Earthworks (Leaving Cert DCG): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Formation level
Formation level
Target height where the road will be built; finished surface level
Cut operation in earthworks
Cut operation in earthworks
Removing excess material where ground is higher than formation level
Fill operation in earthworks
Fill operation in earthworks
Adding material where ground is lower than formation level
Cutting slope ratio
Cutting slope ratio
(45-degree angle)
Fill/embankment slope ratio
Fill/embankment slope ratio
Why fill slopes use gentler gradient than cutting slopes
Why fill slopes use gentler gradient than cutting slopes
Fill material needs more support to remain stable
Purpose of contour maps in earthworks
Purpose of contour maps in earthworks
Analyze existing ground levels and plan earthwork operations
Goal of balancing cut and fill
Goal of balancing cut and fill
Minimize need to import or export soil
Formation width
Formation width
Width of the finished road surface
Contour lines
Contour lines
Lines representing points of equal elevation