An instrument is set-up at point A and vertical angles are observed at B -21º15' and C +33º45'. The height of instrument from point A = 1.5865m. The horizontal distance of BA and BC are 350.2552m and 904.5565m respectively. If point C is at elevation 620.6453m; a. Determine the elevation of B neglecting the effects of the curvature and refraction. b. Determine the elevation of the B making due allowance for the curvature and refraction,

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

An instrument is set-up at point A and vertical angles are observed at B -21º15' and C +33º45'. The height of instrument from point A = 1.5865m. The horizontal distance of BA and BC are 350.2552m and 904.5565m respectively. If point C is at elevation 620.6453m;

a. Determine the elevation of B neglecting the effects of the curvature and refraction.

b. Determine the elevation of the B making due allowance for the curvature and refraction,

Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
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