The places where tie rod is mainly used are harbours and rivers. It is used in the foundations of wharf, embankment, and breakwater for ports, as well as embankment, dam, training wall, water gate, and breakwater for rivers.
There are several methods such as steel-sheet-pile construction method, steel-tubing-sheet-pile construction method, and steel-sheet-pile-two-fold wall construction method.
Tie rod takes important roles in the safety and the stability of structures, as it is used as stakes and props in the sheet-pile structured, sheet-pile wall and buttress, and as tension-materials between sheet piles.
■Two patches type
■Three patches type
■Four patches type