Waterproof node of civil air defense channel

The utility model relates to the field of civil air defense channels, and discloses a civil air defense channel waterproof node which comprises a ground layer, a channel is formed in the ground layer, a supporting layer is arranged on the inner wall of the channel, a waterproof layer is arranged on the side, away from the inner wall of the channel, of the supporting layer, and an inserting hole is formed in the waterproof layer in a penetrating mode. Reinforcing steel bars are inserted into the inserting holes, penetrate through the waterproof layer and the supporting layer and are inserted into the ground layer, and a first waterproof polystyrene foam layer used for sealing the inserting holes is arranged between the waterproof layer and the reinforcing steel bars. The civil air defense channel has the effect of improving the waterproofness of the civil air defense channel. 本申请涉及人防通道的领域，公开了一种人防通道防水节点，其包括地层，所述地层内开设有通道，所述通道内壁上设置有支撑层，所述支撑层远离所述通道内壁的一侧设置有防水层，所述防水层上贯穿开设有插接孔，所述插接孔内插接有钢筋，所述钢筋贯穿所述防水层与所述支撑层并扎入所述地层内，所述