Structure is reformed transform to power station dam dam foundation wash port

The utility model discloses a structure is reformed transform to power station dam dam foundation wash port, including following step: (1 )Measure the basic uplift pressure of dam foundation wash portposition department, (2 )When basic uplift pressure is greater than the design value, follows former horizontal drain hollow shaft and to carrying out raggle to former concrete, demolish former horizontal drain pipe, (3 )Backfill raggle with cement mortar to to plastering with cement mortar in groove both sides and bottom, form the escape canal, (4 )It handles to sweep the hole to former wash port, (5 ) auxiliary drainage hole is set up to the position that is greater than the design value in basic uplift pressure, at auxiliary drainage hole upper end opening part installation three -way pipe, wherein goes up the port and is provided with the end cover, and another port passes through the pipeline and is connected with the escape canal, the utility model discloses a reform transform current dam foundation wash po