Computer · Geotechnical Engineering
Due to the remolding of soil, a smear zone is formed around the sand drain during its construction. Select the correct statement about the smear zone:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The clay in the smear zone has time-dependent excess pore pressure on the inner boundary.
- 2An increase in the coefficient of permeability in the radial direction occurs due to remoulding.
- 3The radial distance from the center line of the drain well to the farthest point on the smear zone is equal to the radius of the smear zone.✓
- 4The clay in the smear zone has zero excess pore pressure on the outer boundary.
Correct answer
The radial distance from the center line of the drain well to the farthest point on the smear zone is equal to the radius of the smear zone.
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