Question

7. Estimate the quantity of earthwork from the
following data :
15
Road width = 10m, Side slopes = 1.5:1 in cutting
and 2:1 in banking, Length of chain is 30m.
Chainage
RL of GL
| 20 | 21 | 22 | 23 |
71.20 71.2570.90 171.25
Chainage
RL of GL
24
70.80
25
70.45
26
70.20
27
70.35
Chainage
| RL of GL
28 29
69.10 | 69.45
30
69.70
Formation level = 70.00m, Upward gradient 1 in
200.​

Answer 1

Answer:

7. Estimate the quantity of earthwork from the

following data :

15

Road width = 10m, Side slopes = 1.5:1 in cutting

and 2:1 in banking, Length of chain is 30m.

Chainage

RL of GL

| 20 | 21 | 22 | 23 |

71.20 71.2570.90 171.25

Chainage

RL of GL

24

70.80

25

70.45

26

70.20

27

70.35

Chainage

| RL of GL

28 29

69.10 | 69.45

30

69.70

Formation level = 70.00m, Upward gradient 1 in

200.​

Step-by-step explanation: