TUNNEL SPRAYING MACHINE AND TUNNEL CONSTRUCTING METHOD USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a tunnel spraying machine having lower manufacturing cost for performing mortar or concrete spraying work along with a muck loader performing work. SOLUTION: The spraying machine comprises a telescopic boom 3 having the maximum elongation of at least 15m or longer and provided on a crawler or tire travelling base 2 and a spray nozzle 6 turnably and rockingly held at the front end of the boom 3. Along with the tunnel spraying machine 1 performing spraying work, the muck loader 12 performs muck removing work using a space under the boom of the tunnel spraying machine 1. COPYRIGHT: (C)2006,JPO&NCIPI