verticality of cast insitu pile
verticality of cast insitu pile
(OP)
what is the procedure to check the verticality of bore hole of cast insitu 1200 mm dia R.C.C.Pile. boring is don by reverse rotary method.
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verticality of cast insitu pile
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RE: verticality of cast insitu pile
For a low-tech approach, you can build an inverted plumb bob. This looks like a cylindrical bird cage a little smaller than the hole, with skids or wheels on the sides. A string is attached to the center of the cage, and the cage is lowered down the hole by a pair of ropes. You can stop at any desired depth, attach a cylindrical buoy to the string, and adjust the string so the buoy is almost fully submerged. The center of the buoy is directly above the center of the hole at that depth. You can measure its distance from the sides of the hole in the N-S and E-W directions.
RE: verticality of cast insitu pile
Bob
RE: verticality of cast insitu pile