Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Chapter 14, Problem 15P
To determine
The conditions to prefer in borrowing new material from a borrow pit for a highway embankment
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Show the illustration/diagram. Show complete and detailed solution.
From station 0 + 040 whose center height is 1.2 m. fill, the ground line has a uniform sclope of 6.5% going to station 0 + 100 with a center height of 3.5m. Solve for the grade of the finished roadway.
A new road is to be constructed with formation width of 20 m, side slopes of 1 vertical to 2.5 horizontal The heights of fill at the center line of three successive cross sections, 50 m apart, are 3.3 m. 4.1 m, and 4.9 m, respectively. The existing ground has a crossfall of 1 in 10. Calculate the volume of the fill
A road excavation has the following section at the following stations. DETERMINE THE CROSS SECTION AREAS USING THREE LEVEL CROSS SECTION AND DETERMINE THE VOLUME OF THE EXCAVATION
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Traffic and Highway Engineering
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- Workers are to enter an excavation to repair a damaged pipeline on a construction site. The soil in the excavation appears to be a cohesive soil installed during the initial pipeline installation. Ground water is noted to be entering the bottom of the excavation. If the proposed excavation protective system is sloping, what is the maximum side slope of the excavation, per OSHA requirements?arrow_forwardA new road is to be constructed with formation width of 20 m , side slopes of 1 vertical to 2.5 hor izontal.The heights of fill at the center line of three successive cross sections, 50 m apart, are 3.3 m , 4.1 m , and4.9 m , respectively. The existing ground has a crossfall of 1 in 10. Calculate the volume of the fill.arrow_forwardA new road is to be constructed with formation width of 10 m, side slopes of 1 vertical to 0.5 horizontal. The depths to cut at the center line of five successive cross-sections, 10 m apart, are 1 m, 3.3 m, 4.1 m, 1.2 m and 0.5 m, respectively. Calculate the volume of the cut needed to construct the road by using Trapezoidal rule.arrow_forward
- The center height of the road at station 6+420 is 2 meters fill and at station 6+470 is 1.2 meters cut. The ground makes a uniform slope of +4.6% from station 6+420 to 6+470.a.) How far will from station 6+420 will the fill extend?b.) What is stationing of the point up to which the fill is extended?arrow_forwardFrom the given cross-section notes, compute the volume of earthworks between the two stations. Width of roadway is 20 m. with side slopes of 2:1.arrow_forwardExplain some Traditional geotechnical design methods ?arrow_forward
- A haul road from a borrow pit to the fill has an adverse grade of 3% and has rolling resistance of 90 lb/ton. What will be the effective grade for the haul?arrow_forwardIn deep excavation, adjacent ground water table is drawn down which may affect the settlement of nearby buildings. What is the remedial proposal to rectify the situation?arrow_forwardAn area of planned construction is underlain by sandy soil where the angle of internal friction is 35°.(a) What is the maximum safe slope angle for this soil if there is no groundwater flow?(b) If it is assumed that groundwater flow could occur through the slope, approximately what slope angle should be considered as the allowable maximum?arrow_forward
- Limit of economic haul is 450 m. not 50m. Thanks!arrow_forwardA highway fill stretches between stations 5 + 040 and 5+ 140 with a uniform ground slope. It has a side slope of 2:1 and width of the roadway is 10m. Determine the Following: (a) Draw the areas at each and and determine the quantity of such areas (b) Determine the volume by end-area method (c) Determine the volume by Prismoidal formula.arrow_forwardSHOW COMPLETE SOLUTION PLS VALUES:X = 425A = 5arrow_forward
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Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
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ISBN:9781305156241
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Publisher:Cengage Learning