| 摘要 |
The present invention is a method for building an underground composite retaining wall comprising determining a position where a temporary retaining wall is installed in consideration of the outside line of the underground of a building, forming holes by means of a construction equipment such as an auger drill to drive in an H-section steel pile in each of the holes, and installing an earth plate between the H-section steel piles, thereby completing the installation of the temporary retaining wall; excavating a site in the interior of the temporary retaining wall; if the site excavation is completed, installing a fixing shear connecting means on the H-section steel pile; arranging reinforcing bars on an underground retaining wall; and installing a frame in the interior of the underground retaining wall, casting concrete in the frame and curing the concrete, thereby completing the formation of the underground retaining wall.
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