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formula_3_8

codes.eurocode.en_1992_1_1_2004.chapter_3_materials.formula_3_8

Formula 3.8 from EN 1992-1-1:2004: Chapter 3 - Materials.

Classes:

codes.eurocode.en_1992_1_1_2004.chapter_3_materials.formula_3_8.Form3Dot8TotalShrinkage 

Form3Dot8TotalShrinkage(epsilon_cd: DIMENSIONLESS, epsilon_ca: DIMENSIONLESS)

Bases: Formula

Class representing formula 3.8 for the calculation of the total shrinkage.

[\(\epsilon_{cs}\)] The total shrinkage [-].

EN 1992-1-1:2004 art.3.1.4(6) - Formula (3.8)

Parameters:

  • epsilon_cd (DIMENSIONLESS) –

    [\(\epsilon_{cd}\)] Drying shrinkage [\(-\)].

  • epsilon_ca (DIMENSIONLESS) –

    [\(\epsilon_{ca}\)] Autogene shrinkage [\(-\)].

Returns:

  • None –
Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_3_materials/formula_3_8.py 
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def __init__(
    self,
    epsilon_cd: DIMENSIONLESS,
    epsilon_ca: DIMENSIONLESS,
) -> None:
    r"""[$\epsilon_{cs}$] The total shrinkage [-].

    EN 1992-1-1:2004 art.3.1.4(6) - Formula (3.8)

    Parameters
    ----------
    epsilon_cd : DIMENSIONLESS
        [$\epsilon_{cd}$] Drying shrinkage [$-$].
    epsilon_ca : DIMENSIONLESS
        [$\epsilon_{ca}$] Autogene shrinkage [$-$].

    Returns
    -------
    None
    """
    super().__init__()
    self.epsilon_cd = epsilon_cd
    self.epsilon_ca = epsilon_ca

codes.eurocode.en_1992_1_1_2004.chapter_3_materials.formula_3_8.Form3Dot8TotalShrinkage.latex 

latex(n: int = 3) -> LatexFormula

Returns LatexFormula object for formula 3.8.

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_3_materials/formula_3_8.py 
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def latex(self, n: int = 3) -> LatexFormula:
    """Returns LatexFormula object for formula 3.8."""
    return LatexFormula(
        return_symbol=r"\epsilon_{cs}",
        result=f"{self:.{n}f}",
        equation=r"\epsilon_{cd} + \epsilon_{ca}",
        numeric_equation=rf"{self.epsilon_cd:.{n}f} + {self.epsilon_ca:.{n}f}",
        comparison_operator_label="=",
    )