During a Standard Penetration Test (SPT), unusually low blow counts are encountered in a soil expected to be medium-dense to dense sand. This is a indication that the following condition is most likely present: Cobbles are encountered O a O The sampler drive shoe is plugged The groundwater in the borehole is much lower than in situ conditions immediately outside the borehole The sample drive shoe is badly damaged or worn due to too many drivings to refusal
During a Standard Penetration Test (SPT), unusually low blow counts are encountered in a soil expected to be medium-dense to dense sand. This is a indication that the following condition is most likely present: Cobbles are encountered O a O The sampler drive shoe is plugged The groundwater in the borehole is much lower than in situ conditions immediately outside the borehole The sample drive shoe is badly damaged or worn due to too many drivings to refusal
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:During a Standard Penetration Test (SPT), unusually low blow counts are encountered in a soil expected to be medium-dense to dense sand. This is a indication that
the following condition is most likely present:
Cobbles are encountered
O a
O The sampler drive shoe is plugged
The groundwater in the borehole is much lower than in situ conditions immediately outside the borehole
The sample drive shoe is badly damaged or worn due to too many drivings to refusal
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