from concreteproperties import ModifiedMander
ModifiedMander(
      elastic_modulus=30e3,
      compressive_strength=30,
      tensile_strength=4.5,
      sect_type="rect",
      conc_confined=True,
      conc_tension=True,
      d=800,
      b=500,
      long_reinf_area=12 * 314,
      w_dash=[150] * 12,
      cvr=30 + 10,
      trans_spacing=125,
      trans_d_b=10,
      trans_num_d=4,
      trans_num_b=4,
      trans_f_y=500,
      eps_su=0.15,
      n_points=25,
  ).plot_stress_strain()