- Steel H-pile
- A steel pile with an H cross-section, driven by a piling rig to rock or to its set criterion.
- 工字樁(H樁)
- Pre-bored H-pile
- A hole is drilled through rock or obstructions first, then the H-pile is placed and driven home.
- 預鑽孔工字樁
- Rock-socketed pile
- The pile toe is socketed into rock for bearing, so the length follows rock head.
- 嵌岩樁
- Bored pile
- A cast-in-place pile: drill, lower the reinforcement cage, place tremie concrete.
- 鑽孔樁
- Hand-dug caisson
- Excavated and lined in stages, then reinforced and concreted.
- 挖孔樁
- Mini-pile / micropile
- A small-diameter drilled pile of bar or tube plus grout, for tight space or underpinning.
- 微型樁
- Steel casing
- A steel tube that supports the bore wall while drilling; some is withdrawn, some is left in.
- 鋼套管
- Tremie concrete
- Concrete placed from the bottom of the bore through a pipe, under water or slurry.
- 水下混凝土
- Rock head
- The top of sound rock. It varies pile by pile and can differ from the ground investigation.
- 岩面
- Splice / cut-off
- Welding on extra length when a pile is too short; cutting away the excess when it is too long. Offcuts must be booked.
- 接樁/截樁
- Piling record
- The record of each pile as driven: number, date, length and set.
- 打樁記錄
- Pile load test
- Loading a completed pile to confirm it carries what it should.
- 樁載荷測試