Research Article

Characteristics of Gravelly Granite Residual Soil in Bored Pile Design: An In Situ Test in Shenzhen

Figure 10

Relationship between SPT-N and the ultimate unit shaft resistance (qsu) and ultimate unit base resistance (qbu) in the granite residual soil of all piles. (a) qsu versus N. (b) qbu versus N.
(a)
(b)