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formula_6_55

codes.eurocode.en_1992_1_1_2004.chapter_6_ultimate_limit_state.formula_6_55

Formula 6.55 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_55.Form6Dot55DesignStrengthConcreteStruts 

Form6Dot55DesignStrengthConcreteStruts(f_cd: MPA)

Bases: Formula

Class representing formula 6.55 for the calculation of [\(\sigma_{Rd,max}\)].

[\(\sigma_{Rd,max}\)] Calculation of the design strength of concrete struts.

EN 1992-1-1:2004 art.6.5.2(1) - Formula (6.55)

Parameters:

  • f_cd (MPA) –

    [\(f_{cd}\)] Design compressive strength of concrete [\(MPa\)].

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_6_ultimate_limit_state/formula_6_55.py 
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def __init__(
    self,
    f_cd: MPA,
) -> None:
    r"""[$\sigma_{Rd,max}$] Calculation of the design strength of concrete struts.

    EN 1992-1-1:2004 art.6.5.2(1) - Formula (6.55)

    Parameters
    ----------
    f_cd : MPA
        [$f_{cd}$] Design compressive strength of concrete [$MPa$].
    """
    super().__init__()
    self.f_cd = f_cd

codes.eurocode.en_1992_1_1_2004.chapter_6_ultimate_limit_state.formula_6_55.Form6Dot55DesignStrengthConcreteStruts.latex 

latex(n: int = 3) -> LatexFormula

Returns LatexFormula object for formula 6.55.

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_6_ultimate_limit_state/formula_6_55.py 
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def latex(self, n: int = 3) -> LatexFormula:
    """Returns LatexFormula object for formula 6.55."""
    _equation: str = r"f_{cd}"
    _numeric_equation: str = latex_replace_symbols(
        _equation,
        {
            r"f_{cd}": f"{self.f_cd:.{n}f}",
        },
        False,
    )
    return LatexFormula(
        return_symbol=r"\sigma_{Rd,max}",
        result=f"{self:.{n}f}",
        equation=_equation,
        numeric_equation=_numeric_equation,
        comparison_operator_label="=",
        unit="MPa",
    )