Object: To draw Cross-sections of a proposed road from obtained level data.
Theory:
The term cross-section generally refers to a relatively short profile view of the ground, which is drawn perpendicular to the route centerline of a highway or other types of linear projects. Cross-sectional drawings are particularly important for estimating the earth volumes needed to construct a roadway; they grade elevation for the road base.
Instruments required:
Field book, Graph sheet, Pencils, etc.
Procedure:
- There is no difference in procedure between profile and cross-sectional leveling except for the form of field notes.
- Cross-section rod shots are usually taken during the route profile survey in the same instrument positions used to take rod shots along the centerline.
- Cross-section data are obtained at the same locations along the route that are used for the profile rod-shot stations.
Result:
The Cross-sectioning is carried out as specified and the obtained level data is used to plot the profile on a Graph sheet in MS Excel.
Cross-sections of road at Textile Engineering Department
Station 1 (L), Station 2 (C), Station 3 (R):
Station 4 (R), Station 5 (C), Station 6 (L):
Station 7 (L), Station 8 (C), Station 9 (R):
Station 10 (R), Station 11 (C), Station 12 (L):
Station 13 (L), Station 14 (C), Station 15 (R):
Station 16 (R), Station 17 (C), Station 18 (L):
Station 19 (L), Station 20 (C), Station 21 (R):
Station 22 (R), Station 23 (C), Station 24 (L):
Station 25 (L), Station 26 (C), Station 27 (R):
Station 28 (R), Station 29 (C), Station 30 (L):
Station 31 (L), Station 32 (C), Station 33 (R):
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EXCEL
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