EXPORT ARRANGEMENT OF SEDIMENT CRUSHED STONE GENERATED IN TUNNEL CONSTRUCTION

摘要

PROBLEM TO BE SOLVED: To provide a belt conveyer arranged within a long tunnel for successively exporting sediment and crushed stone generated from a pit face of a tunnel construction to reduce a number of large truck for moving a tip of a conveyor belt forward along with a forward movement of the face pit to reduce a facility cost while constructing a belt receiving roller on a tunnel concrete wall surface already drilled and to perform a mobile work and a construction work of the belt receiving roller on the concrete wall effectively.;SOLUTION: A conveyor belt 1 is folded in the middle to be stored, the conveyor belt 1 stored is dispensed along with a forward movement of a pit face position, a front part of a tail piece truck 3 having a belt return vehicle of its tip is inclined, a receiving roller 3c is arranged on its front inclined surface 3b, and a conveyor belt lifting device 3d for lifting a belt to a middle and rear part of the tail piece truck 3, a gib crane device 3e for lifting a machinery and a work bench 3f are provided.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT