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โ† SetsGeotechnical Engineering โ€” Set 4
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Geotechnical Engineering Practice Questions โ€” Set 4

10 free Geotechnical Engineering reviewer questions with answers and explanations. Pindutin ang sagot mo para makita agad kung tama โ€” kasama na ang paliwanag. Set 4 of 5.

31

A triaxial shear test is performed on a clay sample. If the major principal stress (ฯƒ1) at failure is 300 kPa and the minor principal stress (ฯƒ3) is 100 kPa, what is the 'Deviator Stress' (ฮ”ฯƒ) at failure?

32

Which of the following defines the 'Plastic Limit' (PL) of a soil and how is it determined in the laboratory?

33

A vertical retaining wall 4 meters high supports a dry sand backfill with a unit weight of 18 kN/mยณ and an angle of internal friction of 30ยฐ. Using Rankine's Theory, what is the 'Active Earth Pressure' (Pa) at the base of the wall?

34

What does the 'Coefficient of Curvature' (Cc) indicate in a soil grain-size distribution analysis?

35

Which of the following is the primary purpose of 'Soil Grouting' in a construction project?

36

A sand sample is in its 'Critical State' during a shear test. What does this mean for the soil's volume and shear strength?

37

In the Unified Soil Classification System (USCS), which test is required to distinguish between SILT (M) and CLAY (C)?

38

What is the primary function of a 'Geogrid' in a steepened slope or a reinforced soil wall?

39

Which of the following describes the 'Quick Condition' (or Boiling) in a sandy soil mass?

40

What is the primary advantage of a 'Triaxial Compression Test' over a 'Direct Shear Test'?