A Calculation Method of Bearing Capacity of Single Squeezed Branch Pile Based on Load Transfer Method

Table 1

Suggested value of the lateral Earth pressure coefficient k.

Working conditions	k/(1−sinφ)	Data provider
Steel pipe piles, concrete piles, or H-shaped steel piles with smooth surface and a small settlement	0.7 to 1.2	Kulhawy [22]
Driven steel piles in alluvial deposit or fully weathered granite	1.2 to 1.5	Yang [23]