{
  "revision": "19 alternativa",
  "status": "ESTUDIO DE CENTRO SOLAMENTE; NO REEMPLAZA MADERA CANONICA V18",
  "baseline": {
    "url": "/Revision_18/Madera/index.html",
    "sha256": "6af8254d04b25b19576fe499c876bee27acb50db32b2b26d58968f0c4a6569df",
    "model": "/Revision_18/Madera/modelo.glb",
    "parts": 154,
    "long3x3": 4,
    "real3x3Mm": 70,
    "rear4x4": 2,
    "real4x4Mm": 90,
    "clearWidthMm": 994.2155009451797
  },
  "alternative": {
    "modelFile": "Centro_4x4_sin_bastidor_trasero_ESTUDIO.glb",
    "continuous4x4Columns": 4,
    "columnLengthMm": 3000,
    "actualSectionMm": 90,
    "centerCageOuterMm": [
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      800,
      3000
    ],
    "clearWidthMm": 954.2155009451797,
    "independentRearFrame": false,
    "parts": [
      {
        "id": "ALT_COL_1",
        "sectionMm": [
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          90
        ],
        "lengthMm": 3000.0,
        "endpointsMm": [
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            -355.0,
            0.0
          ],
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          ]
        ],
        "volumeM3": 0.0243,
        "massAt550KgM3": 13.364999999999998
      },
      {
        "id": "ALT_COL_2",
        "sectionMm": [
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          90
        ],
        "lengthMm": 3000.0,
        "endpointsMm": [
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          ]
        ],
        "volumeM3": 0.0243,
        "massAt550KgM3": 13.364999999999998
      },
      {
        "id": "ALT_COL_3",
        "sectionMm": [
          90,
          90
        ],
        "lengthMm": 3000.0,
        "endpointsMm": [
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          ],
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          ]
        ],
        "volumeM3": 0.024300000000000006,
        "massAt550KgM3": 13.365000000000004
      },
      {
        "id": "ALT_COL_4",
        "sectionMm": [
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          90
        ],
        "lengthMm": 3000.0,
        "endpointsMm": [
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        ],
        "volumeM3": 0.024300000000000006,
        "massAt550KgM3": 13.365000000000004
      },
      {
        "id": "ALT_H_1_-355",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 954.2155009451797,
        "endpointsMm": [
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          ],
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          ]
        ],
        "volumeM3": 0.004675655954631382,
        "massAt550KgM3": 2.57161077504726
      },
      {
        "id": "ALT_H_1_355",
        "sectionMm": [
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        ],
        "lengthMm": 954.2155009451797,
        "endpointsMm": [
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        "volumeM3": 0.004675655954631382,
        "massAt550KgM3": 2.57161077504726
      },
      {
        "id": "ALT_P_1_-522",
        "sectionMm": [
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        ],
        "lengthMm": 620.0,
        "endpointsMm": [
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        "volumeM3": 0.003037999999999999,
        "massAt550KgM3": 1.6708999999999994
      },
      {
        "id": "ALT_P_1_522",
        "sectionMm": [
          70,
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        ],
        "lengthMm": 620.0,
        "endpointsMm": [
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            35.0
          ],
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            310.0,
            35.0
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        "volumeM3": 0.003037999999999999,
        "massAt550KgM3": 1.6708999999999994
      },
      {
        "id": "ALT_H_2_-355",
        "sectionMm": [
          70,
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        ],
        "lengthMm": 954.2155009451797,
        "endpointsMm": [
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        "volumeM3": 0.004675655954631386,
        "massAt550KgM3": 2.571610775047262
      },
      {
        "id": "ALT_H_2_355",
        "sectionMm": [
          70,
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        ],
        "lengthMm": 954.2155009451797,
        "endpointsMm": [
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            355.0,
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        ],
        "volumeM3": 0.004675655954631386,
        "massAt550KgM3": 2.571610775047262
      },
      {
        "id": "ALT_P_2_-522",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 620.0,
        "endpointsMm": [
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            897.8922495274102
