METHOD FOR INSTALLING PIPE MEMBER CONCERNING UNDERGROUND HEAT EXCHANGER TO EXCAVATION HOLE IN GROUND

摘要

PROBLEM TO BE SOLVED: To quickly submerge a pipe member to install in an excavation hole when submerging and installing the pipe member concerning an underground heat exchanger in which one pipe end is tightly sealed in the excavation hole including a first liquid such as a drilling water in a posture such that one pipe end is a lower end.

SOLUTION: There is provided the method for submerging and installing the pipe member concerning the underground heat exchanger in which one pipe end is tightly sealed in the excavation hole including the first liquid in a posture such that one pipe end is a lower end. The method includes a step of inserting and arranging a hose member in the pipe member from one pipe end over the other pipe end, and a step of submerging the pipe member in the excavation hole while supplying a second liquid to one pipe end through the hose member.

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