3.3 Vertical Alignment 53 ELEMENTS OF VERTICAL CURVE DESIGN An equal-tangent vertical curve is to be constructed between grades of -2.0% (initial) and +1.0% (final). The PVI is at station 110+ 00 and at elevation 420 ft. Due to a street crossing the roadway, the elevation of the roadway at station 112 + 00 must be at 424.5 ft. Design the curve.
3.3 Vertical Alignment 53 ELEMENTS OF VERTICAL CURVE DESIGN An equal-tangent vertical curve is to be constructed between grades of -2.0% (initial) and +1.0% (final). The PVI is at station 110+ 00 and at elevation 420 ft. Due to a street crossing the roadway, the elevation of the roadway at station 112 + 00 must be at 424.5 ft. Design the curve.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
100%
Handwritten answers pls. I don’t like the way the textbook solution did it, it’s confusing.
![From Eq. 3.3,
ELEMENTS OF VERTICAL CURVE DESIGN
An equal-tangent vertical curve is to be constructed between grades of -2.0% (initial) and
+1.0% (final). The PVI is at station 110+ 00 and at elevation 420 ft. Due to a street
crossing the roadway, the elevation of the roadway at station 112 + 00
must be at 424.5 ft. Design the curve.
The design problem is one of determining the length of the curve required to ensure that
station 112+00 is at elevation 424.5 ft. To begin, we use Eq. 3.1:
y = ax² +bx+c
esc
1
@
New Window New Private Window
14/
b=G₁ = -2.0
#3
A
MAR
26
3.3
$
4
iMessage
Vertical Alignment
%
5
tv
MacBook Pro
6
&
53
7](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F000815f0-84c8-4f4b-be5f-e80ebad381dd%2F5eca07fc-1c2c-47fe-8226-b085f1988c21%2Fvt3qps_processed.jpeg&w=3840&q=75)
Transcribed Image Text:From Eq. 3.3,
ELEMENTS OF VERTICAL CURVE DESIGN
An equal-tangent vertical curve is to be constructed between grades of -2.0% (initial) and
+1.0% (final). The PVI is at station 110+ 00 and at elevation 420 ft. Due to a street
crossing the roadway, the elevation of the roadway at station 112 + 00
must be at 424.5 ft. Design the curve.
The design problem is one of determining the length of the curve required to ensure that
station 112+00 is at elevation 424.5 ft. To begin, we use Eq. 3.1:
y = ax² +bx+c
esc
1
@
New Window New Private Window
14/
b=G₁ = -2.0
#3
A
MAR
26
3.3
$
4
iMessage
Vertical Alignment
%
5
tv
MacBook Pro
6
&
53
7
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Structural Analysis](https://compass-isbn-assets.s3.amazonaws.com/isbn_cover_images/9781337630931/9781337630931_smallCoverImage.jpg)
![Structural Analysis (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134610672/9780134610672_smallCoverImage.gif)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Principles of Foundation Engineering (MindTap Cou…](https://www.bartleby.com/isbn_cover_images/9781337705028/9781337705028_smallCoverImage.gif)
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
![Structural Analysis](https://compass-isbn-assets.s3.amazonaws.com/isbn_cover_images/9781337630931/9781337630931_smallCoverImage.jpg)
![Structural Analysis (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134610672/9780134610672_smallCoverImage.gif)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Principles of Foundation Engineering (MindTap Cou…](https://www.bartleby.com/isbn_cover_images/9781337705028/9781337705028_smallCoverImage.gif)
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
![Fundamentals of Structural Analysis](https://www.bartleby.com/isbn_cover_images/9780073398006/9780073398006_smallCoverImage.gif)
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
![Sustainable Energy](https://www.bartleby.com/isbn_cover_images/9781337551663/9781337551663_smallCoverImage.gif)
![Traffic and Highway Engineering](https://www.bartleby.com/isbn_cover_images/9781305156241/9781305156241_smallCoverImage.jpg)
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning