METHOD FOR PREVENTING CURVING IN DEEP-MIXING CONSTRUCTION METHOD

摘要

PURPOSE: To prevent curving from occurring when using a deep-mixing construction method by employing a very simple stabilizer at shaft portions above stirring blades. ;CONSTITUTION: In a deep-mixing construction method which comprises performing drilling deep into the ground using a double auger 1 having a plurality of stirring blades 5 provided on shaft portions 4 each having drilling blades 2 at its end, and mixing the earth drilled and a processing liquid from the end of the auger together by means of the stirring blades 5, and improving soil deep into the ground, a stabilizer 9 comprises a connector 11 having annular mounting members 10 on both sides by which a pair of shaft portion 4, 4 are freely rotatably connected to each other and semicircular stabilizing plates 12, 12 of the required height which are vertically connected to the outside of the respective mounting members 10. The stabilizer 9 is provided horizontally over the shaft portions 4 above the stirring blades 5. Curving that could be caused by inclination of the double auger 1 underground is prevented by the stabilizing plates 12, 12 on both sides.;COPYRIGHT: (C)1995,JPO