Source code for streng.codes.eurocodes.ec2.raw.ch3.concrete.elastic_deformation

"""
Concrete elastic deformation functions

    .. uml::

        class elastic_deformation <<(M,#FF7700)>> {
        .. functions ..
        + Ecm(fck)
        + ν(cracked)
        }

"""


import math
# from pyconc.CivilFuncts.Ec2.Ch3.Concrete import Strength

from . import strength


[docs]def Ecm(fck): """ Modulus of elasticity Args: fck (float): Characteristic (5%) compressive strength of concrete [MPa] Returns: float: Given using the expression: .. math:: E_{cm}=22 (\dfrac{f_{cm}}{10})^{0.3} """ return 22 * math.pow((strength.fcm(fck) / 10), 0.3)
[docs]def ν(cracked): """ Poisson's ratio Args: cracked (bool): True for cracked, False for uncracked Returns: float: 0.0 for cracked, 0.2 for uncracked """ if cracked is True: return 0.0 else: return 0.2