pc wall, modular underground structure that pc wall is applied using a support for gangbim, connection to the wall of the pc

The invention PC gangbim wall with the support, the PC is applied to a modular wall underground structures, it is for a method of connecting the PC walls. More specifically, in a precast wall, for the construction of underground structures, modular, hollow body portion having a through-hole formed in the height direction; And is inserted in the construction when the hollow hole for supporting gangbim for supporting said body; including, the support gangbim the inserted trunk number for the connected to each other in the longitudinal direction, to form a modular wall of the underground structure the support for gangbim relates to a PC using a wall support for gangbim characterized in that the re-use by drawing after the underground structure construction.