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Stresses in rock outcrops near Atlanta, Ga
Secondary principal stresses in horizontal plane near surface are compressive and are 500 to 3000 psi; maximum compressive stress is northeast-southwest in Stone Mountain-Lithonia district but changes to northwest-southeast near Douglasville; elastic constants were determined from data obtained by static and dynamic laboratory methods and in situ velocity measurements; results show Young's modulus to be dependent upon both stress level and anisotropy in rock; average secant moduli obtained from triaxial tests were used to compute applied stress from borehole deformation measurements.
Stresses in rock outcrops near Atlanta, Ga
Secondary principal stresses in horizontal plane near surface are compressive and are 500 to 3000 psi; maximum compressive stress is northeast-southwest in Stone Mountain-Lithonia district but changes to northwest-southeast near Douglasville; elastic constants were determined from data obtained by static and dynamic laboratory methods and in situ velocity measurements; results show Young's modulus to be dependent upon both stress level and anisotropy in rock; average secant moduli obtained from triaxial tests were used to compute applied stress from borehole deformation measurements.
Stresses in rock outcrops near Atlanta, Ga
U S Bur Mines -- Report Investigations
Hooker, V.E. (author) / Duvall, W.I. (author)
1966
18 pages
Report
English
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