2.3.
TERRAIN IRREGULARITIES
The roadbed compensates for minor terrain irregularities by filling in low spots, or fills,
and cutting through high spots, or cuts. The two types of cuts, sidehill and through, are
diagramed in figure 2.2. But where there are fills and cuts, there are slopes; and where there are
slopes, there are problems of erosion and stability. In the following subparagraphs, sidehill and
through cuts, fills, and slopes are discussed.
Figure 2.2. Kinds of Cuts.
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