A 5.3% grade intersects a -1.9% grade at STA 5+180 at an elevation of 186m. A vertical curve of length 120m is to be run forward from the point of intersection, and a curve of length 80m is to be extended back forming an unsymmetrical curve. Determine the elevation (m) of the curve below PVI.

Q: An equal tangent vertical curve is to be constructed between grades of -2.0% (initial) and 1.0%…

A: Solution:GradeG1=-2.0%Grade G2=1.0%Point of vertical intraction elevation=420 mPoint of vertical…

Q: 3.)  A -4% grade meets a 7% grade at station 2 + 185 of elevation 150 m. The lengths are L1 = 70 m.…

A: Downward gradient=-4% Upward gradient=7% Elevation=150 m L1=70 m, L2=50 m.

Q: A 7% descending grade intersects an 9% ascending grade at the vertex, V, at station 1+ 100 having an…

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Q: An equal-tangent sag vertical curve on a section of a highway connects an initial grade of -2% and a…

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Q: A - 6% grade and a + 2% grade intersect at sta. 12 + 200 whose elevation is at 45.673 m. The two…

A: PVCELV=PVIELV-g1L2PVCelv=45.673+0.06×1802PVCelv=51.073m

Q: A 500-m long equal tangent vertical curve has a point of vertical curvature at station 2 + 600 and…

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Q: A grade of -5% grade intersects a grade of 0%. P.C. has a STATION of 10 + 110.00 which has an…

A: Given that   Sag vertical curve   g1 = -5%   g2 = 0   A = G1-G2   A = -5   PC station = (10+110)…

Q: A forward tangent of +6% was designed to intersect a back tangent of  -3% at a proposed underpass…

A: GIVEN DATA:- L1 = 200m L2 = 100m g1 = -3% g2= +6% VPI 12+ 530.20 Bridge Elevation = 117.48m VPI…

Q: A +3% grade intersects a -2% grade at STA 4+350 meter at an elevation of 190.50 meter. Given that a…

A: The backward grade, g1 = +3%the forward grade, g2 = -2%The Station of point of vertical…

Q: 2. What is the elevation of the curve at sta 9 +940 if unsymmetrical parabolic curve has a forward…

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Q: Q7.An equal-tangent vertical curve is to be constructed between grades of -2.0% and +1.0%. The PVI…

A: Step 1

Q: A +0.7% grade meets a -0.4% grade at sta 2+700 and at elevation 30 m. The max allowable change in…

A: Given information, n1 = 0.7%n2 = -0. 4%Maximum allowable change in grade/sta.=0.2%

Q: = An equal-tangent crest vertical curve with a length L unknown, has an initial grade is G₁ +2.5%…

A: G1 = 2.5%  G2 = -1%

Q: 7.5% grade is followed by a 1.225% grade intersecting at Sta. 15+750, with an elevation of 395.5 m.…

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Q: A +4% grade line intersects a -2 % grade line at station 6+800, where the elevation is 642.40 m. as…

A: When a route changes direction from right to left or its alignment changes from up to down, curves…

Q: Q3/ A vertical curve below has a lower point (A) which exists at station (53+50) with elevation…

A: given- R.L of A= (1271.2 m) at station (53+50)back grade g1= (-4%) forward grade g2= (+3.8%)(PVI)…

Q: A symmetrical Crest curve have two vertical grades intersects at station (12+80) (1 station = 100…

A: Given values, Symmetrical crest curve with vertical grades, g1= +2%, g2 = -2% Point of intersection…

Q: If + 0.8% grade meets - 0.7% grade and the rate of change of grade for 30 m distance is 0.05, the…

A: g2 = -0.7% g1 = 0.8%  Rate of change of grade r= 0.05/30 = 0.00167

Q: VERTICAL PARABOLIC CURVE IS TO CONNECT A BACK TANGENT OF -2% AND A FORWARD TANGENT OF 3%. THE CHANGE…

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Q: An equal tangent vertical curve is to be constructed between grades of -6.75% (initial) and 4.75%…

A: G1= -6.75% G2= 4.75%PVI station = 12+000.000 PVI elevation = 319m Station = 12 + 071.00 Elevation =…

Q: 9. A-6% grade meets a 9% grade at station 2 + 185 of elevation 150 m. The lengths are Li 70 m. and…

A: Consider the given data g1=-6%,  g2=+9%A=9+6=15%L1=70 m,    L2=50 mPVI elevation=150 m Calculate the…

Q: A-4% grade line meets another line of +3.2% grade at station 11+ 40. If a 225-ft parabolic curve…

A: This question is related to Simple curve from Surveying Engineering. In this question we calculate…

Q: A forward tangent of +6% was designed to intersect a back tangent of -3% at a proposed underpass…

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Q: A 400-ft equal-tangent sag vertical curve has its PVC at station 78+00 and elevation 800 ft. The…

A: Length of curve (L) = 400 ftStation of PVC = 78+00Elevation of PVC = 800 ft

Q: A plus 2.8% grade elevation intersects a minus 5.1% grade at station 2 + 087.224 at an elevation of…

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Q: 500-m long equal tangent vertical curve has a point of vertical curvature at station 2 + 600 and…

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Q: Q3/ A vertical curve below has a lower point (A) which exists at station (55+50) with elevation…

A: g1 = -6% g2 = +5.8% Station at PVI = 54+00 Elevation of PVI = 1281.5m At point A - Station A - 55+50…

Q: A symmetrical sag curve has a descending grade of -4.2% and an ascending grade of +3.6% intersecting…

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Q: EXAMPLE A -2% grade meets a +8% gradę near an underpass. In order to maintain the minimum clearance…

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Q: Q3/ A vertical curve below has a lower point (A) which exists at station (55+50) with elevation…

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Q: A -6% grade is followed by a 2% grade intersecting at Sta. 15+750, with an elevation of 372.25 m.…

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Q: Determine the elevation of the middle point of the curve.

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Q: between those two rc a. The required le b. Stationing and c. Location and el

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Q: A 4.5% grade intersects a -1% grade at STA 5+180 at an elevation of 195m. A vertical curve of length…

A: Given: The length of vertical curve is 120 m. Here: PVC Station=PVI Station- Length of vertical…

Q: Prob. 3. A forward tangent of +6% was designed to intersect a back tangent of -3% at a proposed…

A: You can determine tangent length by calculating the central angle of the curve, in degrees. An angle…

Q: A 600 ft equal tangent vertical The initial grade is -3.5% and the final grade is +0.5%. Determine…

A: L=600ft

Q: owed by a 1.25% grade intersecting at Sta. 15+750, with an elevation of 374.5 m. The change of grade…

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Q: A vertical summit vertical curve has its PVI at station 14+750 with elevation of 76.30m. The grade…

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Q: If PVI at sta 5+650 has an elevation of 122.45 m what is the elevation of the grade tangent at…

A: "Since you have asked multiple question, only first question will be solved for you. If you want any…

Q: A symmetrical parabolic curve connects two grades of +6% and -4%. It is to pass through a point "A",…

A: Grades of parabolic curve are = +6% and -4% Elevation = 198.13 m Elevation at grade intersection=…

Q: 3. A -4% grade line (400 ft length) intersects a -2% grade line (200 ft length) at station 63+00,…

A: Given:- The grade of line 1 (g1) = -4% The length of line 1 = 400 ft The grade of line 2 (g2) = -2%…

Q: 2. A vertical parbolic curve was design in order to have a clear sight distance of 120 m. The grade…

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Q: A -6% grade and a +2% grade intersect at STA 12 + 200 whose elevation is at 25.632 m. The two grades…

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