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formula_6_73

codes.eurocode.en_1992_1_1_2004.chapter_6_ultimate_limit_state.formula_6_73

Formula 6.73 from EN 1992-1-1:2004: Chapter 6 - Ultimate Limit State.

Classes:

codes.eurocode.en_1992_1_1_2004.chapter_6_ultimate_limit_state.formula_6_73.Form6Dot73StressRatio 

Form6Dot73StressRatio(e_cd_min_equ: MPA, e_cd_max_equ: MPA)

Bases: Formula

Class representing formula 6.73 for the calculation of [\(R_{equ}\)].

[\(R_{equ}\)] Calculation of stress ratio.

EN 1992-1-1:2004 art.6.8.7(1) - Formula (6.73)

Parameters:

  • e_cd_min_equ (MPA) –

    [\(E_{cd,min,equ}\)] Minimum compressive stress level [\(MPa\)].

  • e_cd_max_equ (MPA) –

    [\(E_{cd,max,equ}\)] Maximum compressive stress level [\(MPa\)].

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_6_ultimate_limit_state/formula_6_73.py 
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def __init__(
    self,
    e_cd_min_equ: MPA,
    e_cd_max_equ: MPA,
) -> None:
    r"""[$R_{equ}$] Calculation of stress ratio.

    EN 1992-1-1:2004 art.6.8.7(1) - Formula (6.73)

    Parameters
    ----------
    e_cd_min_equ : MPA
        [$E_{cd,min,equ}$] Minimum compressive stress level [$MPa$].
    e_cd_max_equ : MPA
        [$E_{cd,max,equ}$] Maximum compressive stress level [$MPa$].
    """
    super().__init__()
    self.e_cd_min_equ = e_cd_min_equ
    self.e_cd_max_equ = e_cd_max_equ

codes.eurocode.en_1992_1_1_2004.chapter_6_ultimate_limit_state.formula_6_73.Form6Dot73StressRatio.latex 

latex(n: int = 3) -> LatexFormula

Returns LatexFormula object for formula 6.73.

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_6_ultimate_limit_state/formula_6_73.py 
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def latex(self, n: int = 3) -> LatexFormula:
    """Returns LatexFormula object for formula 6.73."""
    _equation: str = r"\frac{E_{cd,min,equ}}{E_{cd,max,equ}}"
    _numeric_equation: str = latex_replace_symbols(
        _equation,
        {
            r"E_{cd,min,equ}": f"{self.e_cd_min_equ:.{n}f}",
            r"E_{cd,max,equ}": f"{self.e_cd_max_equ:.{n}f}",
        },
        False,
    )
    return LatexFormula(
        return_symbol=r"R_{equ}",
        result=f"{self:.{n}f}",
        equation=_equation,
        numeric_equation=_numeric_equation,
        comparison_operator_label="=",
        unit="",
    )