vertical curve


Also found in: Acronyms.

vertical curve

[′vərd·ə·kəl ′kərv]
(civil engineering)
A curve inserted between two lengths of a road or railway which are at different slopes.

vertical curve

A smooth parabolic curve in the vertical plane used to connect two grades of different slope to avoid an abrupt transition in passing from one to the other.
References in periodicals archive ?
The proposed project will lower the grade of the vertical curve on Route 20, optimize sight distance and improve the intersection alignment.
When Boccalandro crashed between the 12ft vertical curves she slid on the ice in front of her sled and that is what is so dangerous.
The second section, on site engineering and landscape construction, covers contour lines, grading and earthwork calculations, site drainage, alignment of horizontal and vertical curves, site and landscape construction details, plant material, and specifications.
The bridge s geometry includes horizontal and vertical curves, skew, dog-leg beams and superelevation.
POLTERGEIST consists of four inversions, 30 vertical curves and 25 compound horizontal curves.
Several different studies were carried out in order to predict operating speeds in different conditions such as horizontal curves, vertical curves and combinations of horizontal and vertical curves, tangent sections and prior to or after horizontal curves.
When an engineer designs a road, there are different types of constraints that the roadway has to accommodate, such as vertical curves, site distances, etc.
Furthermore, many of the existing vertical curves do not provide sufficient slopping sight distance along the roadway creating a very hazardous situation for drivers.
0 m, strengthen the construction, correcting horizontal and vertical curves,The construction of a roundabout at km 8 + 244 and 16 + 743 km,Implementation of footpaths in m.