STORAGE TANK IN ROCK BED AND CONSTRUCTION METHOD FOR THE SAME

摘要

PROBLEM TO BE SOLVED: To perform a fast and smooth working at a rock bed by a method wherein a scraping amount of a storage cave for use in burying a tank is reduced and the tank is easily moved within the storage cave. SOLUTION: There is provided a method in which a storage cave 2 is excavated in a rock bed 1 in such a direction as one inclined downwardly, then, a tank 3 is installed in the storage cave 2 while it is being moved on an inner wall surface of the storage cave 2 and lastly back-filling material 5 is flowed around the tank 3 for performing a work for the rock bed storing tank where the tank 3 is mounted at the rock bed 1.