{
  "schema": "bridge-dialogue-timeline/2",
  "status": "audio_generated",
  "id": "C02",
  "duration": 98.89570833333333,
  "mp3_sha256": "1d98637183147336eedbaa49aef70f09c98021e07e08f7e44edd644a65977730",
  "wav_sha256": "5abbacb9d06725a016429e0881c92d90f8c82c6f3240264326fc404698f2ba5d",
  "turns": [
    {
      "id": "C02-01",
      "speaker": "小周",
      "role": "好奇与猜测",
      "text": "这么重的拱段，怎么送到山谷中间？",
      "beat": "arch_cable_erection",
      "phase": "guess",
      "progressStart": 0,
      "progressEnd": 0.1,
      "stage": 5,
      "stages": [
        5
      ],
      "view": "overall",
      "viewLabel": "总体观察",
      "focus": "找到山谷上方的索与正在运送的拱段。",
      "keywords": [
        "山谷",
        "拱段"
      ],
      "correction": "",
      "datum": null,
      "start": 0.0,
      "end": 4.222395833333334,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "8d2b8110e394e9b26fcfe46b164e69b17c20e9f0df0acfdbd7e5cde2257ef35a"
    },
    {
      "id": "C02-02",
      "speaker": "阿宁",
      "role": "引导与解释",
      "text": "看上方的承重主索，跑车沿它移动，再用垂直吊索把拱段吊下来。",
      "beat": "arch_cable_erection",
      "phase": "observe",
      "progressStart": 0.1,
      "progressEnd": 0.85,
      "stage": 5,
      "stages": [
        5
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "依次找出跨谷主索、跑车和竖向吊索。",
      "keywords": [
        "承重主索",
        "跑车",
        "垂直吊索"
      ],
      "correction": "",
      "datum": null,
      "start": 4.452395833333333,
      "end": 12.0775625,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "719092cbda63452db17ce5346ab29a620851ff75302993b29f242806e177c0e7"
    },
    {
      "id": "C02-03",
      "speaker": "小周",
      "role": "好奇与猜测",
      "text": "哦，像空中吊车。落到位后，这根竖索就一直吊着它？",
      "beat": "arch_cable_erection",
      "phase": "guess",
      "progressStart": 0.85,
      "progressEnd": 1,
      "stage": 5,
      "stages": [
        5
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "先看竖向吊索，再寻找拱段附近别的索。",
      "keywords": [
        "竖向吊索",
        "拱段到位"
      ],
      "correction": "",
      "datum": null,
      "start": 12.3075625,
      "end": 18.954479166666665,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "afcc38d2d1ec847221031ef762e519458694780f4ecc55e78b0b8d7a0bd36103"
    },
    {
      "id": "C02-04",
      "speaker": "阿宁",
      "role": "引导与解释",
      "text": "再找贴近拱肋的斜索，它们连到哪儿？",
      "beat": "arch_temporary_system",
      "phase": "observe",
      "progressStart": 0,
      "progressEnd": 0.25,
      "stage": 5,
      "stages": [
        5
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "从拱肋的斜索连接点向上追踪。",
      "keywords": [
        "拱肋",
        "斜索"
      ],
      "correction": "",
      "datum": null,
      "start": 19.184479166666666,
      "end": 24.0811875,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "baef8585563c4de7c37166214f9866da24d1b2d69cc071b546139f19395e8b0a"
    },
    {
      "id": "C02-05",
      "speaker": "小周",
      "role": "好奇与猜测",
      "text": "连着高塔，还向塔后拉过去。",
      "beat": "arch_temporary_system",
      "phase": "observe",
      "progressStart": 0.25,
      "progressEnd": 0.5,
      "stage": 5,
      "stages": [
        5
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "继续寻找塔后索的落点。",
      "keywords": [
        "高塔",
        "塔后"
      ],
      "correction": "",
      "datum": null,
      "start": 24.3111875,
      "end": 26.752291666666668,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "eea7f3be3c40663d2ca2a2291f11ea6378fb2eacf215ae21428fb811132e969a"
    },
    {
      "id": "C02-06",
      "speaker": "阿宁",
      "role": "引导与解释",
      "text": "这是扣索和背索，中间有临时塔，后方还有地锚。",
      "beat": "arch_temporary_system",
      "phase": "explain",
      "progressStart": 0.5,
      "progressEnd": 0.8,
      "stage": 5,
      "stages": [
        5
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "把扣索、临时塔、背索、地锚连起来看。",
      "keywords": [
        "扣索",
        "临时塔",
        "地锚"
      ],
      "correction": "竖向起重吊索与斜向扣索属于不同体系。",
      "datum": {
        "label": "画面中的临时体系",
        "value": "扣索—临时塔—背索—地锚",
        "source": "模型资料 · 施工示意"
      },
      "start": 26.982291666666665,
      "end": 32.842875,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "7d36d65fa62afc961b9556aee8efa29c18e0f35253d73935a25cd045c9f44303"