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          [
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        ],
        "volumeM3": 0.003037999999999999,
        "massAt550KgM3": 1.6708999999999994
      },
      {
        "id": "ALT_P_2_522",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 620.0,
        "endpointsMm": [
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        ],
        "volumeM3": 0.003037999999999999,
        "massAt550KgM3": 1.6708999999999994
      },
      {
        "id": "ALT_H_3_-355",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 954.2155009451797,
        "endpointsMm": [
          [
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        ],
        "volumeM3": 0.0046756559546314,
        "massAt550KgM3": 2.57161077504727
      },
      {
        "id": "ALT_H_3_355",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 954.2155009451797,
        "endpointsMm": [
          [
            -477.1077504725898,
            355.0,
            2102.10775047259
          ],
          [
            477.1077504725898,
            355.0,
            2102.10775047259
          ]
        ],
        "volumeM3": 0.0046756559546314,
        "massAt550KgM3": 2.57161077504727
      },
      {
        "id": "ALT_P_3_-522",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 620.0,
        "endpointsMm": [
          [
            -522.1077504725898,
            -310.0,
            2102.10775047259
          ],
          [
            -522.1077504725898,
            310.0,
            2102.10775047259
          ]
        ],
        "volumeM3": 0.003038000000000013,
        "massAt550KgM3": 1.6709000000000072
      },
      {
        "id": "ALT_P_3_522",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 620.0,
        "endpointsMm": [
          [
            522.1077504725898,
            -310.0,
            2102.10775047259
          ],
          [
            522.1077504725898,
            310.0,
            2102.10775047259
          ]
        ],
        "volumeM3": 0.003038000000000013,
        "massAt550KgM3": 1.6709000000000072
      },
      {
        "id": "ALT_H_4_-355",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 954.2155009451797,
        "endpointsMm": [
          [
            -477.1077504725898,
            -355.0,
            2965.0
          ],
          [
            477.1077504725898,
            -355.0,
            2965.0
          ]
        ],
        "volumeM3": 0.00467565595463137,
        "massAt550KgM3": 2.5716107750472537
      },
      {
        "id": "ALT_H_4_355",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 954.2155009451797,
        "endpointsMm": [
          [
            -477.1077504725898,
            355.0,
            2965.0
          ],
          [
            477.1077504725898,
            355.0,
            2965.0
          ]
        ],
        "volumeM3": 0.00467565595463137,
        "massAt550KgM3": 2.5716107750472537
      },
      {
        "id": "ALT_P_4_-522",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 620.0,
        "endpointsMm": [
          [
            -522.1077504725898,
            -310.0,
            2965.0
          ],
          [
            -522.1077504725898,
            310.0,
            2965.0
          ]
        ],
        "volumeM3": 0.0030379999999999943,
        "massAt550KgM3": 1.670899999999997
      },
      {
        "id": "ALT_P_4_522",
        "sectionMm": [
          70,
          70
        ],
        "lengthMm": 620.0,
        "endpointsMm": [
          [
            522.1077504725898,
            -310.0,
            2965.0
          ],
          [
            522.1077504725898,
            310.0,
            2965.0
          ]
        ],
        "volumeM3": 0.0030379999999999943,
        "massAt550KgM3": 1.670899999999997
      }
    ],
    "columnSectionAreaRatioVs70": 1.6530612244897962,
    "columnSecondMomentRatioVs70": 2.732611411911704,
    "woodDensityAssumedKgM3": 550,
    "coreWoodVolumeM3": 0.15890924763705105,
    "coreMassAt550KgM3": 87.40008620037811,
    "notIncluded": [
      "facade",
      "lateral frames",
      "diagonal or moment joints",
      "table",
      "feet",
      "guy anchors",
      "all hardware"
    ]
  },
  "conclusions": [
    "Section stiffness ratio applies only to isolated columns with same species/E and restraint.",
    "Removing rear frame changes complete load path and torsion; cannot certify comparable stability from larger posts.",
    "Horizontal clear spans shorten40mm relative to994.216 baseline, to954.216.",
    "Four internal depth bracing planes or engineered moment joints are needed; do not cross circular aperture in front view.",
    "Facade circle stays nominal1134.216 but clear midheightwidth954.216 due90mm columns.",
    "No independent rear90x90frame is proposed; base/guy connections remain to calculate."
  ]
}