Building method for tunnel structures cover manner of construction using compressed air and building sole for carrying out the construction method

摘要

Building method for tunnel structures cover manner of construction using compressed air, comprising the steps of concreting of the building ceiling, excavation under the cover provided with compressed air, produce a structure the sole and the further removal of the tunnel building, characterized in that the building sole is curved away from the cover is installed, then the compressed air is switched off and the further removal is continued at a normal atmosphere.