Influence of Karst Caves at Pile Side on the Bearing Capacity of Super-Long Pile Foundation

Figure 9

Seismic displacement time history at pile foundations top with different lengths of karst caves. (a) H-1-T-1. (b) H-5-T-1. (c) H-5-T-6. (d) H-5-T-10.

(a)

(b)

(c)

(d)