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. 摘要某碼頭工程下部結構采用預應力水沖錘擊樁,試樁過(guò)程中發(fā)現,在貫入度較大的情況下樁身多處產(chǎn)生橫向裂縫,使樁尖無(wú)法達到設計標高。