A 500-feet vertical curve connects a -4% grade to a +2percent grade with a PVI at station 35 + 60.55. The PVI has an ele...
A 500-feet vertical curve connects a -4% grade to a +2percent grade with a PVI at station 35 + 60.55. The PVI has an elevation of 438.24ft.
(a) Calculate the location and elevation of: the PVC, the PVI, and the high point or low point on the curve.
(b) What should be the maximum posted speed limit on this curse?
Homework Answers
Add Answer to:
A 500-feet vertical curve connects a -4% grade to a +2percent grade with a PVI at station 35 + 60.55. The PVI has an ele...
please show steps and do it clearly 2. A 500 foot vertical curve connects a -4%...
please show steps and do it clearly
2. A 500 foot vertical curve connects a -4% grade to a +2 percent grade with a PVI at station 35+60.55. The PVI has an elevation of 438.24 ft. a. Calculation the location and elevation of the PVC, the PVT, and the high point or low point on the curve. b. What should be the maximum posted speed limit on this curve?
3. A 300 ft vertical curve connects a-2.3% approach grade and a +1.6% departure grade. The PVI is...
3. A 300 ft vertical curve connects a-2.3% approach grade and a +1.6% departure grade. The PVI is at 45+65 with elevation 369.22'. The curve is designed for 35 mi/hr speed limit. Calculate stations and elevations for PVC and PVT A 4% grade meets a failing grade of-25%. Station at P1 is at 60+00 and elevation is 95 feet. The length between PVC and PVT is 1400 feet. Find the elevation of the curve at station 58+00 4.
3. A...
7. A sag vertical curve connects a-4.75% grade and a +3.75% grade. The PVI is at...
7. A sag vertical curve connects a-4.75% grade and a +3.75% grade. The PVI is at station 45+90.00 at an elevation of 611.00 ft. The design speed is 50 mi/h. Determine the minimum length of the vertical curve using the AASHTO method ("K" factors). Round the minimum length up to the next 10 ft multiple for design of the vertical curve and associated calculations. Using this length, determine: The station and elevation of the PVC The station and elevation of...
1. Given a vertical curve with: PVI station = 26+42.17PVI Elevation = 1642.91 feet Length =...
1. Given a vertical curve with: PVI station = 26+42.17PVI Elevation = 1642.91 feet Length = 947.00 feet Entrance grade (gl) = -6.0% Exit grade (g2) = +1.2% Calculate the PVC station and elevation. • Calculate the PVT station and elevation. - Calculate the elevation at station 27+34.90. • Calculate the station and elevation of the high/low point.
1. Given a vertical curve with: PVI station = 26+42.17PVI Elevation = 1642.91 feet Length =...
1. Given a vertical curve with: PVI station = 26+42.17PVI Elevation = 1642.91 feet Length = 947.00 feet Entrance grade (gl) = -6.0% Exit grade (g2) = +1.2% Calculate the PVC station and elevation. • Calculate the PVT station and elevation. - Calculate the elevation at station 27+34.90. • Calculate the station and elevation of the high/low point.
1. Given a vertical curve with: PVI station = 26+42.17PVI Elevation = 1642.91 feet Length =...
1. Given a vertical curve with: PVI station = 26+42.17PVI Elevation = 1642.91 feet Length = 947.00 feet Entrance grade (gl) = -6.0% Exit grade (g2) = +1.2% Calculate the PVC station and elevation. • Calculate the PVT station and elevation. - Calculate the elevation at station 27+34.90. • Calculate the station and elevation of the high/low point.
A crest vertical curve connects a +2% grade and a -2.05% grade. The PVI is at...
A crest vertical curve connects a +2% grade and a -2.05% grade. The PVI is at station 40+00.00 at an elevation of 100.00 ft. The design speed is 70 mi/h. If the length is 1084 ft, determine: (b) The station of the BVC (3 pts (c) The elevation of the BVC (3 pts (d) The station of the EVC (3 pts) (e) The elevation of the EVC (3 pts) (1) The station of the highest point on the curve (4...
An equal-tangent vertical curve connects an initial grade of +2% and-2%. The PVI is located at...
An equal-tangent vertical curve connects an initial grade of +2% and-2%. The PVI is located at an elevation of 1000 feet. If the design speed is 60 mi/h and the curve is designed for stopping sight distance, then what is the elevation of the PVT, in feet?
1. (35 pts) A-2% grade intersects with a +3% grade at station 410+50.00 at an elevation of 200 fe...
1. (35 pts) A-2% grade intersects with a +3% grade at station 410+50.00 at an elevation of 200 feet. If the speed limit is 70 mph, determine: a. b. C. d. Minimum length of vertical curve Stations and elevations of PVC and PVT Station and elevation of highpoint Create a spreadsheet that calculated the elevation of each 100 feet station and graph the curve.
1. (35 pts) A-2% grade intersects with a +3% grade at station 410+50.00 at an elevation...
