Skip to content

formula_8_19

codes.eurocode.en_1992_1_1_2004.chapter_8_detailing_of_reinforcement_and_prestressing_tendons.formula_8_19

Formula 8.19 from EN 1992-1-1:2004: Chapter 8 - Detailing of Reinforcement and Prestressing Tendons.

Classes:

codes.eurocode.en_1992_1_1_2004.chapter_8_detailing_of_reinforcement_and_prestressing_tendons.formula_8_19.Form8Dot19DispersionLength

Form8Dot19DispersionLength(l_pt: M, d: M)

Bases: Formula

Class representing formula 8.19 for the calculation of dispersion length [\(l_{disp}\)].

[\(l_{disp}\)] Dispersion length for prestressing tendons [\(m\)].

EN 1992-1-1:2004 art.8.10.2.2(4) - Formula (8.19)

Parameters:

  • l_pt (M) –

    [\(l_{disp}\)] Length of prestressing tendon [\(m\)].

  • d (M) –

    [\(d\)] Diameter of the tendon [\(m\)].

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_8_detailing_of_reinforcement_and_prestressing_tendons/formula_8_19.py
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
def __init__(
    self,
    l_pt: M,
    d: M,
) -> None:
    r"""[$l_{disp}$] Dispersion length for prestressing tendons [$m$].

    EN 1992-1-1:2004 art.8.10.2.2(4) - Formula (8.19)

    Parameters
    ----------
    l_pt : M
        [$l_{disp}$] Length of prestressing tendon [$m$].
    d : M
        [$d$] Diameter of the tendon [$m$].
    """
    super().__init__()
    self.l_pt = l_pt
    self.d = d

codes.eurocode.en_1992_1_1_2004.chapter_8_detailing_of_reinforcement_and_prestressing_tendons.formula_8_19.Form8Dot19DispersionLength.latex

latex(n: int = 3) -> LatexFormula

Returns LatexFormula object for formula 8.19.

Source code in blueprints/codes/eurocode/en_1992_1_1_2004/chapter_8_detailing_of_reinforcement_and_prestressing_tendons/formula_8_19.py
45
46
47
48
49
50
51
52
53
def latex(self, n: int = 3) -> LatexFormula:
    """Returns LatexFormula object for formula 8.19."""
    return LatexFormula(
        return_symbol=r"l_{disp}",
        result=f"{self:.{n}f}",
        equation=r"\sqrt{l_{pt}^2 + d^2}",
        numeric_equation=rf"\sqrt{{{self.l_pt:.{n}f}^2 + {self.d:.{n}f}^2}}",
        comparison_operator_label="=",
    )