Physics · Geotechnical Engineering
In the context of the soil classification system, what is the A-line equation in Casagrande's plasticity chart? (where Ip = plasticity index, wL = liquid limit)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Ip = 0.56 (wL - 20)
- 2Ip = 0.73 (wL - 20)✓
- 3Ip = 0.89 (wL + 30)
- 4Ip = 0.79 (wL - 20)
Correct answer
Ip = 0.73 (wL - 20)
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