Inclined shaft tunnel construction method and apparatus of

摘要

PURPOSE:To make it possible to excavate a diagonal tunnel efficiently and safely while preventing a shield machine from sliding and falling. CONSTITUTION:A tunnel wall of a diagonal tunnel T excavated by a cutter device 10, etc., on the front end of a shield machine S is covered with forms 40 at specific intervals. While driving forward the shield machine S in form of taking driving reaction force from the forms 40, a lining material is supplied between the forms 40 and the tunnel wall to line the tunnel wall.