.483	5.490	ABC	A1B1C1
		3.477	4.313	4.277
		2.433	3.443	3.473
		4.897	2.040	2.017
Compressive strength of 3 d		11.237	8.093	8.340	ACB	A1C1B1
		5.677	7.150	7.097
		4.357	6.027	5.833
		6.880	2.066	2.507
Compressive strength of 28 d		18.675	14.157	15.620	ACB	A1C1B3
		13.193	13.763	14.253
		10.640	14.570	12.617
		8.017	0.807	3.003