3. A grade of -5% grade intersects a grade of 0%. P.C. has a STATION of 10 + 110.00 which has an elevation of 300MASL. These two center gradelines are to be connected by a 200 meter symetrical vertical parabolic curve. A) What is the station and elevation of the LOWEST point of the vertical curve. B) What is the station and elevation of P.T.

3. A grade of -5% grade intersects a grade of 0%. P.C. has a STATION of 10 + 110.00 which has an elevation of 300MASL. These two center gradelines are to be connected by a 200 meter symetrical vertical parabolic curve. A) What is the station and elevation of the LOWEST point of the vertical curve. B) What is the station and elevation of P.T.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

An underpass crossing a reinforced concrete bridge has a downward grade of -4% meeting anupward grade of +8% at the vertex with elev. 76 m and stationing 7+766 exactly underneath thecenterline of the bridge having a width of 10m. if the minimum required clearance under thebridge is 5m and the elevation at the bottom bridge is 78.16 m, determine the length ofparabolic curve that shall connect the two gradelines.
Two grade lines, SE and EA, having a slope of +4.5% and -2.8% respectively intersect at point E. Given elevations of points S, E, and A at 94.30m, 101m, and 96.5m respectively, determine the elevation of the summit of the 120m parabolic vertical curve to connect the grade lines.
A-3.3% grade meets a +7.4% grade at a vertex (El. 139.57m) directly under an overpass bridge having underside elevation of 150.31 m. A 6.5 meters clearance under the bridge and the center of the curve was observed. Determine the vertical clearance at the right edge of a 13.1 meters bridge from the curve in meters. ASAP!
a downgrade of 3.20 meets an upgrade of 4.6 at Sta. 73+180 where the elevation is 998m. A parabolic curve AB, 440m long, connects the grade lines from A at the downgrade B at the upgrade. Find the stationing of B.
1.) A -2.6% grade meets a +4.8% grade near an underpass. To maintain the minimum clearance allowed under the bridge and at the same time introduce a vertical transition curve in the grade line, it is necessary to use a curve that lies 240m on one side of the vertex of the straight grade and 115m on the other. The station of the beginning of the curve, PC, is 18 + 612 and its elevation is 415.81m. a. Determine the elevation at station 18 + 672. b. Determine the stationing of the lowest point of the curve.
A symmetrical parabolic summit curve connects two grades of +6% and -4%. It is to pass though a point "P" the stationing of which is 35+280 and the elevation is 193.13 meters. If the elevation of the grade intersection is 200 m with stationing 35 + 300. 1. What is the length of the curve? a. 120 m b. 123 m c. 121 m d. 122 m
Two tangents intersect at V with back tangent having a grade of -4.5% and forward tangent of 5.5%. A 200 m curve lies on the side of PC and 102.5 on the other side. Stationing ofV is at 10+538 having an elevation of 104 m. If a bridge is located above the curve, with its centerline having an elevation of 118.5 m and stationing of 10+555, with underside of the bridge located 55 cm below the given elevation, determine the height of highest vehicle it can accommodate if the bridge has a width of 12 m.
A -2.5% grade is connected to a +1.0% grade by means of 180 m vertical curve. The PI station and elevation is 10 + 000 and 100 m above sea level respectively. What is the station of the lowest point on the vertical curve?
3. A grade of-8% id followed by a grade of 3%, the grade intersecting at station 11+ 020 of elevation 423. 10 m. The change of grade is restricted to 0.5% in 25 meters. a. Compute the length of vertical parabolic curve b. Solve the lowest point of the curve from the P.T. c. Calculate the elevation at station 11+ 000.
A -4% grade line meets another line of +3.2% grade at station 11+ 4O. If a 225-ft parabolic curve connects these grade lines, at what station is the lowest point along the curve located? Your answer
Note: Solve and draw
A-6.5% grade is followed by a 1.75% grade intersecting at Sta. 15+750, with an elevation of 385.5 m. The change of grade is restricted to 0.5% per 20 m station. Compute the elevation of Sta. 15+710