DHARM
N-GEO\OBJ.PM5 899OBJECTIVE QUESTIONS 899
- (c)
- The ratio of settlement of pile group to that
of individual pile. - Winkler’s
- Coefficient of soil modulus variation
- Piles
- Mehra’s method of stabilization
- (i) Mechanical stabilization
(ii) Stabilization by drainage - (i) cement stabilization (soil-cement)
(ii) Bitumen stabilization - 2.5, 5.0
- soaking
- flexible pavements
- The maximum wheel load
- Sodium, Calcium
- Lignin
- True
- Natural, Synthetic
- aggregants, dispersants
- Test pits
- Penetration tests (Soundings) geo-physical
methods - Post-hole, helical
- Split-spoon sampler
- Area-ratio
- Seismic refraction, Electrical resistivity
- Seismic refraction
- Wenner, electrical resistivity
- much larger
- profiling, sounding.
- (a) Open caissons (b) Pneumatic caissons (c)
Box or floating caissons. - Sinking effort.
- Concrete seal.
- (b)
- (a)
- Compressed air pressure
- Pneumatic
- (c)
- sand island method
- Open
- Steining
- Well cap.
- Grip length
- Lazard’s
- Free rigid bulkhead
- I.R.C.
- The base of the well
- Shifts and tilts
- Soil Dynamics
- (a) Earthquakes (b) Blasts (c) Pile driving
(d) Machinery. - Number of cycles per unit of time; cycles per
second (Hertz) - Degree of Freedom.
- Simple Harmonic Motion.
- Amplitude
- Inversely
- Six
- Two
- Yawing; torsional
- True
- Coupled modes
- Natural frequency
- Forced
- Exciting
- True
- Resonance; amplitude
- Damping
- Internal/solid/structural.
- radiation/dispersion/geometric
- Negatively
- Response
- Operating or exciting frequency to the natu-
ral frequency - Magnification factor.
- Critical damping coefficient.
- Damping ratio or damping factor.
- Logarithmic decrement.
- (a) Constant-force amplitude excitation.
(b) Quadratic-excitation. - False.
- Constant-force amplitude excitation.
- False.
- Natural frequency.