Thanks for the response GeoPaveTraffic. That seems logical.
Yesterday I have noted that the Missouri Dep. of Transportation manual, Section 3.62, Page 1.2-4) see: www.modot.state.mo.us/business/manuals/documents/Section3.62.pdf) takes it from the virtual back - using Jarquio (1981).
For...
A basic question with thanks in advance to those finding time to respond.
When applying the effect of strip loading behind a cantilever retaining wall:
is the distance between the wall and the strip load taken directly from the backface of the wall or is it taken from the 'virtual back' (i.e...
SirAl: thanks for the link
Focht3: this question came up on a meeting due to some concerns with weak clay seams and burried services - I realized that I am not fully aware what the actual/working stresses in the subsoil are underneath a heavy rig - hence my posting....
In the meantime, I...
Thanks for the quick response. The only additional information I have available at present is that it is a track-mounted rig with track dimensions of approx. 4.8m by 0.7m (each), a working weight of 67 metric tonnes (670 kN) and the rig type is B150E. From my perspective, I'd like to understand...
Could someone provide information (or an internet link) on pressure distribution under a CFA (continuous flight auger) rig. Is the rig ballanced (i.e. exerting uniform pressure on the foundation soil) or is an eccentric pressure distribution within the foundation soil more appropriate. In the...
