{
  "scope": "Independent short-term hand calculation, not COSA output",
  "cases": [
    {
      "moment_knm": 120.0,
      "area_s_mm2": 1256.6370614359173,
      "alpha_e": 6.0606060606060606,
      "x_mm": 127.88578552180792,
      "i_cr_mm4": 999370097.4638836,
      "steel_stress_mpa": 234.41254031050605,
      "h_eff_mm": 124.0380714927307,
      "area_eff_mm2": 37211.42144781921,
      "rho_eff": 0.03377019776570677,
      "bar_centres_mm": 66.66666666666667,
      "sr_max_mm": 236.6804882692354,
      "raw_strain": 0.0008617118264892727,
      "strain_floor": 0.0007032376209315181,
      "delta_strain": 0.0008617118264892727,
      "wk_mm": 0.2039503758408557
    },
    {
      "moment_knm": 170.0,
      "area_s_mm2": 1256.6370614359173,
      "alpha_e": 6.0606060606060606,
      "x_mm": 127.88578552180792,
      "i_cr_mm4": 999370097.4638836,
      "steel_stress_mpa": 332.0844321065502,
      "h_eff_mm": 124.0380714927307,
      "area_eff_mm2": 37211.42144781921,
      "rho_eff": 0.03377019776570677,
      "bar_centres_mm": 66.66666666666667,
      "sr_max_mm": 236.6804882692354,
      "raw_strain": 0.0013500712854694935,
      "strain_floor": 0.0009962532963196506,
      "delta_strain": 0.0013500712854694935,
      "wk_mm": 0.31953553104319404
    }
  ]
}