Civil Engineering - Building Construction - Discussion

Discussion Forum : Building Construction - Section 1 (Q.No. 32)

Building Construction

32.

During percussion drilling

ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole

caving or mixing of strata are caused in soft soils or cohesionless soils

the soil to a considerable depth below the bottom of the hole gets disturbed

all the above.

Answer: Option

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