A building is located 7 m from thecenterline of the inside lane asshown. The curve has a minimumradius of 130 m at road level. If thecoefficient of friction is 0.35,determine the appropriate speedlimit in kph. *7 mYour answerE

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Answered: A building is located 7 m from the…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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AA vertical summit curve have grades of +4%and -3%which intersects a station 20+040. If the stopping sight distance is equal to 165.78m. A. Compute the macimum speed that a vehicle could move along this curve to avoid collision if the perception reaction time of the driver of the driver id 2.0 seconds and the coefficient od friction is equal to 0.25 B. Compute the length of the curve.
2/97 Determine the maximum speed for each car if the normal acceleration is limited to 0.88g. The roadway is unbanked and level. 21 m fo 16 m Problem 2/97
Q2/ After a rural road way deflect by an angle of 44°. The two tangents intersect at station (35+70). 1- Find the tangent and curve lengths for a 5° curve 2- Recommended a superelevation rate if the design speed is 100 km/hr and the coefficient of side friction is 0.12. 3- What is the clearance distance required for an obstruction near the road if the acceleration rate is 4 m/sec? ?
b. A valley (sag) curve is formed by a descending gradient of 1 in 50 which meets an ascending gradient of 1 in 40. Design the total length of the valley curve, if the design speed is 80 km/h. so as to fulfill both comfort condition and head light distance for night driving, after calculating SSD required. Assuming that the coefficient of friction between the tyres and the pavement is 0.30 and perception-reaction time is 2.5 seconds.
The radius of a highway-curve is 120m, and has an angle of9.31 from the horizontal. The center of gravity of the truck islocated 0.80m above the roadway and the distance betweenthe two front wheels is 1.2m. If the truck has a total weight of15KN,a. Determine the normal acceleration (m/s2) and thevelocity (in kph) of the truck before overturning (*Notethat friction is neglected between the tires and theroad)?b. Find the maximum velocity of the truck could move inthe curve so that there will be no pressure between thetires and the roadway.c. If the allowable speed of the highway curve is 80 kphand the coefficient of kinetic friction is 0.60, what is thevelocity of the truck without sliding?
The design speed for a National Highway is 100 kmph. If the maximum permissible superelevation is 0.10 and the coefficient of lateral friction is 0.15, the ruling minimum radius of horizontal curve on the highway should be O A. 260 m O B. 315 m O C. 380 m O D. 410 m
Qg:- A horizontal curve with a radius of 200 m forms part of a two-lane highway with a posted speed of 50 Kph. Determine: 1)) The distance a house can be placed from the centerline of the inside of the curve without reduced the required stopping sight distance? 2)) Length of circular curve ? Assume perception reaction time is 2.5 sec., the highway is flat, lane width = 4 m, and central angle A = 25°.
The design speed for a two-lane highway (lane width=12 ft.) is 60 mph. The localjurisdiction governs 8% superelevation. The central angel of the curve is 40 degrees. The PI station is at 452+50.What is the curve radius to the travel path (R୚)? What is the curve radius (R)? What is the curve length (L)? What isthe station of PC? What is the station of PT? What is the SSD? How many feet must be cleared from the lane'sshoulder edge to provide adequate stopping sight distance?
A single-lane racetrack is being constructed with a 150 mph design speed. A curve on this track has a radius of 4500 ft, central angle of 30 degrees, and a PI located at station 150+40. If the coefficient of side friction is 0.3, what superelevation is required for safe vehicle travel at the design speed? Also, determine the length of the curve and station of the PC and PT.
A horizontal circular curve with a radius of 800 ft connects the tangents of a two lane highway (width of each lane is 12 ft). The horizontal sightline offset (HSO) that a large building can be placed from the outer edge of the inside/inner lane of the curve is 10 ft. Estimate the maximum speed limit on the curve. Perception-reaction time is 2.5 sec and F = 0.48. Assume that length of curve is equall to HSO.
A Moving to another question will save this response. Question 21 A 12-degree simple curve is to be designed for a maximum speed of 88 kph. The coefficient of friction between the tired and pavement is 0.40. what is the required super-elevation in percent? O A. 7.87 O B. 8.11 OC 63.8 O 0.23.8 O E. None of the above Question 2
Help me in making 1 problem for simple and compound curve. WRITE ON CLEAN PAPER. THANKS! for simple curve determine: the radius, the external distance, the middle ordinate, and the tangent distance. for the compound curve determine: the radius of the 1st curve, the radius of the 2nd curve, the Length of the 1st curve, the Length of the 2nd curve, the Long chord , the Long chord 2, Sta. PCC Stat. PT

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A building is located 7 m from the centerline of the inside lane as shown. The curve has a minimum radius of 130 m at road level. If the coefficient of friction is 0.35, determine the appropriate speed limit in kph. * 7 m