bearingCapacityFactors: Bearing Capacity Factors

Description Usage Arguments Details Value Author(s) References See Also Examples

Description

Calculate the bearing capacity factors (Nc, Nq, Ngamma) using either the Terzaghi or Vesic methods.

Usage

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Nq(phi, case = "general", method = "Terzaghi")
Nc(phi, case = "general", method = "Terzaghi")
Ngamma(phi, case = "general", method = "Terzaghi")

Arguments

phi

friction angle (degrees)

case

"general" or "local" to indicate general or local shear failure ("general" is default)

method

"Terzaghi" or "Vesic" ("Terzaghi" is default)

Details

Value

Bearing capacity factor (Nc, Nq, or Ngamma)

Author(s)

James Kaklamanos <kaklamanosj@merrimack.edu> and Kyle Elmy <ElmyK@merrimack.edu>

References

Coduto, D.P., Kitch, W.A., and Yeung, M.R. (2016). Foundation Design: Principles and Practices, Pearson, Boston.

Terzaghi, K. (1943). Theoretical Soil Mechanics, John Wiley, New York

Vesic, A.S. (1973). Analysis of Ultimate Loads of Shallow Foundations, ASCE Journal of the Soil Mechanics and Foundations Division, Vol. 99, No. SM1, pp. 45-73.

See Also

bearingCapacity, bearingPressure

Examples

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Nq(phi = 20, case = "local", method = "Terzaghi")
Nc(phi = 20, case = "local", method = "Terzaghi")
Ngamma(phi = 20, case = "local", method = "Terzaghi")

Example output

[1] 3.875274
[1] 11.84963
[1] 1.784438

geotech documentation built on May 1, 2019, 9:09 p.m.