Optimization Analysis of Settlement Parameters for Postgrouting Piles in Loess Area of Shaanxi, China

Table 6

Reference value of ϕ for different distance ranges from the pile end.

Distance from pile end (m)	0∼0.25 m	0.25∼0.75 m	0.75∼1.25 m	>1.25 m
Φ	7.5∼20	2.5∼10.5	1.2∼5.5	1