. Bulletin of the Geological Society of America. Geology. l^'iGURE 4—Analysis of a Shear. Similarly the other couple would by itself tend to produce the distortion shown in figure 4b, again without change of area. Neither couple would have any tendency to change the volume. Acting simultaneously they would produce the distortion shown in figure 4c. Thus the effect of the balanced couples of figure 1 is exactly the same as that of a pressure accompanied by an equal traction as shown in figure Sb, and these different diagrams are merely different methods of representing one and the same strain—a
. Bulletin of the Geological Society of America. Geology. l^'iGURE 4—Analysis of a Shear. Similarly the other couple would by itself tend to produce the distortion shown in figure 4b, again without change of area. Neither couple would have any tendency to change the volume. Acting simultaneously they would produce the distortion shown in figure 4c. Thus the effect of the balanced couples of figure 1 is exactly the same as that of a pressure accompanied by an equal traction as shown in figure Sb, and these different diagrams are merely different methods of representing one and the same strain—a simple Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Society of America. [New York : The Society]
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1890
