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 STA 20+ 300 2.00 -6.00 1.20 0.00 2.60 6.90 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 196m 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.

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 STA 20+ 300 2.00 -6.00 1.20 0.00 2.60 6.90 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 196m 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.

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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Question

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.

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GIVEN DATA

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THEORY OF 3-LEVEL SECTION

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DETERMINATION OF SLOPE & WIDTH OF SECTION 1

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DETERMINATION OF SLOPE & WIDTH OF SECTION 2

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DETERMINATION OF AREA & VOLUME BETWEEN STATIONS

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CALCULATION OF MAN-DAYS & RENTAL COST

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