This function computes the gross bearing pressure that a soil would experience due to a foundation.

1 | ```
bearingPressure(P, B, L, D, Dw, metric, gammaW = NA, gammaC = NA)
``` |

`P` |
Vertical gross column load (lb or kN) |

`B` |
foundation width (ft or m) |

`L` |
foundation length (ft or m) |

`D` |
Depth of foundation (ft or m) |

`Dw` |
Depth of groundwater table below foundation base (ft or m) |

`metric` |
logical variable: TRUE (for metric units) or FALSE (for English units) |

`gammaW` |
unit weight of water (default = 62.4 pcf for English units; 9.81 kN/m^3 for metric units) |

`gammaC` |
unit weight of concrete (default = 150 pcf for English units; 23.6 kN/m^3 for metric units) |

Either SI or English units can be used, but must stay consistent.

When specifying the length and width, L should be the longer of the two lengths.

For a continuous (strip) foundation, specify L = 1 and specify P as the load per unit length.

When the groundwater table is deep or unknown, set Dw >= D.

Gross bearing pressure of footing (psf or kPa)

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

`bearingPressure`

, `bearingCapacityFactors`

1 2 | ```
## Calculation of bearing pressure under a rectangular footing
bearingPressure(P = 1000, B = 2, L = 5, D = 6, Dw = 2, metric = FALSE)
``` |

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