πRoad Earthwork Estimation (Cut & Fill Method)
π₯α¨αααα΅ α¨α αα α₯α« (Earthwork) α α α₯ααα Cut (αααα) α₯α Fill (αααα΅) α αα£α ααα΅ αααα½ αα°α«αα’
1. Cut (αααα)
α¨αα¬α΅ α°α¨α (Existing Ground Level) α¨α²ααα α°α¨α (Formation Level) α αα α¨αα Cut αα°α¨ααα’
αα³α Existing Level = 101.50 m
Formation Level = 100.80 m
Cut = 101.50 β 100.80 = 0.70 m
2. Fill (αααα΅)
α¨α²ααα α°α¨α α¨αα£α© αα¬α΅ α αα α¨αα Fill αα°α¨ααα’
αα³α Existing Level = 99.60 m
Formation Level = 100.40 m
Fill = 100.40 β 99.60 = 0.80 m
3. Cross-sectional Area (A)
ααα Formula
Area = Width Γ Height
ααα α΅αα α«α
Area = (B + mz) Γ z
Where α¦
B = Formation Width
m = Side Slope
z = Cut/Fill Height
4. Volume Calculation
α Average End Area Method αα°α«αα’
Volume = (Aβ + Aβ) / 2 Γ L
Where :-
Aβ = α¨ααααͺα«α Area
Aβ = α¨ααα°αα Area
L = α ααα± α΅α΄α½αα½ αα«α¨α ααα΅
αα³α
Station 0+000
Area = 15 mΒ²
Station 0+020
Area = 25 mΒ²
Distance = 20 m
Volume = (15 + 25) Γ· 2 Γ 20
= 20 Γ 20
= 400 mΒ³
5. α¨α΅α« α°α¨α
Existing Ground Level ααα«α΅
Formation Level αααα΅
Cut ααα Fill ααα¨α΅
Cross-sectional Area αα΅αα΅
Average End Area Method α αα αα Volume (mΒ³) αα΅αα΅
α¨αααα Station Volume α αα°αα α α αα Earthwork αααα΅
Formulaαα½
Cut = Existing Level β Formation Level
Fill = Formation Level β Existing Level
Area = Width Γ Height (ααα ααα΅)
Volume = (Aβ + Aβ) Γ· 2 Γ L
πα ααα«α½α αα αα΅α« α α₯α α₯α α¨α¨α³αα½ α¨α³α½ α£αα ααα α€α°α°α₯ αααπ
https://t.me/ETCONpWORK
π₯α¨αααα΅ α¨α αα α₯α« (Earthwork) α α α₯ααα Cut (αααα) α₯α Fill (αααα΅) α αα£α ααα΅ αααα½ αα°α«αα’
1. Cut (αααα)
α¨αα¬α΅ α°α¨α (Existing Ground Level) α¨α²ααα α°α¨α (Formation Level) α αα α¨αα Cut αα°α¨ααα’
αα³α Existing Level = 101.50 m
Formation Level = 100.80 m
Cut = 101.50 β 100.80 = 0.70 m
2. Fill (αααα΅)
α¨α²ααα α°α¨α α¨αα£α© αα¬α΅ α αα α¨αα Fill αα°α¨ααα’
αα³α Existing Level = 99.60 m
Formation Level = 100.40 m
Fill = 100.40 β 99.60 = 0.80 m
3. Cross-sectional Area (A)
ααα Formula
Area = Width Γ Height
ααα α΅αα α«α
Area = (B + mz) Γ z
Where α¦
B = Formation Width
m = Side Slope
z = Cut/Fill Height
4. Volume Calculation
α Average End Area Method αα°α«αα’
Volume = (Aβ + Aβ) / 2 Γ L
Where :-
Aβ = α¨ααααͺα«α Area
Aβ = α¨ααα°αα Area
L = α ααα± α΅α΄α½αα½ αα«α¨α ααα΅
αα³α
Station 0+000
Area = 15 mΒ²
Station 0+020
Area = 25 mΒ²
Distance = 20 m
Volume = (15 + 25) Γ· 2 Γ 20
= 20 Γ 20
= 400 mΒ³
5. α¨α΅α« α°α¨α
Existing Ground Level ααα«α΅
Formation Level αααα΅
Cut ααα Fill ααα¨α΅
Cross-sectional Area αα΅αα΅
Average End Area Method α αα αα Volume (mΒ³) αα΅αα΅
α¨αααα Station Volume α αα°αα α α αα Earthwork αααα΅
Formulaαα½
Cut = Existing Level β Formation Level
Fill = Formation Level β Existing Level
Area = Width Γ Height (ααα ααα΅)
Volume = (Aβ + Aβ) Γ· 2 Γ L
πα ααα«α½α αα αα΅α« α α₯α α₯α α¨α¨α³αα½ α¨α³α½ α£αα ααα α€α°α°α₯ αααπ
https://t.me/ETCONpWORK
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