平行リンク掘削機構による矩形断面シールド掘進実験

抄録

The parralel link excavation mechanism is the one to make it possible to excavate various shaped sections such as oval, square and horse shoe shapes etc. Various sections can be excavated by round moving cutter combined with parralel link excavation mechanism.
This excavation experiment, using above square shield machine (1.04m×1.35m), clarified foundamental function, driving function and driving control etc. through the driving trial in various artificial layers (fine sand, hard sand, sand and gravel, sand and gravel with boulder).