PROBLEM 1 A BACK TANGENT OF -3% WAS DESIGNED TO INTERSECT A FORWARD TANGENT OF +5% AT A PROPOSED UNDERPASS ALONG A HIGHWAY SO AS TO MAINTAIN A MINIMUM CLEARANCE ALLOWED UNDER A BRIDGE WHICH CROSSES PERPENDICULAR TO THE UNDERPASS. A 150 M CURVE LIES ON THE SIDE OF THE FORWARD TANGENT WHILE A 250 M CURVE LIES ON THE SIDE OF THE BACK TANGENT. THE STATIONING OF THE GRADE INTERSECTION IS 3 + 023 AND ITS ELEVATION IS 143 M. THE CENTERLINE OF THE BRIDGE FALLS AT STATION 3 + 073. THE ELEVATION OF THE UNDERSIDE OF THE BRIDGE IS 163.23 M. a.) FIND THE STATIONING OF THE LOWEST POINT OF THE UNDERPASS b.) FIND THE ELEVATION OF THE LOWEST POINT OF THE UNDERPASS c.) DETERMINE THE MINIMUM CLEARANCE OF THE BRIDGE IF IT HAS A WIDTH OF 10 M.

PROBLEM 1 A BACK TANGENT OF -3% WAS DESIGNED TO INTERSECT A FORWARD TANGENT OF +5% AT A PROPOSED UNDERPASS ALONG A HIGHWAY SO AS TO MAINTAIN A MINIMUM CLEARANCE ALLOWED UNDER A BRIDGE WHICH CROSSES PERPENDICULAR TO THE UNDERPASS. A 150 M CURVE LIES ON THE SIDE OF THE FORWARD TANGENT WHILE A 250 M CURVE LIES ON THE SIDE OF THE BACK TANGENT. THE STATIONING OF THE GRADE INTERSECTION IS 3 + 023 AND ITS ELEVATION IS 143 M. THE CENTERLINE OF THE BRIDGE FALLS AT STATION 3 + 073. THE ELEVATION OF THE UNDERSIDE OF THE BRIDGE IS 163.23 M. a.) FIND THE STATIONING OF THE LOWEST POINT OF THE UNDERPASS b.) FIND THE ELEVATION OF THE LOWEST POINT OF THE UNDERPASS c.) DETERMINE THE MINIMUM CLEARANCE OF THE BRIDGE IF IT HAS A WIDTH OF 10 M.

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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