2. A grad of 1.5% intersects a grade of -2.5% at station 1+080 of elevation 68.94m. If the summit is located at 91.5m from the PC, find the length of the curve. Also, solve for the elevation of the curve at every 20m full station.

2. A grad of 1.5% intersects a grade of -2.5% at station 1+080 of elevation 68.94m. If the summit is located at 91.5m from the PC, find the length of the curve. Also, solve for the elevation of the curve at every 20m full station.

Residential Construction Academy: House Wiring (MindTap Course List)

4th Edition

ISBN:9781285852225

Author:Gregory W Fletcher

Publisher:Gregory W Fletcher

Chapter2: Hardware And Materials Used In Residential Wiring

Section: Chapter Questions

Problem 25RQ

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Concept explainers

Curve setting

A curve is a turn that is provided horizontally or vertically in the design of highways, railways, and runways. A curve connects two straight lines that are separated by the deflection angle. It helps to change the direction and alignment of the highways, railway tracks, and runways. Therefore, the gradual change in their alignment is made by using a curve to provide comfort to the passengers and this also provides an easy turn to change the direction of the moving vehicle.

Question

2. A grad of 1.5% intersects a grade of -2.5% at station 1+080 of elevation 68.94m. If the summit is
located at 91.5m from the PC, find the length of the curve. Also, solve for the elevation of the
curve at every 20m full station.

1. Show your COMPLETE solution in 3 decimal places.
2. Provide illustration and label accordingly.

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