Subway underground excavation station drainage and maintenance system

• Main Authors: PENG JIANHAI, SHI XUANTAO, GOU MINGZHONG, XU LIANG, ZHU HONGHAI, YU BO, HE XUSU, ZHOU MINGLIANG, LI KEZHI, LUO SHIPEI, LI HUI, XU QIAN, YUE YINGQIN, LIN GANG, ZHANG JIANXIANG, CHAI JIAYUAN, CHEN JUN, CHEN SIYANG, JIN NAIQI
• Format: Patent
• Language: Chinese; English
• Published: 08.08.2017
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The utility model provides stride subway underground excavation station drainage and maintenance system greatly for one kind to reduce the construction investment under the prerequisite that satisfies the tunnel water proofing requirement by a wide margin. The arch wall part is the composite lining structure including arch wall preliminary bracing and arch wall secondary lining. Set up the arch wall waterproof board between arch wall preliminary bracing, the arch wall secondary lining, set up the arch wall drain bar along station longitudinal separation between arch wall waterproof board and the arch wall preliminary bracing. Set up corner longitudinal drainage pipe in tunnel both sides foot of a wall position to the interval sets up horizontal water -drain mast of the foot of a wall and inspection -pit. Side joint inspection -pit in the horizontal water -drain mast of the foot of a wall, the outside then lead to the gutter in this side line bed. Hoop end and this side wall foot longitudinal drainage pipe int