Induced Stress due to Area Loads
These functions calculate induced stresses due to an area load applied at the surface: induced.area performs this calculation at a specific depth, induced.area.profile performs this calculation at a series of depths.
depth(s) of interest
applied pressure at ground surface
width of loaded area
length of loaded area (rectangular foundations only)
shape of loaded area (a string containing "circle", "square", "strip", or "rectangle")
The depth(s) of interest (z) should be a single value for induced.point, and a vector of values for induced.point.profile. For induced.point.profile, the default vector of z values is 1-ft or 1-m increments, to a maximum depth of 50 ft or 50 m.
This function currently uses the approximate method of Poulos and Davis (1974). More advanced formulations are expected in future versions of this package.
Function induced.area outputs the induced vertical stress at the center of the loaded area.
Function induced.area.profile outputs a two-element list containing two vectors:
depth = vector of depths
sigmaZ = vector of induced vertical stresses below center of the loaded area
James Kaklamanos <firstname.lastname@example.org> and Kyle Elmy <ElmyK@merrimack.edu>
Poulos, H.G., and Davis, E.H. (1974). Elastic Solutions for Soil and Rock Mechanics, John Wiley, New York.
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