Compressive Capacity of Vortex-Compression Nodular Piles

Figure 6

Axial force transfer curve of 12 kinds of pile under the action of ultimate compressive load: (a) equal-section pile and nodular piles; (b) piles with one nodular part; (c) piles with two nodular parts; (d) piles with different nodular parts.

(a)

(b)

(c)

(d)