Method for installing inverted siphon in canal tunnel

• Main Authors: SHI HONGCHAO, TANG BAOQUAN, LIU HAIBO, WANG DONG, ZHAO RUISHENG, HE SHIMEI, SU CHUNSHENG, ZHENG BIN, ZHANG XINGDAO, GUO JIANQIANG
• Format: Patent
• Language: Chinese; English
• Published: 17.01.2023
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SEPARATION; TRANSPORTING

The invention discloses a method for installing an inverted siphon in a canal tunnel, and relates to the technical field of inverted siphon installation. The installation method comprises the following steps: step 1, construction preparation: knowing water quality and soil texture conditions according to water quality and geological reports, performing construction measurement, adopting a straw bag cofferdam, building straw bags on two sides and returning soil in the middle, adopting mechanical foundation pit excavation according to a certain gradient, draining water by a water pump, performing cushion layer construction after pit digging is completed, performing foundation paying-off on a cushion layer, and performing foundation construction; steel bars are bundled, and formworks are erected; 2, pipe joints are installed, specifically, parallel pipes, descending pipes, ascending pipes and bent pipes of proper specifications are selected according to construction requirements, and the parallel pipes, the desc