Figure 50. Load-deflection curves calculated with perpendicular erosion are slightly more brittle than those calculated without perpendicular erosion. Graph.

This graph shows two distinct lines. The first is dotted green and is labeled With Perpendicular Erosion while the second is solid pink and is labeled Without Perpendicular Erosion. The vertical axis of this graph ranges from 0 to 60 and represents Force (kilonewtons) while the horizontal axis of this graph ranges from 0 to 200 and represents Deflection (millimeters). Both lines begin at the points of zero on both the vertical and horizontal axes. The dotted green line rises steeply to where it peaks at the points of 49 on the vertical axis and 50 on the horizontal axis. From there the red line slopes downward sporadically to the points of 16 on the vertical axis and 80 on the horizontal axis where it spikes in the slightest to the points of 20 on the vertical axis and 90 on the horizontal axis. The green line slopes down to the points of 8 on the vertical axis and 85 on the horizontal axis. From there the green line spikes up to the points of 14 on the vertical axis and 90 on the horizontal axis where it plateaus to the points of 14 on the vertical axis and 140 on the horizontal axis. The green line then drops off and runs off the graph at the points of 5 on the vertical axis and 200 on the horizontal axis. The pink line spike up slightly and then drops back down to the points of 14 on the vertical axis and 100 on the horizontal axis where it too plateaus and mimics the path of the green line off the graph.

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FHWA-HRT-05-096