High pier and long-span continuous rigid frame aqueduct was used to stride across the gorge to accommodate water head,topography and geological conditions in long distance water diversion project in mountainous area.Based on the highway industry technology research on continuous rigid frame bridge,with the features of aqueduct,technical route of the combination of bridge and aqueduct was used for research on high pier and long-span continuous rigid frame in mountainous areas.Through joint research of the pa...