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How does Soil Swell and Shrink factor work in MiTS?

MiTS Earthwork user manual can refer here

Spreadsheet MiTS 2.10.42.0 here

Grid Cluster information here

Export / Import:

Export / Import = Expanded Cut – Volume Needed Before Compacted Fill

Version used for testing; MiTS 2.10.42.0

Project file:

With slope here

Without slope here

Shrinkage / swell factor here

*using TIN as meshing method

*Grid size 25m2

*end area interval 10m

With Slope  #

MethodMiTS 2.10.42.0
DTM
Export / import 

= Expanded cut – volume needed before compacted fill

= 4978781.88 – 3183045.00

= 1795736.88 m3
Grid
Export / import 

= Expanded cut – volume needed before compacted fill

= 4835894.46 – 3013310.72

= 1822583.75 m3
End Area
Export / import 

= Expanded cut – volume needed before compacted fill

= 5940738.13 – 3173968.71

= 2766769.42 m3

Without Slope  #

Method MiTS 2.10.42.0
DTM
Export / import 

= Expanded cut – volume needed before compacted fill

= 2620542.60 – 1381138.42

= 1239404.19 m3
Grid 
Export / import 

= Expanded cut – volume needed before compacted fill

= 2729775.82 – 1319691.99

= 1410083.83 m3
End Area
Export / import 

= Expanded cut – volume needed before compacted fill

= 2201849.58 – 1347546.60

= 854302.98 m3

With shrinkage or/and swell factor (with slope) #

Shrink factor used = 0.9

Method MiTS 2.10.42.0
 DTM
Export / import 

= Expanded cut – volume needed before compacted fill

= 4278308.71 – 3256531.18

= 1021777.53 m3
Grid 
Export / import 

= Expanded cut – volume needed before compacted fill

= 4634184.73 – 3145613.42

= 1488571.30 m3
End Area 
Export / import 

= Expanded cut – volume needed before compacted fill

= 4481530.11 – 3280178.57

= 1201351.54 m3

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