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Grade is usually expressed as a percentage, but this is easily converted to the angle α by taking the inverse tangent of the standard mathematical slope, which is rise / run or the grade / 100. If one looks at red numbers on the chart specifying grade, one can see the quirkiness of using the grade to specify slope; the numbers go from 0 for ...
Worked by adhesion between 1878 and 2001, currently out of service. 1 in 22. (4.5%) Balsam Mountain Grade. Balsam N.C. Balsam Mountain, home of highest railroad station east of the Rockies; average grade about 4.0%, max 4.5%. 1 of 2 grades on southern railways former Murphy branch that are +4% grade.
Drainage gradient (DG) is a term in road design, defined as the combined slope due to road surface cross slope (CS) and longitudinal slope (hilliness). Although the term may not be used, the concept is also used in roof design and landscape architecture . If the drainage gradient is too low, rain and melt water drainage will be insufficient.
Ruling gradient. The term ruling grade is usually used as a synonym for "steepest climb" between two points on a railroad. More simply, the steepest grade to be climbed dictates how powerful the motive power (or how light the train) must be in order for the run to be made without assistance. Even if 99% of the line could be run with a low ...
The profile is the vertical aspect of the road, including crest and sag curves, and the straight grade lines connecting them. The cross section shows the position and number of vehicle and bicycle lanes and sidewalks, along with their cross slope or banking. Cross sections also show drainage features, pavement structure and other items outside ...
Revenue for the quarter was $834.7 million, down 8%. The company reported a net loss of $59.4 million, translating into a loss of 25 cents per share, an improvement over a net loss of $70.7 ...
On the east slope of the Alleghenies, the tracks traverse remote mountainous terrain at a grade of about 1.8%. Roughly halfway up the westward ascent lies the Horseshoe Curve. Originally constructed by the PRR in 1854, the 220-degree curve was the solution for the railroad to gain enough elevation around a valley to reach the higher land across ...
When yield spreads widen between bond categories with different credit ratings, all else equal, it implies that the market is factoring more risk of default on the lower-grade bonds. For example, if a risk-free 10-year Treasury note is currently yielding 5% while junk bonds with the same duration are averaging 7%, then the spread between ...