1. Under what conditions can soils be chemically stabilized?
2. What errors can occur in density testing?
3. What errors can occur in measuring percent compaction?
4. What must a contractor do if soil is placed and cannot be compacted to required levels?

a). Plasticity Index :A soil with a high value of plasticity Index is not good for various engineering projects. The introduction of line helps in reducing plasticity due cation exchange reaction.Pozzolanic reaction over time reduces plasticity and increase index strength due to the formation of calcium - silicate hydrate.

1. Under what conditions can soils be chemically stabilized? 2. What errors can occur in density testing? 3. What errors can occur in measuring percent compaction? 4. What must a contractor do if soil is placed and cannot be compacted to required levels?

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1. Under what conditions can soils be chemically stabilized?
2. What errors can occur in density testing?
3. What errors can occur in measuring percent compaction?
4. What must a contractor do if soil is placed and cannot be compacted to required levels?