Design project Gravity caisson wharf (Geotech (Rock berm and sand key…
Design project Gravity caisson wharf
Sliding and bearing
A2- increase variable action
Rock berm and sand key
Rock berm high bearing capacity
rock berm prevent the wearing (contact between the caisson surface and)
sand key spread the load again (cheaper, need that stable ground)
Reach a high SPT-N value pretty soon. that layer is thick.
Take account of the tide.
different stages of the construction
Bearing capacity of soil
Deflection, tilt settlement
Slide Global stability
Bishop’s method and the Morgenstern-Price method.
global stability after back fill
Sliding controling parmeter
3 loading case
Critical shear on toe of the caisson
Font wall (bending moment is concentrated at the bottom part)
Critical moment at heel (cantilever end)
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