A road bend which deflects 80° is to be designed for a maximum speed of 100 km per hour, a maximum centrifugal ratio of 1/4 and a maximum rate to the change, of acceleration of 30 cm/sec3. The curve consists of a circular arc combined with two cubic spirals. Calculate: (a) the radius of the circular arc, (b) the requisite length of transition, curve. (c) the total length of the composite curve, and

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Do please
A road bend which deflects 80° is to be designed for a maximum speed of 100 km per hour, a
maximum centrifugal ratio of 1/4 and a maximum rate to the change, of acceleration of
30 cm/sec®. The curve consists of a circular arc combined with two cubic spirals.
Calculate:
(a) the radius of the circular arc,
(b) the requisite length of transition, curve.
(c) the total length of the composite curve, and
(d) the chainages of the beginning and end of transition curve, and of the junctions of the transition
curves with the circular arc if the chainage of the P.I. is 42862 metres.
Transcribed Image Text:A road bend which deflects 80° is to be designed for a maximum speed of 100 km per hour, a maximum centrifugal ratio of 1/4 and a maximum rate to the change, of acceleration of 30 cm/sec®. The curve consists of a circular arc combined with two cubic spirals. Calculate: (a) the radius of the circular arc, (b) the requisite length of transition, curve. (c) the total length of the composite curve, and (d) the chainages of the beginning and end of transition curve, and of the junctions of the transition curves with the circular arc if the chainage of the P.I. is 42862 metres.
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Interior finishes for wood light frame construction
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.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Structural Analysis
Structural Analysis
Civil Engineering
ISBN:
9781337630931
Author:
KASSIMALI, Aslam.
Publisher:
Cengage,
Structural Analysis (10th Edition)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Sustainable Energy
Sustainable Energy
Civil Engineering
ISBN:
9781337551663
Author:
DUNLAP, Richard A.
Publisher:
Cengage,
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning