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This work develops the theory of measuring fracture frequency with curved scanlines, as a direct development of work done by others on straight scanlines. Various possible shapes for curved scanlines range between triangular and rectangular, with circular as a reasonable preliminary selection. The discrepancy among different selections decreases with increasing roughness amplitude of the scanline. Analytic solutions for average fracture frequency are given for circular scanlines through single and multiple fracture sets. Results for single fracture sets are plotted. The analytic solution for the general situation of any shape scanline through multiple fracture sets is given. Analytic solutions are given and plotted for circular scanlines through a fracture fabric ellipsoid. A circular scanline spanning 180 degrees yields a global fracture frequency of statistical significance. 相似文献
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This work develops the theory of measuring fracture frequency with curved scanlines, as a direct development of work done
by others on straight scanlines. Various possible shapes for curved scanlines range between triangular and rectangular, with
circular as a reasonable preliminary selection. The discrepancy among different selections decreases with increasing roughness
amplitude of the scanline. Analytic solutions for average fracture frequency are given for circular scanlines through single
and multiple fracture sets. Results for single fracture sets are plotted. The analytic solution for the general situation
of any shape scanline through multiple fracture sets is given. Analytic solutions are given and plotted for circular scanlines
through a fracture fabric ellipsoid. A circular scanline spanning 180 degrees yields a global fracture frequency of statistical
significance.
This work was carried out under U.S. Department of Energy Contract No. DEAC03-76SF00098 for the Director, Office of Civilian
Radioactive Waste Management, Office of External Relations, and was administered by the Nevada Operations Office, U.S. Department
of Energy. This work also was supported partially by the Power Reactor and Nuclear Fuel Development Corporation of Japan. 相似文献
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D. W. Vasco Charles Wicks Jr Kenzi Karasaki Osni Marques 《Geophysical Journal International》2002,149(3):555-571
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