| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for temporarily burying a drilled hole for a buried pipe supporting a road surface accurately and improving the workability. SOLUTION: In a temporary burying method for temporarily back-filling a drilled hole 2 in the buried pipe laying work, a protective material 3a is provided on a pipe end 3, then a plurality of lower temporary buried bodies 5 are installed in the surrounding drilled hole 2. Bag bodies 6 expanded or shrunk by air pressure are inserted in a shrunk state between the lower temporary buried bodies 5, and the prescribed compressed air is fed to the bag bodies 6 to expand them, thus a lower layer temporary buried body 4 holding the lower section of the drilled hole 2 is installed. A horizontal partition plate 7 is horizontally provided on the lower temporary buried bodies 5, granular temporary fillers are filled and compacted on the partition plate 7 to form an upper temporary buried layer 8.
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