The prestressed hammer driven piles aided by water jetting were used as the substructure of a wharf, and transverse cracks were observed in the bodies of the five test piles.

• 摘要某码头工程下部结构采用预应力水冲锤击桩，试桩过程中发现，在贯入度较大的情况下桩身多处产生横向裂缝，使桩尖无法达到设计标高。