Strength Assessment of Broken Rock Postgrouting Reinforcement Based on Initial Broken Rock Quality and Grouting Quality

Table 5

Test results of growth rate of shear strength parameters for broken rock grouting reinforcement.

Broken rock type/water cement ratio of grout		Shear strength parameters
		Broken rock grouting concretion		Original broken rock
	F/0.7	0.076	2.381	0.592	0.291			0.413	7.182	0.433
F/0.9	0.120	1.930	0.540	0.291	0.413	5.632	0.308
F/1.1	0.164	1.694	0.533	0.291	0.413	4.8213	0.291
F/1.3	0.243	1.625	0.513	0.291	0.413	4.584	0.242
M/0.7	0.179	2.616	0.696	0.634	0.504	3.126	0.381
M/0.9	0.283	2.140	0.658	0.634	0.504	2.375	0.306
M/1.1	0.388	1.834	0.649	0.634	0.504	1.8934	0.288
M/1.3	0.574	1.782	0.623	0.634	0.504	1.811	0.236
R/0.7	0.337	2.759	0.864	1.039	0.661	1.655	0.307
R/0.9	0.532	2.299	0.817	1.039	0.661	1.213	0.236
R/1.1	0.728	1.999	0.809	1.039	0.661	0.924	0.224
R/1.3	1.078	1.930	0.792	1.039	0.661	0.858	0.198