HEAD PIPE DEVICE FOR SHIELD AND LEVEL CONTROL JACKING

摘要

A leading pipe apparatus for pressing and leveling is provided to prevent the propelling steel pipe from drooping and to make the precise construction possible. A leading pipe apparatus for pressing and leveling comprises a cylindrical leading pipe(204), a spray nozzle(212) and a water-leakage prevention plate(216). The cylindrical leading pipe Is connected a propelling steel pipe(202). The spray nozzle is mounted on the bottom part of the leading pipe and sprays the grouting mixture to the ground. The water-leakage prevention plate is protruded from the outer circumference of leading pipe.