Computer · Geotechnical Engineering
One of the design criteria for a protective filter is D15(filter)D85(protected material) < 5. This criterion ensures:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1no significant invasion of particles from the protected material into the filter✓
- 2development of piping condition
- 3loss of sufficient head during flow through filters
- 4that the filter removes all soil particles
Correct answer
no significant invasion of particles from the protected material into the filter
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