Modulus dispersion and attenuation in tuff and granite
- New England Research, Inc., White River Junction, VT (United States)
- Sandia National Labs., Albuquerque, NM (United States)
The effects of loading frequency, strain amplitude, and saturation on elastic moduli and attenuation have been measured in samples of the Topopah Spring Member welded tuff. Four different laboratory techniques have been used to determine Young`s modulus and extensional wave attenuation at frequencies ranging from 10{sup {minus}2} to 10{sup 6} Hz. The results are compared with data acquired for Sierra White granite under the same conditions. The modulus and attenuation in room dry samples remain relatively constant over frequency. Frequency dependent attenuation and modulus dispersion are observed in the saturated samples and are attributed to fluid flow and sample size. The properties of tuff were independent of strain amplitude in room dry and saturated conditions.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 138378
- Report Number(s):
- SAND--91-1926C; CONF-920634--3; ON: DE92005459
- Country of Publication:
- United States
- Language:
- English
Similar Records
The effect of saturation of the mechanical properties of tuff at Yucca Mountain
Effect of radiation on Topopah Spring tuff mechanical properties
Related Subjects
58 GEOSCIENCES
99 GENERAL AND MISCELLANEOUS
ACOUSTIC TESTING
ATTENUATION
DYNAMIC LOADS
ELASTICITY
ELECTRIC RESONANCE
FREQUENCY DEPENDENCE
GRANITES
HYSTERESIS
KHZ RANGE
MATHEMATICAL MODELS
MECHANICAL VIBRATIONS
PARTICLE SIZE
PIEZOELECTRICITY
POROSITY
RAYLEIGH WAVES
SLIDING FRICTION
STATISTICAL DATA
STRAINS
STRESSES
TUFF
WATER SATURATION
WAVE FORMS
YOUNG MODULUS
YUCCA MOUNTAIN
Yucca Mountain Project