The circular spiral plate screwed into the ground to a predetermined depth, the carrier load is applied to the coil plate by dowel plate while measuring load test coil Settlement.
The circular spiral plate is screwed into the predetermined depth of the ground, the load is applied to the helix plate by the transfer lever, and the load test of the helix plate settling is measured.
Screw the circular spiral plate into the predetermined depth of the ground, apply the load to the spiral plate through the dowel bar, and measure the load test of the spiral plate settlement at the same time.<br>