[Retracted] Realization of Super-Large-Diameter Slurry Shield Passing through Settlement-Sensitive Area Based on Unreinforced Disturbance Control Technology

Table 2

Synchronous grouting ratio and performance parameters.

P. O42.5 cement (kg)	Grade II fly ash (kg)	Bentonite (kg)	Fine sand (kg)	Water-reducing agent (kg)	Drinking water (kg)	Setting time (h)	Decantation rate (%)	Stone rate (%)	Consistency (cm)	Final setting strength (MPa)
200	200	80	1250	5.3	470	6	3	97	11	3.9