engineering recuitment JSSC JE Mock Test 2023 Soil Mechanics and Foundation Engineering Consolidation
Sand drains are proposed for the construction of an embankment over a highly compressible clay layer for a railway line. Identify the incorrect statement pertaining to it.
1
Consolidation is due to horizontal drainage rather than vertical radial drainage
2
Post construction settlement is greatly reduced
3
Sand drains have inability to control secondary compression in soil.
4
Sand drains installed in the clay accelerate the consolidation