15. The following is the cross section notes of a road grading work. Road bed for cut is 9 m, for fill is 8 m. Ratio of run to rise for cut is 1:1 and for fill is 1.5: 1. Station 3 +360 -3.2 +1.2 +1.2 +2.8 X 0 3.5 X

15. The following is the cross section notes of a road grading work. Road bed for cut is 9 m, for fill is 8 m. Ratio of run to rise for cut is 1:1 and for fill is 1.5: 1. Station 3 +360 -3.2 +1.2 +1.2 +2.8 X 0 3.5 X

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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5. A cutting is to be formed on a section of a proposed road. Calculate the volume of cut required to form the cutting between chainages 1000m and 1090m by using : a. End areas method b. Prismoidal formula 1010 172.5 CH 1000 1020 1060 1030 177.5 1040 1050 1070 185.5 1080 1090 A(m) 175.6 175.5 178.5 176.5 190.5 188.5 191.5
In a proposed highway undergoing road earthworks, the given roadway cross-section notes are as follows:STA 20 + 100 3.00 1.50 1.00-8.50 0.00 6.50STA 20+ 300 2.20 1.20 2.60-7.70 0.00 8.10Width of the roadway is to be determined using side slope of xH:1V where x is the unknown horizontal sideof the slope. Show and draw plotted points of the cross-section of roadway each station. Calculate thefollowing:1. Total number of man-days to finish the earthwork job2. Total cost of machine rentals to finish the earthwork job.In the inventory of available heavy equipment on site are three (3) hydraulic excavators with bucket payloadcapacity each of 0.76m3 and one (1) hydraulic excavator with bucket payload capacity of 1.15m3. The hourlyproduction of each excavator with 100% efficiency are 149m3 and 196m3 respectively. Daily machine rentalfees for smaller capacity is 1,200 pesos while bigger capacity costs 2,200 pesos. Daily machine operationsis limited to 8 hours.
Calculate the quantity of earth work for the road with the following: stations 0 Depth of cut (m) 1 Height of filling(m) 100 200 300 400 3 0.5 The width of road-10 m, side slope 1:1 to cut and fill. 1 2
Calculate the corrected volumes of cut and fill using the following cross section notes, with the road bed being 6 meter wide in cut and 4.8 meter in fill. Both cut and fill have a 1:1 side slope. Sta 3 +000 5.04 0.6 +0.39 5.46 +2.46 -2.64 0 Sta 2 +980 5.82 1.02 +0.60 4.80 -3.42 0 +1.80
QUESTION 1 In a certain portion of road to be constructed, the following data were taken. Station 1+020 8m 8.5m -1.555 ? 1.25 m² m² m³ -1.21 Station 1+090 0 +2.55 Base width for cut Base width for fill 1.25:1 Side slope for cut 1:1 Side slope for fill ____?__ -0.9 0.95 a) Compute area of first station b) Compute area of second station c) Determine difference in volume of cut and fill using End Area Method
Given the following set of slope staking notes, find the fill volume between Stations 49+00 and 50+00 Basis for Cut Basis for Fill Cutslope O 434.5 610.0 400.7 Sta. O 537.6 5100 5000 4900 O None of these. 48 40 s=2.5:1 ft ft L C X1 33.4 F 5.4 33.6 F 6.4 36.0 C C 5.5 FO F 3.5 R C 3.2 X2 C 4.1 34.25 FO 20
In a proposed highway undergoing road earthworks, the given roadway cross-section notes are as follows: STA 20 + 100 2.30 -6.45 1.50 0.00 1.00 4.50 2.00 -6.00 2.60 6.90 STA 20+ 300 1.20 0.00 Width of the roadway is to be determined using side slope of xH:1V where x is the unknown horizontal side of the slope. Show and draw plotted points of the cross-section of roadway each station. Calculate the following: 1. Total number of man-days to finish the earthwork job 2. Total cost of machine rentals to finish the earthwork job. In the inventory of available heavy equipment on site are two (2) hydraulic excavators with bucket payload capacity each of 0.76m³ and one (2) hydraulic excavator with bucket payload capacity of 1.15m³. The hourly production of each excavator with 100% efficiency are 149m³ and 196m³ respectively. Daily machine rental fees for smaller capacity is 1,200 pesos while bigger capacity costs 2,200 pesos. Daily machine operation is limited to 8 hours.
From the following cross-section notes, compute the volume of cut and fill using end-area method, the roadbed being 6m wide in cut and 4.8m in fill. The side slope for both cut and fill is 1:1. Station 3+000 +0.39 5.04 0.60 5.46 -2.64 0 +2.46 Station 2+980 5.82 1.02 +0.60 4.80 -3.42 0 +1.80
3. In the figure below, two circular arcs were established to connect two road segments A and B. It is required to set out (stake) the point of tangency (P) between the two circular arcs. At the site, two control points Cl and C2 were available and can be used to set out (stake) point P. Select the control point (C1 or C2) you think more appropriate to stake point P, explain your reasons. Compute the coordinates of point P and the information (distance and angle) required to stake the point from both control point. (All dimensions and coordinates are in feet). 02 (4265.25,6864.18) R= 5198.54 C2 (8498.65,2428.73) common tangent P A C1 (3810.60,0033.89) R=3744.61 01 (2396.14,-1881.46) Road A Road B
QUESTION 10 A cutting is to be formed on a straight section of a proposed road. The values of eight consecutive cross sectional areas taken at a constant horizontal distance interval of 20m are 325m², 398m², 456m², 580m², 634m², 546m², 447m² and 362m² respectively. Calculate the volume contained between the first and last cross section using : a. End areas method b. Prismoidal formula
Q4/ The elevation of center line for a cross section of street project. If the design level for the proposed street is (25m). Examine if the section is Fill or Cut? (4₂² 4.0 6.0 परा 6.0 2-0 8.0 2.0 0.0 Pcm) 810 E. 25.60 26.20 25,8 26.60 25.50 27.60 26.90 26.0 255
A. Given the level section data below. D 23.7 23.1 7.8 5.3 C 12 Station CL 1+200 C 7.8 C 5.3 C 7.4 23.7 0 23.1 1+250 C 6.5 C 6.0 C 7.5 21.75 0 23.25 1+300 C 8.5 C 6.6 C 7.0 24.75 0 22.5 Roadbed =24m Side slope 1.5 : 1 R= 700m, center of curvature is on the right. Compute for the: 1) Volume by end area method = 2) Volume by prismoidal method= 3) Prismoidal correction = 4) corrected volume by applying this prismoidal correction = 5) curvature correction = 6) corrected volume for the following cross-section= 12 7.4