- 2076 Chaitra · 2 marks
Define grip length, tilt and shift
Short answer
Grip length: depth below max scour level, ≥1/3 of max scour depth. Tilt: inclination of well axis from vertical, permissible 1 in 80. Shift: lateral displacement of the well centre from design position, permissible about 150 mm.
Define grip length and tilt and shift of well.
- Grip length: the depth of a well foundation below the maximum scour level; at least one-third of the maximum scour depth. It gives the lateral stability of the well.
- Tilt: the inclination of the axis of the well from the vertical, which occurs during sinking because of uneven dredging or obstructions; the permissible tilt is 1 in 80.
- Shift: the lateral displacement of the centre of the well from its designed position, at the base or at the top; the permissible shift is about 150 mm.
✓ Answer checked by Claude Sonnet 5.5
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