REUSABLE DEBRIS TRAP Russian patent published in 1994 - IPC

FIELD: construction and operation of engineering structures on motor roads and railroads in mountains, especially in confined operating conditions. SUBSTANCE: debris trap contains blocking members and pocket of the trapping shelf combined in reusable netted-frame, wood- metal or plastic bunker-debris trap 1. Bunker side wall 2 and end wall 3 are vertical and end wall 4 is inclined to outside and is made removable or flap-type for freezing bunker 1 from fallen debris of rock 5. Removable bars 8 located on the side of vertical end walls 3 of bunker 1 serve to connect bunkers 1 to one another when they are installed in a row at the foot of slope 6. EFFECT: higher efficiency. 2 dwg