SMALL BORE DRAIN PIPE BURIAL METHOD OF SOFT GROUND CONDITION

摘要

The present invention provides a small bore drain pipe burial method of a soft ground condition, which prevents disturbance of the surrounding ground on a small scale in a narrow road area and subsidence of the adjacent ground in accordance with a leakage of underground water, enables construction of a working hole which is an oscillating hole, and enables construction without a change in intensity of illumination on the internal surface of a drain pipe. According to an appropriate embodiment of the present invention, the small bore drain pipe burial method of a soft ground condition comprises the following steps of: (a) pressing a steel pipe in the ground; (b) depositing floor concrete; (c) installing an entrance; (d) propelling a plurality of reed pipes toward a manhole; (e) disassembling the reed pipes in order; (f) disassembling an auger in order; (g) disassembling a leading pipe; (h) removing a propeller from the working hole; (i) laying an aggregate on the floor of the working hole; and (j) installing a manhole within the working hole.;COPYRIGHT KIPO 2016