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formula_6_57n

codes.eurocode.en_1992_1_1_2004.chapter_6_ultimate_limit_state.formula_6_57n

Formula 6.57N from EN 1992-1-1:2004: Chapter 6 - Ultimate Limit State.

Classes:

  • Form6Dot57nNuPrime –

    Class representing formula 6.57N for the calculation of [\(\nu'\)].

codes.eurocode.en_1992_1_1_2004.chapter_6_ultimate_limit_state.formula_6_57n.Form6Dot57nNuPrime 

Form6Dot57nNuPrime(f_ck: MPA)

Bases: Formula

Class representing formula 6.57N for the calculation of [\(\nu'\)].

[\(\nu'\)] Calculation of [\(\nu'\)].

EN 1992-1-1:2004 art.6.5.2(2) - Formula (6.57N)

Parameters:

  • f_ck (MPA) –

    [\(f_{ck}\)] Characteristic compressive strength of concrete [\(MPa\)].

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_6_ultimate_limit_state/formula_6_57n.py 
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def __init__(
    self,
    f_ck: MPA,
) -> None:
    r"""[$\nu'$] Calculation of [$\nu'$].

    EN 1992-1-1:2004 art.6.5.2(2) - Formula (6.57N)

    Parameters
    ----------
    f_ck : MPA
        [$f_{ck}$] Characteristic compressive strength of concrete [$MPa$].
    """
    super().__init__()
    self.f_ck = f_ck

codes.eurocode.en_1992_1_1_2004.chapter_6_ultimate_limit_state.formula_6_57n.Form6Dot57nNuPrime.latex 

latex(n: int = 3) -> LatexFormula

Returns LatexFormula object for formula 6.57N.

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_6_ultimate_limit_state/formula_6_57n.py 
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def latex(self, n: int = 3) -> LatexFormula:
    """Returns LatexFormula object for formula 6.57N."""
    _equation: str = r"1 - \frac{f_{ck}}{250}"
    _numeric_equation: str = latex_replace_symbols(
        _equation,
        {
            r"f_{ck}": f"{self.f_ck:.{n}f}",
        },
        False,
    )
    return LatexFormula(
        return_symbol=r"\nu'",
        result=f"{self:.{n}f}",
        equation=_equation,
        numeric_equation=_numeric_equation,
        comparison_operator_label="=",
        unit="-",
    )