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Henry Newman
Water resource engineer
Asked a question 2 years ago

If we reduce water content below the shrinkage limit of soil, What will happen in the pore of soil?

If we reduce water content below the shrinkage limit of soil, What will happen in the pore of soil?

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shrinkage limit is the maximum water content at which if we reduce water content further than soil volume doesn’t change,

we can also say that at shrinkage limit, water is in just saturated stage.

let’s see the graph of water content and volume change with shrinkage limit

If we reduce water content below the shrinkage limit of soil, What will happen in the pore of soil?

ws= shrinkage limit

wp= plastic limit

wl=liquid limit

at below shrinkage water content water is spill out/remove from voids of soil and that voids fill with the air. Hence voids doesn’t change, so volume doesn’t change. and soil become 3 phase structure air, water and solid particles.