DEVELOPMENT AND TESTING OF A NEW TYPE OF THIX SHIELD PROTOTYPE FOR TUNNEL DRIVING

ENTWICKLUNG UND ERPROBUNG EINES NEUARTIGEN THIXSCHILDPROTOTYPEN FUER DEN TUNNELVORTRIEB

UNITS OF EQUIPMENT ARE TO BE DEVELOPED AND TESTED FOR A NEW TYPE OF TUNNEL DRIVING WITH A THIX SHIELD, WHERE THE SOIL IN PART OF THE SECTION IS BROKEN DOWN AND THE WORKING FACE IS SUPPORTED BY A THIXOTROPIC LIQUID. THE TESTS INVOLVE THE CUTTING HEAD SUCTION DEVICE, THE PRESSURE WALL TO SUPPORT THE THIXOTROPIC LIQUID, CONTROL OF THE DISMANTLING UNIT, HYDRAULIC GRABBERS FOR THE ELIMINATION OF OBSTACLES.