Problem 1 The following table is taken for a proposed road for center lines stakes reduced levels. The roadway starts from a formation level of 89.00 and it then raises towards chainge 40 at a gradient of 1:10, then gradually reduced in slope of 1:20 till reach chainage 70. Chainage RL 0 10 20 30 40 50 60 70 88 88.4 91 90 91.5 93.5 93 92 a) draw the vertical section along the center line of the road on a horizontal scale of 1:500 and a vertical section of 1:100 b) determine cut and fill at each chainage distance c) Given that the roadway width is 5 m and the slop sides are 1:1, draw the cross section at chainages 40 and 60. PROBLEM 2 The following data represents the reduced levels of field ground results for chainages for a proposed new roadway. CHAINGE (m) REDUCED LEVEL (m) 000 51.5 100 51.7 200 52.0 300 53.0 400 53.3 500 53.8 600 54.0 700 54.5 800 55.0 900 54.0 1000 53.7 1100 53.5 1200 52.8 1300 52.4 1400 52.1 1500 51.7 The roadway starts from Chainage 0.00 in roadway reduced level of (51.5), then increasing to 53.00m at chainges 600.00m. Then reducing gradually to 50 .00 m at chainage 1500. The road width is 6 m and the side slope is 1:2. 1- Draw longitudinal sections along the centreline of the proposed roadway at a horizontal scale of 1:10,000 and a vertical scale of 1:100 2- Determine the depth of cut and height of fill at all chainage points. 3- Draw a cross-section at chainage 1300.00m
Problem 1 The following table is taken for a proposed road for center lines stakes reduced levels. The roadway starts from a formation level of 89.00 and it then raises towards chainge 40 at a gradient of 1:10, then gradually reduced in slope of 1:20 till reach chainage 70. Chainage RL 0 10 20 30 40 50 60 70 88 88.4 91 90 91.5 93.5 93 92 a) draw the vertical section along the center line of the road on a horizontal scale of 1:500 and a vertical section of 1:100 b) determine cut and fill at each chainage distance c) Given that the roadway width is 5 m and the slop sides are 1:1, draw the cross section at chainages 40 and 60. PROBLEM 2 The following data represents the reduced levels of field ground results for chainages for a proposed new roadway. CHAINGE (m) REDUCED LEVEL (m) 000 51.5 100 51.7 200 52.0 300 53.0 400 53.3 500 53.8 600 54.0 700 54.5 800 55.0 900 54.0 1000 53.7 1100 53.5 1200 52.8 1300 52.4 1400 52.1 1500 51.7 The roadway starts from Chainage 0.00 in roadway reduced level of (51.5), then increasing to 53.00m at chainges 600.00m. Then reducing gradually to 50 .00 m at chainage 1500. The road width is 6 m and the side slope is 1:2. 1- Draw longitudinal sections along the centreline of the proposed roadway at a horizontal scale of 1:10,000 and a vertical scale of 1:100 2- Determine the depth of cut and height of fill at all chainage points. 3- Draw a cross-section at chainage 1300.00m
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter14: Highway Surveys And Location
Section: Chapter Questions
Problem 14P
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Transcribed Image Text:Problem 1
The following table is taken for a proposed road for center lines stakes reduced levels. The
roadway starts from a formation level of 89.00 and it then raises towards chainge 40 at a
gradient of 1:10, then gradually reduced in slope of 1:20 till reach chainage 70.
Chainage
RL
0
10
20
30
40
50
60
70
88
88.4
91
90
91.5
93.5
93
92
a) draw the vertical section along the center line of the road on a horizontal scale of 1:500
and a vertical section of 1:100
b) determine cut and fill at each chainage distance
c) Given that the roadway width is 5 m and the slop sides are 1:1, draw the cross section at
chainages 40 and 60.
PROBLEM 2
The following data represents the reduced levels of field ground results for chainages for a
proposed new roadway.
CHAINGE (m)
REDUCED LEVEL (m)
000
51.5
100
51.7
200
52.0
300
53.0
400
53.3
500
53.8
600
54.0
700
54.5
800
55.0
900
54.0
1000
53.7
1100
53.5
1200
52.8
1300
52.4
1400
52.1
1500
51.7
The roadway starts from Chainage 0.00 in roadway reduced level of (51.5), then increasing to
53.00m at chainges 600.00m. Then reducing gradually to 50 .00 m at chainage 1500. The
road width is 6 m and the side slope is 1:2.
1- Draw longitudinal sections along the centreline of the proposed roadway at a horizontal scale
of 1:10,000 and a vertical scale of 1:100
2- Determine the depth of cut and height of fill at all chainage points.
3- Draw a cross-section at chainage 1300.00m
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