Patent ID: 9598833
Date: 2017-03-21
CPC Classifications: E02D,E02F

Claim:
1. A bottom pile segment assembly having an overhead pipe pile engaged mode for receiving an overhead pipe pile in threaded engagement and a grout plug engaged mode for receiving a viscous, hardening material from a grout tube continuously during driving of at least a portion of the bottom pile segment assembly into soil to create a material/soil mixture jacket around at least a portion of the length of the bottom pile segment assembly penetrating the soil, the bottom pile segment assembly, comprising: a drivable coupler having a lower receiving feature and an upper receiving feature, the upper receiving feature having internal threads; a grout plug removably and threadably engaging the internal threads of the upper receiving feature of the drivable coupler when the bottom pile segment assembly is in the grout plug engaged mode, the grout plug also for receiving the grout tube in sealing engagement when the bottom pile segment assembly is in the grout plug engaged mode, after the grout plug is removed from sealing engagement with the grout tube, the grout plug is threadably removed from the drivable coupler so that the overhead pipe pile is threadably engageable with the drivable coupler, the bottom pile segment assembly is in the overhead pipe pile engaged mode when the overhead pipe pile in threaded engagement with the drivable coupler; and a bottom pile segment comprising: