Meaning of gradeline | Babel Free

Definitions

A longitudinal reference line or slope to which a highway, railway, or other infrastructure is built. It defines the intended grade or slope of the structure, ensuring proper drainage, safety, and functionality.

Examples

“In valleys and depressions, embankments with side slopes of 1½ to 1, or about 33°, are raised to the grade line of the road; while the ridges and other prominences, occurring upon the route, are cut⟳ through to the same level, or grade line, leaving a surface width of 26 feet, and slopes upon the sides in the proportion of 1 to 1, or 45°.”

“Some soils, however, have⟳ a high water table, bedrock, or other obstacles that must be considered before the position of the gradeline is determined.”

“A good procedure is to first attempt⟳ to plot the gradeline on a topographic map, connecting the positive control⟳ points, and keeping the road at an acceptable grade.”

CEFR level