If the highest stress applied during a 1D consolidation test is 3.2 kg/cm² during the unloading stage, then the stress should be reduced to
- A0 kg/cm²
- B1.6 kg/cm²
- C0.8 kg/cm²Correct
- DNone of these
Solution
Concept
Unloading stage
Step-by-step solution
1. Unload in steps, each to a quarter of the previous. 2. 3.2 kg/cm² → 0.8 kg/cm².
Explanation
Unloading is done in steps.
Why the other options are wrong
Reducing to 0 or 1.6 omits the step.
Shortcut
Unload to ¼.
Correct answer: C) 0.8 kg/cm²