A 160m long parabolic curve connects a -8% grade to a +2% grade. These grades intersect at Sta. 1+240 with elevation of 14.87m. Find  the elevation and station of the lowest/highest point on the curve and at the first quarter point of the curve.

Q: A -3.3% grade meets a +7.4% grade at a vertex (El. 139.57m) directly under an overpass bridge having…

A: Elevation of PI = 139.57m

Q: 3. For curve y + 4x2 - 12x , locate the possible maximum and minimum %D points.

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Q: 2) Find the critical length of vertical curve for a grade of +4%. 350 m. 500 m. A. B. C. 600 m. D.…

A: The speed is  or .The gradient is .

Q: The length of curve at side of PC is 55 while on the PT is 45 m. A sewer line with its top having an…

A:

Q: elevation 499.21ft. The initial and final grades are -2.3% and 4.8% respectively. Determine the…

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Q: A symmetrical parabolic curve passes through point A whose elevation is 23 23m at a distance of 54…

A: Correction in question:- As the elevation of PC is given as 22.56 m Hence, elevation of point A can…

Q: A 800ft vertical curve has its PVI at elevation 304.25ft. The initial and final grades are 2.4% and…

A: L = 800ft YPVI = 304.25ft n1= 2.4% n2= -2.2%   It has been asked in the question to determine the…

Q: A-3.00% grade meets a +2.50% grade at station 4 + 200 and elevation 105.568 m, 200-m curve, stakeout…

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Q: The minimum length of vertical curve shall be -for a grades of 4% and 3% respectively in feet -- O…

A: Given data- Grades (n1) = 4% (n2) = 3% To Find- Minimum length of vertical curve (L)

Q: A vertical summit curve was designed to connect two intersecting tangents. Elevation PVC = 250.55m,…

A: slope of upward tangent = Elevation of PVI - Elevation of PVCL2…

Q: 94444% 00962% 11702% 25000% 41892% ne of the Choices

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Q: 500ft vertical curve has PVI elevation 240.31ft. the initial and final grades are 2.1% and -3.3%…

A: solution Given g1=2.1% ;g2=-3.3%so total change N =g1-g2=2.1-3.3=5.4%Length L =500ftelevation of…

Q: t vertical curve has its PVI at elevation 491.52ft. The ini™ on of a point 327ft from PVC. your…

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Q: A parabolic vertical curve connects a +3.5% grade with a -5.0% grade on a rural highway at section…

A: To calculate the location and elevation of the PVC (Point of Vertical Curvature) and PVT (Point of…

Q: The length of curve at side of PC is 55 while on the PT is 45 m. A sewer line with its top having an…

A:

Q: The length of curve at side of PC is 45 while on the PT is 50 m. A sewer line with its top having an…

A:

Q: The length of curve at side of PC is 55 while on the PT is 45 m. A sewer line with its top having an…

A:

Q: es.

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Q: 10. A +2.8% grade at 1 + 200 is to be connected to a -4.2% grade at 1+600 using a symmetrical…

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Q: vertical curve has its PVI at elevation 300.55ft. The initial and n of a point 237ft from PVC. your…

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Q: A -3% grade meets a +5% grade at a vertex (El. 146.24m) directly under an overpass bridge having…

A:

Q: A 600ft vertical curve has its PVI at elevation 404.44ft. The initial and final grades are 3.1% and…

A: Determination of Elevation  of point 364ft from PVC

Q: A 500ft vertical curve has its PVI at elevation 371.25ft. The initial and final grades are 3.4% and…

A:

Q: A 1200 feet parabolic vertical curve has an entering grade of –2.6% and a departing grade of +3.4%.…

A: PVC Station…

Q: A grade descending at the rate of 2% is to be connected with a grade ascending at the rate of 3.6%…

A: Given Data: The grade at descending rate is N1=-2%. The grade at ascending rate is N2=3.6%. The…

Q: The length of curve at side of PC is 45 while on the PT is 50m. A sewer line with its top having an…

A: given-Length of curves L1=45 m and L2=50 msewer line top elevation = 108.6 msewer line top…

Q: It is required to construct a vertical curve with 400m from the PC at STA 3+16, elev.214m to the…

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Q: vertical curve has its PVI at elevation 235.01ft. The initial and final grades are 4.2% and -2.7%…

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Q: 238.755m respectively.

A: Length=Ar=4.9-2.80.0520m=840mPVCsta=PVIsta-L2PVCsta=5000-8402=4+580PVCELV=PVIELV-g1L2PVCelv=238.755-…

Q: tangent is -3.0%, and the location of the highes on of the highest point is 100 m. t is the Station…

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Q: Problem 3. A descending grade of 5% and an ascending grade of 3% intersect at Sta 12 + 200 whose…

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Q: 12. A sag curve is composed of two parabolic curves. BVC and EVC have elevations 250.30m and 246.30m…

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Q: The length of the unsymmetrical vertical curve is 609. The gradient of PVC is +4% while that of PVT…

A: Hi! Thank you for the question As per the honor code, We’ll answer the first question since the…

Q: An unsymmetrical parabolic curve has a forward tangent of -8% and a back tangent of +3%. The length…

A: Given,Forward tangent curve, G2=-8%Backward tangent curve, G1=+5%Left curve = 40mRight curve =…

Q: A 700ft vertical curve has its PVI at elevation 302.17ft. The initial and final grades are -4.9% and…

A:

Q: The length of curve at side of PC is 42 while on the PT is 58 m. A sewer line with its top having an…

A: Given:- L1 = 42 m L2 = 58 m g1 = +5.5% g2 = -7% PC Sta = 6+782 PC Elev = 110.5 m

Q: please

A: PVCELV=PVIELV-g1L2PVCelv=14.87+0.08×1602PVCelv=21.27m

Q: A 175m long sag parabolic curve connects a -8.2% grade to a +2.4% grade. The grades intersect at…

A:

Q: A +2.5% grade is connected to a +1.5% grade by means of a 200m vertical curve. The P.I. Station 100m…

A: PVCSTATION=PVISTA-L2PVCSTATION=100-2002=0PVCELV=PVIELV-g1L2PVCelv=100-2.51002002=97.5m

Q: A -2.4% grade meets a +7.4% grade at a vertex (El. 142.68m) directly under an overpass bridge having…

A: Given: The grade g1 is -2.4%. The grade g2 is +7.4%. The elevation at vertex is 142.68 m. The…

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