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Title: Seismic characterization of fracture properties

Conference ·
OSTI ID:7260125
; ;  [1];  [2]
  1. Lawrence Berkeley Lab., CA (USA)
  2. Purdue Univ., Lafayette, IN (USA). Dept. of Earth and Atmospheric Sciences
+ Show Author Affiliations

The purpose of this paper is to show that there is a relationship, both empirical and theoretical, between the measured seismic response, the mechanical stiffness (also referred to as specific stiffness) of fractures and their hydraulic conductivity. Laboratory measurements of the mechanical stiffness, hydraulic conductivity and seismic properties of natural fractures are summarized. A theoretical model for the amplitude and group time delay for compressional and shear waves transmitted across a single fracture is presented. Predictions based on this model are compared with laboratory measurements. Finally, the results for a single fracture are extended to multiple parallel fractures. 13 refs., 6 figs.

Research Organization:
Lawrence Berkeley Lab., CA (USA)
Sponsoring Organization:
DOE/ER; DOE/RW
DOE Contract Number:
AC03-76SF00098
OSTI ID:
7260125
Report Number(s):
LBL-28333; CONF-900406-36; ON: DE90007759; TRN: 90-008036
Resource Relation:
Conference: International conference for high-level radioactive waste management, Las Vegas, NV (USA), 8-12 Apr 1990
Country of Publication:
United States
Language:
English

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Related Subjects

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
58 GEOSCIENCES
GEOLOGIC FRACTURES
MATHEMATICAL MODELS
PHYSICAL PROPERTIES
HIGH-LEVEL RADIOACTIVE WASTES
UNDERGROUND DISPOSAL
HYDRAULIC CONDUCTIVITY
CORRELATIONS
MECHANICAL PROPERTIES
SEISMIC EFFECTS
AMPLITUDES
CLOSURES
EXPERIMENTAL DATA
FLUID FLOW
SITE CHARACTERIZATION
STRESSES
THEORETICAL DATA
DATA
GEOLOGIC STRUCTURES
INFORMATION
MANAGEMENT
MATERIALS
NUMERICAL DATA
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
052002* - Nuclear Fuels- Waste Disposal & Storage
580000 - Geosciences