PREFABRICATED TUNNEL VENTILATION STRUCTURE, PREFABRICATED TUNNEL VENTILATION MAKING METHOD AND PREFABRICATED TUNNEL VENTILATION CONSTRUCTION METHOD

摘要

PURPOSE: A prefabricated tunnel ventilation structure, a prefabricated tunnel ventilation making method and a prefabricated tunnel ventilation construction method are provided to make economic tunnel ventilating method by reducing the construction cost according to the ventilating structure construction. CONSTITUTION: A prefabricated tunnel ventilation structure comprises a pair of key blocks(110a,110b), an air duct bottom slab(120), a prefabricated partition wall(150) and an air controller. A pair of key blocks protrudes to the inside from the both upper ends of a tunnel lining which forms the wall of a tunnel structure(102). The air duct bottom slab is supported so that both ends slide on the key block. The air duct bottom slab has an air supply damper(196) and an air exhaust damper(198). The prefabricated partition wall divides an air supply air duct(122) and a ventilation manner(125). The air controller comprises an air supply fan and an air exhaust fan.