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formula_6_6n

codes.eurocode.en_1992_1_1_2004.chapter_6_ultimate_limit_state.formula_6_6n

Formula 6.6n 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_6n.Form6Dot6nStrengthReductionFactor 

Form6Dot6nStrengthReductionFactor(f_ck: MPA)

Bases: Formula

Class representing formula 6.6n for the calculation of the strength reduction factor, [\(\nu\)].

[\(\nu\)] Strength reduction factor for concrete cracked in shear [\(-\)].

EN 1992-1-1:2004 art.6.2.2 (6) - Formula (6.6n)

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_6n.py 
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def __init__(
    self,
    f_ck: MPA,
) -> None:
    r"""[$\nu$] Strength reduction factor for concrete cracked in shear [$-$].

    EN 1992-1-1:2004 art.6.2.2 (6) - Formula (6.6n)

    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_6n.Form6Dot6nStrengthReductionFactor.latex 

latex(n: int = 3) -> LatexFormula

Returns LatexFormula object for formula 6.6n.

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_6_ultimate_limit_state/formula_6_6n.py 
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def latex(self, n: int = 3) -> LatexFormula:
    """Returns LatexFormula object for formula 6.6n."""
    return LatexFormula(
        return_symbol=r"\nu",
        result=f"{self:.{n}f}",
        equation=r"0.6 \cdot \left(1 - \frac{f_{ck}}{250}\right)",
        numeric_equation=rf"0.6 \cdot \left(1 - \frac{{{self.f_ck:.{n}f}}}{{250}}\right)",
        comparison_operator_label="=",
        unit="-",
    )