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

Table 1

Basic physical properties of shield muck.

Soil sample	Water content (%)	Wet density (g)	Dry density (g)	Specific gravity	Plasticity limit (%)	Liquid limit (%)	Plasticity index	Void ratio	Degree of saturation
Silty clay	18.76	2.055	1.722	2.634	13.25	24.468	11.218	0.788	63.3
Fine sand	4.83	1.928	1.836	—	—	—	—	—	—