{
  "method": "One-dimensional steady-state U=1/(Rsi+sum(d/lambda)+Rse)",
  "earth_lambda_W_mK": 1.2,
  "earth_lambda_sensitivity": [
    0.8,
    1.5
  ],
  "insulation_lambda_W_mK": 0.04,
  "Rsi": 0.13,
  "Rse": 0.04,
  "rows": [
    {
      "label": "50 cm de taipa",
      "earth_m": 0.5,
      "insulation_m": 0,
      "U": 1.7045454545454546,
      "heat_loss_W_per_m2_at_15K": 25.56818181818182
    },
    {
      "label": "50 cm de taipa + 8 cm de isolamento",
      "earth_m": 0.5,
      "insulation_m": 0.08,
      "U": 0.38659793814432986,
      "heat_loss_W_per_m2_at_15K": 5.798969072164947
    },
    {
      "label": "50 cm de taipa + 10 cm de isolamento",
      "earth_m": 0.5,
      "insulation_m": 0.1,
      "U": 0.3239740820734341,
      "heat_loss_W_per_m2_at_15K": 4.859611231101511
    },
    {
      "label": "50 cm de taipa + 12 cm de isolamento",
      "earth_m": 0.5,
      "insulation_m": 0.12,
      "U": 0.2788104089219331,
      "heat_loss_W_per_m2_at_15K": 4.182156133828997
    },
    {
      "label": "40 cm de taipa + 10 cm de isolamento (50 cm total)",
      "earth_m": 0.4,
      "insulation_m": 0.1,
      "U": 0.33296337402885684,
      "heat_loss_W_per_m2_at_15K": 4.994450610432852
    }
  ],
  "sources": [
    "https://www.yourhome.gov.au/materials/rammed-earth",
    "https://fenix.tecnico.ulisboa.pt/downloadFile/395146462316/Extended%20abstract%20-%20In%20situ%20evaluation%20of%20the%20thermal%20performance%20of%20rammed%20earth%20walls.pdf"
  ],
  "limitations": "Generic properties, no selected mix/product; not annual energy, whole-house comfort, regulatory certification, moisture or thermal-bridge analysis. The published 3D uses 20 cm earth + 10 cm insulation + 20 cm earth. All 15 north windows centred on the insulation plane; frame and perimeter performance not calculated."
}