Civil Engineering Imagine a two lane highway segment with crown slopes of -1.3%and the start of the tangent run-out at St.Km.0+000.00.The design speed is decided to be 77 km/hr. The radius of the circular curve is 402 m.Prepare a small super elevation table showing super elevations of each travel lane at the start and end of the tangent run-out,at

Q: An incoming grade of +1.800% meets an exiting grade of -2.500% at a PVI having station = 27+32.20…

A: Incoming grade = +1.800% Exiting grade = -2.500% PVI station = 27+32.20 PVI elevation = 231.87…

Q: Determine the minimum length (ft) for a vertical curve with 55mph design speed if the grades to be…

A: The length of the vertical curve is given by: L=K×G Where, K = Rate of vertical curvature G = Grade…

Q: A vehicle encounters a sag parabolic curve. The stationing at the vehicle is 12+400 meters and the…

A: For sag curve we have the relation L=AS22h1+2Stanαα=1° and h1=0.75mso,L=AS21.5+0.0035S…

Q: equal tangent vertical curve is intended to connect grades of -1% and 2.3%. If this curve is to be a…

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Q: equal tangent vertical curve is intended to connect grades of -4% and 4.1%. If this curve is to be a…

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Q: An equal-tangent crest curve connects a +2.0% and a-1.0% grade. The PVC is at station + 670 and the…

A: The curve length will be: Lm=2×100station2 of PVI-station1 of PVCLm=200(1+790-1+670)      =240 ft

Q: Q2) A proposed highway has two tangents of bearings N 45°54'36" E and N 1°22'30" W. The highway…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: The gradients of two intersected grade line are -3% and 3%, the radius of vertical curve is 3000m,…

A: Given:- The gradients of two intersected grade lines are:- g1 = -3% g2 = 3% The radius of the…

Q: Given a sag vertical curve connecting a -5.5% grade with a +6% grade on a rural arterial highway,…

A: Given,  G1 = -5.5% G2 = 6% V = 50 mph

Q: A vertical road was designed with three tangent lines having a grade of -7.8%, 3.7%, and -2.1%,…

A: G1=-7.8% ,G2=3.7% ,G1'=3.7% ,G2'=-3.2%

Q: tical curve is intended to connect grades of 1 45mph, determine the minimum length (ft) o to 3…

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Q: -Determine the minimum length of a highway sag curve (based on SSD Criterion) that is designed to…

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Q: A highway engineer must stake a symmetrical vertical curve where an entering grade of +0.60% meets…

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Q: An equal-tangent crest vertical curve is designed for 45 mi/h. The high point is at elevation 380.10…

A: Solution  Given That G1=+1.90%G2=-3.10%

Q: A vertical road was designed with three tangent lines having a grade of 7.4%, -4.3% and 2.3%,…

A: Given that :-a vertical road was designed with following specifications :Elevation of Elevation of…

Q: n equal tangent vertical curve is intended to connect grades of 1.8% and -2.7%. If this curve is to…

A: From the given question it is required to calculate the minimum length of vertical curve part of a…

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

A: sing relation for SSDSSD=vt+v22gf±Gf=0.35G=0.05t=2.5sec

Q: An equal tangent vertical curve is intended to connect grades of 4.8% and -3%. If this curve is to…

A: GIVEN- AN EQUAL TANGENT VERTICAL CURVE CONNECTING TWO GRADE 4.8% AND -3%, IT IS REQUIRED TO FIND…

Q: Determine the minimum length (ft) for a vertical curve with 65mph design speed if the grades to be…

A: A vertical curve is provided for the smooth transition of vehicle from one grade to another road.…

Q: Imagine a two lane highway segment with crown slopes of -1.5% and the start of the tangent runout at…

A: The radius of the curve = 408 m The design speed = 71 km/hr = 19.72 m/sThe start of the tangent…

Q: A vertical road was designed with three tangent lines having a grade of 7.0%, -4.9%, and 2.2%,…

A: G1 = 7% = 0.07 G2 = -4.9% = -0.049 G1' = -4.9% = -0.049 G2' = 2.2% = 0.022 l1 = 113.61m

Q: Determine the minimum length (ft) for a vertical curve with 55mph design speed if the grades to be…

A: It is required to determine the algebraic difference in grade. A=G1-G2 Here G1 and G2 are the grade…

Q: al curve is intended to connect grades of 4.3% and -3.5%. If this curve is to E cermine the minimum…

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Q: what is the superelevation at the central curve? in meters

A: Super elevation is transverse slope provided in road to counteract effect of centrifugal force and…

Q: PROBLEM 6: A highway engineer must stake a symmetrical vertical curve where an entering grade of…

A:

Q: 103+51.05 103+53.01 103+47.56 103+49.89

A: 103 + 51.05

Q: ual tangent vertical curve is intended to connect grades of -3.5% and 3.8%. If th speed limit of…

A:

Q: A crest vertical curve (equal tangent) has PVI at station 210+00 and elevation 420.75 ft. The…

A: SPVI = Stationing of PVI = 210+00EPVI = Elevation of PVI = 420.75 ftg1 = Initial grade = 2.5% =…

Q: A highway has +2.0% grade followed by a -2.0% grade. The PVC is at STA(1033+58.00) and the PVT is at…

A: Following are the given data. A highway has +2.0% grade followed by a -2.0% grade. The PVC is at STA…

Q: connect grades of 4% and -3.9%. If this curve is to be a part of a highway designed with a PSD of…

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Q: Determine variables requested below for a horizontal curve with the following characteristics.…

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Q: A +2% grade intersects with a -1% grade at station (535-24.25) at an elevation of 300 ft. If the…

A: Solution:-Given,Elevation=300ftDesign speed=60 mi/hg1=2%g2=-1%

Q: Determine the minimum length (ft) for a vertical curve with 60mph design speed if the grades to be…

A: Given Grades to be connected 1.7% and -1.13%with 60mph design speedand from AASHTO table,SSD= 570…

Q: equal tangent vertical curve is intended to connect grades of -1.3% and 1.2%. If this curve is to be…

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Q: The minimum simple curve radius you recommended for a highway with design speed (96) Km/hr , super…

A: Given; V=96km/hr super elevation =5.50 f=0.11

Q: Imagine a two lane highway segment with crown slopes of-1.3% and the start of the tangent runout at…

A: Given: R=408 mv=71 km/hr×10003600=19.72 m/s

Q: ertical curve is intended to conn f 50mph, determine the minim - to 3 decimal places.

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Q: equal tangent vertical curve is intended to connect grades of 5% and -2.5%. If this curve is to be a…

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Q: A crest vertical curve joining a + 3 percent and – 4 percent grade is to be designed for 75 mph. If…

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Q: A vertical road was designed with three tangent lines having a grade of 7.3%, -3.9%, and 2.8 %,…

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Q: An equal tangent vertical curve is intended to connect grades of 3% and -3.2%. If this curve is to…

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Q: An equal-tangent curve connects a +1.0% and a -0.5% grade. The PVC is at station 54+24 and the PVI…

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Q: An equal tangent vertical curve is intended to connect grades of 2.6% and -0.8%. If this curve is to…

A: Given  Passing sight distance= 550 ft .

Curve setting

A curve is a turn that is provided horizontally or vertically in the design of highways, railways, and runways. A curve connects two straight lines that are separated by the deflection angle. It helps to change the direction and alignment of the highways, railway tracks, and runways. Therefore, the gradual change in their alignment is made by using a curve to provide comfort to the passengers and this also provides an easy turn to change the direction of the moving vehicle.