| 摘要 |
<p>In a construction method of underground diaphragm wall, which a core beam (4) winded an endless chain (17) with a cutter bits is installed to a movable main body on the ground and the core beam is moved while excavating ground and discharging solidifier liquid into the ground with the core beam is inserted in the ground, a high quality underground diaphragm wall can be obtained efficiently for short period by a movement of said core beam includes a motion which makes said core beam turn centrally a supporting point installed said movable body.</p> |
