Lateral stress on Vertical settlement of soil
Lateral stress on Vertical settlement of soil
(OP)
Hi,
Can someone suggest me to some 'specific' literature where the effects of lateral stresses on vertical settlement have been discussed?
Thanks in advance.
Can someone suggest me to some 'specific' literature where the effects of lateral stresses on vertical settlement have been discussed?
Thanks in advance.





RE: Lateral stress on Vertical settlement of soil
http://www.math.purdue.edu/~santos/research/mi_mod...
RE: Lateral stress on Vertical settlement of soil
I actually found the answer by analyzing this paper: Handy, Richard L. "Does lateral stress really influence settlement?." Journal of geotechnical and geoenvironmental engineering 127.7 (2001): 623-626.
But the funny thing this conception is probably wrong here. Without pore-water change we can't have settlement change.
RE: Lateral stress on Vertical settlement of soil
If you just consider the vector, then you could approximate the settlement along the vector line using 1-D (or elastic) theory. You will likely get the magnitude correct, but may overstate the time, as Cv is likely isotropic and the length of the drainage path is uncertain.
Just a few thoughts. . .
f-d
ípapß gordo ainÆt no madre flaca!
RE: Lateral stress on Vertical settlement of soil
The answer is certainly yes both for consolidation and for elastic compression.
On the consolidation aspect, it is a fact that in vacuum consolidation, surcharge due to the void is far more efficient than a classical fill surcharge. What is the difference between the two ? Void is isotropic and fill surcharge isn't. Nobody dared investigate it up to now...
A "normal" "elastic" soil will show horizontal stress = vertical stress x 0.5. When you apply a ground improvement technique to these granular soils they will show the 0.5 ratio go ut to 3 or 4 (you can observe a decrease of the FR when performing CPT although the nature of the soil has not changed during the process of mass compaction !)and you often observe settlements far lower than those calculated. Hence there must be some influence of the lateral stress not on the settlements but on the settlement computation methods !
Nice subject for a thesis ! What do you think BigH ?
RE: Lateral stress on Vertical settlement of soil
I don't think lateral stress, alone, can change the vertical settlement. If you put lateral stress, it will densify the soil and certainly rise the pore water pressure up. I have modeled it with a finite element soft. Showed no change in settlement.
RE: Lateral stress on Vertical settlement of soil
Carry on. . .
f-d
ípapß gordo ainÆt no madre flaca!
RE: Lateral stress on Vertical settlement of soil
Again, I would relate back to 3-D consolidation theory . . . BigHarvey - going for a Ph.D? or double?
RE: Lateral stress on Vertical settlement of soil