25. A spiral curve with a length of 50 feet connects a tangent to a curve...
25. A spiral curve with a length of 50 feet connects a tangent to a curve having a radius of 100 feet. Deter- mine the offset from the tangent to the point where the spiral connects to the curve and the length of throw from the tangent. 26. Given a spiral curve with a length of 150 feet, which connects a tangent to a curve having a radius of 200 feet, determine the offsets from the tangent to the midpoint...
please show steps and do it clearly
2. A 500 foot vertical curve connects a -4% grade to a +2 percent grade with a PVI at station 35+60.55. The PVI has an elevation of 438.24 ft. a. Calculation the location and elevation of the PVC, the PVT, and the high point or low point on the curve. b. What should be the maximum posted speed limit on this curve?
3. A 300 ft vertical curve connects a-2.3% approach grade and a +1.6% departure grade. The PVI is at 45+65 with elevation 369.22'. The curve is designed for 35 mi/hr speed limit. Calculate stations and elevations for PVC and PVT A 4% grade meets a failing grade of-25%. Station at P1 is at 60+00 and elevation is 95 feet. The length between PVC and PVT is 1400 feet. Find the elevation of the curve at station 58+00 4.
3. A...
7. A sag vertical curve connects a-4.75% grade and a +3.75% grade. The PVI is at station 45+90.00 at an elevation of 611.00 ft. The design speed is 50 mi/h. Determine the minimum length of the vertical curve using the AASHTO method ("K" factors). Round the minimum length up to the next 10 ft multiple for design of the vertical curve and associated calculations. Using this length, determine: The station and elevation of the PVC The station and elevation of...
1. Given a vertical curve with: PVI station = 26+42.17PVI Elevation = 1642.91 feet Length = 947.00 feet Entrance grade (gl) = -6.0% Exit grade (g2) = +1.2% Calculate the PVC station and elevation. • Calculate the PVT station and elevation. - Calculate the elevation at station 27+34.90. • Calculate the station and elevation of the high/low point.
1. Given a vertical curve with: PVI station = 26+42.17PVI Elevation = 1642.91 feet Length = 947.00 feet Entrance grade (gl) = -6.0% Exit grade (g2) = +1.2% Calculate the PVC station and elevation. • Calculate the PVT station and elevation. - Calculate the elevation at station 27+34.90. • Calculate the station and elevation of the high/low point.
1. Given a vertical curve with: PVI station = 26+42.17PVI Elevation = 1642.91 feet Length = 947.00 feet Entrance grade (gl) = -6.0% Exit grade (g2) = +1.2% Calculate the PVC station and elevation. • Calculate the PVT station and elevation. - Calculate the elevation at station 27+34.90. • Calculate the station and elevation of the high/low point.
A crest vertical curve connects a +2% grade and a -2.05% grade. The PVI is at station 40+00.00 at an elevation of 100.00 ft. The design speed is 70 mi/h. If the length is 1084 ft, determine: (b) The station of the BVC (3 pts (c) The elevation of the BVC (3 pts (d) The station of the EVC (3 pts) (e) The elevation of the EVC (3 pts) (1) The station of the highest point on the curve (4...
An equal-tangent vertical curve connects an initial grade of +2% and-2%. The PVI is located at an elevation of 1000 feet. If the design speed is 60 mi/h and the curve is designed for stopping sight distance, then what is the elevation of the PVT, in feet?
1. (35 pts) A-2% grade intersects with a +3% grade at station 410+50.00 at an elevation of 200 feet. If the speed limit is 70 mph, determine: a. b. C. d. Minimum length of vertical curve Stations and elevations of PVC and PVT Station and elevation of highpoint Create a spreadsheet that calculated the elevation of each 100 feet station and graph the curve.
1. (35 pts) A-2% grade intersects with a +3% grade at station 410+50.00 at an elevation...
25. A spiral curve with a length of 50 feet connects a tangent to a curve having a radius of 100 feet. Deter- mine the offset from the tangent to the point where the spiral connects to the curve and the length of throw from the tangent. 26. Given a spiral curve with a length of 150 feet, which connects a tangent to a curve having a radius of 200 feet, determine the offsets from the tangent to the midpoint...
Most questions answered within 3 hours.
-
The tires of a car make 61 revolutions as the car reduces its
speed uniformly from...
asked 2 minutes ago -
Peabody, Inc., sells fireworks. The company’s marketing director
developed the following cost of goods sold budget...
asked 6 minutes ago -
A signal transduction pathway includes the steps listed
below.
1. An inactive signal transduction molecule is...
asked 5 minutes ago -
1. The correlation coefficient determined for two variables has
a value of 0.89. Describe, in words,...
asked 11 minutes ago -
The following data relate to direct materials costs for
November:
Actual costs
4,700 pounds at $5.35...
asked 9 minutes ago -
Kyle, a 95.0 kg football player, leaps straight up into the air
(with no horizontal velocity)...
asked 33 minutes ago -
Which of the following is a measure of profitability?
A.
Quick (acid-test) ratio
B.
Net sales...
asked 36 minutes ago -
Find the total pressure exerted by 2 grams of ethane and 3 grams
of CO2 contained...
asked 37 minutes ago -
A fireman standing on a 5.2 m high ladder operates a water hose
with a round...
asked 34 minutes ago -
A cream formulation is studied for accelerated stability study.
Creaming was observed when formulation was tested...
asked 37 minutes ago -
A 1,150 lumen light bulb is placed 37 cm in front of a mirrored
wall, whose...
asked 47 minutes ago -
Given that z is a standard normal random variable, compute the
following probabilities (to 4 decimals)....
asked 53 minutes ago