Skip to content

table_4_4n

codes.eurocode.en_1992_1_1_2004.chapter_4_durability_and_cover.table_4_4n

Table 4.4N from EN 1992-1-1:2004: Chapter 4 - Durability and cover to reinforcement.

Classes:

codes.eurocode.en_1992_1_1_2004.chapter_4_durability_and_cover.table_4_4n.Table4Dot4nMinimumCoverDurabilityReinforcementSteel

Table4Dot4nMinimumCoverDurabilityReinforcementSteel(
    exposure_classes: Table4Dot1ExposureClasses,
    structural_class: ConcreteStructuralClassBase | int,
)

Bases: Formula

Class representing the table 4.4N for the calculation of the minimum cover [\(c_{min,dur}\)] [\(mm\)] requirements with regard to durability for reinforcement steel.

[\(c_{min,dur}\)] Calculates the minimum concrete cover with regard to durability [\(mm\)] for reinforcement steel.

EN 1992-1-1:2004 art.4.4.1.2 (5) - Table (4.4N)

Parameters:

  • exposure_classes (Table4Dot1ExposureClasses) –

    The exposure classes of the concrete. Use the [\(Table4Dot1ExposureClasses\)] class. [\(-\)]

  • structural_class (ConcreteStructuralClassBase | int) –

    The structural class of the concrete. Use the [\(Table4Dot3ConcreteStructuralClass\)] class or an integer. [\(-\)]

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_4_durability_and_cover/table_4_4n.py
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
def __init__(
    self,
    exposure_classes: Table4Dot1ExposureClasses,
    structural_class: ConcreteStructuralClassBase | int,
) -> None:
    r"""[$c_{min,dur}$] Calculates the minimum concrete cover with regard to durability [$mm$] for reinforcement steel.

    EN 1992-1-1:2004 art.4.4.1.2 (5) - Table (4.4N)

    Parameters
    ----------
    exposure_classes: Table4Dot1ExposureClasses
        The exposure classes of the concrete. Use the [$Table4Dot1ExposureClasses$] class. [$-$]
    structural_class: ConcreteStructuralClassBase | int
        The structural class of the concrete. Use the [$Table4Dot3ConcreteStructuralClass$] class or an integer. [$-$]
    """
    super().__init__()
    self.exposure_classes: Table4Dot1ExposureClasses = exposure_classes
    self.structural_class: ConcreteStructuralClassBase | int = structural_class

codes.eurocode.en_1992_1_1_2004.chapter_4_durability_and_cover.table_4_4n.Table4Dot4nMinimumCoverDurabilityReinforcementSteel.latex

latex(n: int = 0) -> LatexFormula

Returns LatexFormula object for table 4.4N.

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_4_durability_and_cover/table_4_4n.py
70
71
72
73
74
75
76
77
def latex(self, n: int = 0) -> LatexFormula:
    """Returns LatexFormula object for table 4.4N."""
    return LatexFormula(
        return_symbol=r"c_{min,dur}",
        result=f"{self:.{n}f}",
        equation=r"\text{" + rf"structural class {self.structural_class} and exposure classes ({self.exposure_classes})" + "}",
        comparison_operator_label="=",
    )