Highlights
A contour map of a rural area is attached. Your group is asked to design a two-lane road between A and B. The scale of the drawing is 1:50 000.
Trace the road on the plan view with contours in an A2 size paper considering the maximum allowable grade of 6%, maximum cut/fill the height of = 6m, and other related information.
Draw the ground profile along the selected trace on the same Recommended scales: Horizontal 1: 50 000; Vertical 1: 20 000.
Draw the proposed road profile on the same
Draw cross-sections of a road on selected locations and indicate them on plan (You may draw at least one cut section and one fill section)
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Flexible Pavement |
Two 3.3 m lanes |
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Shoulder |
2.0 m each side - Gravel |
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Cross-falls on tangent |
2.5% traffic lanes 4% shoulders |
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Side Slopes |
4:1 in cut 6:1 in fill |
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