01 July 1997
(1) The jack is set on the reaction standard for the installation of the first two sheet piles.
(2) The jack moves by elevating its travel carriage while supporting itself on the last installed pile.
(3) The travel carriage then slides forward.
(4) The travel carriage lowers itself and drops onto the installed sheet piles and continues its hydraulic
installation process. After the third or fourth piles are driven, the jack moves off the
reaction stand and travels independently on the piles.
Figure 3-11. Pile jacking device.