Research on the Reuse of Discharged Soil from EBP Shield Tunnels in Synchronous Grouting Material

Table 5

Test results.

Number	Specific gravity	Stone shrinkage rate（%）			Consistency (cm)	Initial fluidity （cm）	3h bleeding rate（%）	Initial setting time （h）	Compressive strength (MPa)
		1d	7d	28d					7d
1	2.005	3.9	4.1	4.1	13.9	13.8	3.0	8.92	0.81
2	1.878	6.1	6.2	6.2	16.2	21.0	3.0	9.25	0.38
3	1.810	7.2	7.3	7.3	15.2	27.3	5.0	9.93	0.62
4	1.789	8.5	8.7	8.7	13.5	27.0	6.0	21.22	0.30
5	1.720	11.8	12.0	12.0	13.8	26.5	8.0	17.88	0.60
6	1.945	4.2	4.4	4.4	14.1	17.0	3.0	11.58	0.64
7	1.940	4.3	4.4	4.4	12.2	18.0	4.0	9.73	1.01
8	1.825	5.2	5.3	5.3	13.1	22.5	4.0	12.17	0.40
9	1.635	12.4	12.3	12.3	13.0	30.3	12.0	27.95	0.18
10	1.753	10.3	20.5	10.5	13.4	25.5	7.0	17.75	0.36
11	1.925	4.6	4.8	4.8	12.7	17.7	2.0	11.03	0.37
12	1.935	5.7	5.7	5.7	15.0	20.3	3.0	11.42	0.67
13	1.825	6.4	6.5	6.5	13.7	22.3	4.0	15.57	0.32
14	1.783	4.1	4.3	4.3	12.4	15.1	4.0	15.26	0.61
15	1.724	7.1	7.3	7.3	12.7	19.3	6.0	20.13	0.36