Manual pipe jacking construction method

• Main Authors: ZHANG DAOBING, LIN WEIJIE, DUAN PENGCHANG, PENG CHENG, LONG MINGHUA, WANG HONGWEN, HAO WENBO, LIU YUNLONG, XIONG SHENG, LIU KAI, TANG YU, LIU WENTUO, PENG XUEJUN, DUAN LEI, HE LINYUN, ZHANG JIAHUA, YANG WEI, YANG XIBIN, AN FANGXIN, LING TAO
• Format: Patent
• Language: Chinese; English
• Published: 13.05.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention discloses a manual pipe jacking construction method which comprises the following steps: measuring and positioning, including axis positioning and elevation positioning; grouting in advance to consolidate the soil body in the pipe jacking range to form a water insulation belt; control piles are arranged, pile pits are excavated according to the arranged pile points, concrete bases are poured in the pile pits, the control piles are pre-buried, soil is backfilled in the pile pits and tamped, and protective parts are arranged on the pile pits corresponding to the areas outside the control piles; constructing a working well and a receiving well; the working well and the receiving well are constructed through a reverse construction method, and a drainage system communicating with the working well and the receiving well is constructed; constructing a pipe jacking rear seat; installing equipment; hoisting the tool pipe, jacking the tool pipe, and dredging the tool pipe; the pipe joints are hoisted, jac