INSTALLATION METHOD FOR ROOT PUSH JACK

摘要

PROBLEM TO BE SOLVED: To provide an installation method for a root push jack capable of performing propulsion execution without generating cracks or breakage on a propulsion pipe wall for executing a jacking method in which cushion materials are fitted to joint sections of a propulsion pipe train. SOLUTION: The cushion materials are fitted to the upper and lower sections or right and left sections of the joint sections of a propulsion pipe train to execute a propulsion method in this installation method for the root push jack. The root push jacks are arranged at the upper and lower sections or right and left sections corresponding to the fitted positions of the cushion materials.