Answered: elevation 854.00 ft at station 20 + 50.…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Grades of g1 = -2.50% and g2 = +1.50%, VPI elevation 850.00 ft at station 22 + 00, and a fixed elevation 854.00 ft at station 20 + 50.

Field conditions require a highway curve to pass through a fixed point. Compute a suitable equal-tangent vertical curve and full-station elevations. Give the elevations in order of increasing X

Express your answers in feet to five significant figures separated by commas.

### Highway Vertical Curve Computation

**Problem Statement:**

Field conditions require a highway curve to pass through a fixed point. Compute a suitable equal-tangent vertical curve and full-station elevations. Give the elevations in order of increasing \( X \).

#### Given Data:
- Grades of \( g_1 = -2.50\% \) and \( g_2 = +1.50\% \)
- VPI (Vertical Point of Intersection) elevation: 850.00 ft at station 22 + 00
- Fixed elevation: 854.00 ft at station 20 + 50

#### Calculation Objective:
Determine and express the required elevations in feet to five significant figures, separated by commas.

**Instructions:**
1. Use provided grade and elevation data to compute the necessary vertical curve.
2. Express answers clearly within the designated input field.

#### Input Field:
```plaintext
Elev = ______________ ft
```

*(Note: Five significant figures required for each elevation and separate each value by a comma.)*

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