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This graph shows three distinct lines. The first line is solid green and is labeled G subscript hard plus 1.00 while the second line is solid blue and is labeled G subscript hard equals 0.05. The third and final line is solid red and is labeled G subscript hard equals 0.00. The vertical axis of this graph ranges from 0 to 50 and represents Stress (megapascals) while the horizontal axis of this graph ranges from 0.0 to 2.0 and represents Strain (percent). All three lines begin at the points of zero on both the vertical and horizontal axes. The green line runs diagonally across the graph in a steep line to the points of 50 on the vertical axis and 1.0 on the horizontal axis where it leaves the graph. The blue and red lines run one on top of the other as they slope upward to the points of 20 on the vertical axis and 0.8 on the horizontal axis where the two lines split. The blue line continues a gradually climb until it leaves the graph at the points of 23 on the vertical axis and 2.0 on the horizontal axis. The red line plateaus and runs straight off the graph at the points of 20 on the vertical axis and 2.0 on the horzontal axis.
FHWA-HRT-05-096
