8/10/2019 Pad Footing With Moment
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PAD FOOTINGS SUBJECTED TO MOMENTS
Project RUMAH DAYAK
Crane Loadings
Unfactored Overturning Moment 10,120 kNm
Unfactored Vertical Load 4,260 kN
Trial Footing
Length 7.5 m
Width 7.5 m
Depth 3.3 m
Footing Weight 4455 kN
Check Overturning
Eccentricity, e 1.16 m
Check Bearing Pressure
Max. Pressure 298.9 kPa
Min. Pressure 11.0 kPa
Final Footing Size
Resultant Inside Middle Third - OK
Bearing Pressures Within Allowable Limits - OK
USE 7.5m x 7.5m x 3.3m PAD FOOTING
8/10/2019 Pad Footing With Moment
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TOWER CRANE INFORMATION
Model Potain E2/23b
Height Under Hook 13 m
Jib Length 45 m
Tip Load 2.3 tons
Mast Dimension 1.6 m
Unfactored Overturning Moment
In service 1012 t-m
Out of Service 707 t-m
Unfactored Vertical Load
In service 427 tons
Out of Service 405 tons
ROCK INFORMATION
Rock Type Lightly Weathered Limestone
Allowable Bearing Pressure 300 kPa