    },
    {
      "id": "C02-07",
      "speaker": "小周",
      "role": "好奇与猜测",
      "text": "所以一个负责把拱段运来，一个帮没合龙的拱站住？",
      "beat": "arch_temporary_system",
      "phase": "revise",
      "progressStart": 0.8,
      "progressEnd": 0.9,
      "stage": 5,
      "stages": [
        5
      ],
      "view": "side",
      "viewLabel": "侧面观察",
      "focus": "对照起重体系与半拱的临时支承体系。",
      "keywords": [
        "运送",
        "施工支承"
      ],
      "correction": "要区分运送构件和支承未合龙半拱。",
      "datum": null,
      "start": 33.072875,
      "end": 37.093520833333336,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "1902bc24375e9a59641b2d060c8f78e56462e6157776a99659437b72e3697ef5"
    },
    {
      "id": "C02-08",
      "speaker": "阿宁",
      "role": "引导与解释",
      "text": "对。运送靠缆索起重机，施工支承靠扣索体系。",
      "beat": "arch_temporary_system",
      "phase": "explain",
      "progressStart": 0.9,
      "progressEnd": 1,
      "stage": 5,
      "stages": [
        5
      ],
      "view": "overall",
      "viewLabel": "总体观察",
      "focus": "在同一画面辨认两套索系各自的连接对象。",
      "keywords": [
        "缆索起重机",
        "扣索体系"
      ],
      "correction": "本工法中，起重系统与扣索系统的作用不同。",
      "datum": {
        "label": "主模型的主跨",
        "value": "518.16 m；不是模型全长",
        "source": "模型资料 · New River Gorge 参数"
      },
      "start": 37.32352083333333,
      "end": 43.372083333333336,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "5ef91d988e328bbb75e528e83fb2037767ed908dca17c783d62291cfdaf22b9d"
    },
    {
      "id": "C02-09",
      "speaker": "小周",
      "role": "好奇与猜测",
      "text": "中间这点缝补上，临时索就能一起放掉了？",
      "beat": "arch_closure",
      "phase": "guess",
      "progressStart": 0,
      "progressEnd": 0.45,
      "stage": 6,
      "stages": [
        6
      ],
      "view": "side",
      "viewLabel": "侧面观察",
      "focus": "看合龙件靠近开口，此时先不拆临时索。",
      "keywords": [
        "合龙口",
        "临时索"
      ],
      "correction": "",
      "datum": null,
      "start": 43.60208333333333,
      "end": 47.4621875,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "410381a0e95a17883aba917389f2e61a57a2316372d7094408d916a4d02d5f25"
    },
    {
      "id": "C02-10",
      "speaker": "阿宁",
      "role": "引导与解释",
      "text": "先看合龙口闭合。钢桁拱连成整体，不等于扣索已经不受力。",
      "beat": "arch_closure",
      "phase": "explain",
      "progressStart": 0.45,
      "progressEnd": 1,
      "stage": 6,
      "stages": [
        6
      ],
      "view": "side",
      "viewLabel": "侧面观察",
      "focus": "对照闭合的合龙口与仍保留的扣索。",
      "keywords": [
        "合龙",
        "扣索状态"
      ],
      "correction": "连成整体，不等于临时体系已经卸载。",
      "datum": {
        "label": "当前施工状态",
        "value": "主拱合龙；临时扣索仍保留",
        "source": "模型资料 · 施工示意"
      },
      "start": 47.6921875,
      "end": 55.31575,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "e98aaad3d7554e3cb0215ace8a73a9a8c6641cdfe20441b33c97ec0637385050"
    },
    {
      "id": "C02-11",
      "speaker": "小周",
      "role": "好奇与猜测",
      "text": "我刚才把连上，当成卸完力了。",
      "beat": "arch_unloading",
      "phase": "revise",
      "progressStart": 0,
      "progressEnd": 0,
      "stage": 7,
      "stages": [
        7
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "在卸载动作开始前，再看一眼保留的临时索。",
      "keywords": [
        "连成整体",
        "卸载"
      ],
      "correction": "合龙与卸载是不同的步骤。",
      "datum": null,
      "start": 55.54575,
      "end": 59.253791666666665,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "325da11475f0b5edde4158213ff0d9e624d9af1df0c0c3ea9249e1698d17474f"
    },
    {
      "id": "C02-12",
      "speaker": "阿宁",
      "role": "引导与解释",
      "text": "合龙连接和监测结果符合要求后，才能按方案分步卸载。看扣索正逐步淡出。",
      "beat": "arch_unloading",
      "phase": "observe",
      "progressStart": 0,
      "progressEnd": 0.3,
      "stage": 7,
      "stages": [
        7
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "观察扣索按顺序淡出。",
      "keywords": [
        "分步卸载",
        "逐步退出"
      ],
      "correction": "",
      "datum": null,
      "start": 59.48379166666667,
      "end": 66.65958333333333,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "9e5587482d8c1c2d8bfee40936052e5baec16704925d8d16f5d5983a90b4f0bd"
    },
    {
      "id": "C02-13",
      "speaker": "小周",
      "role": "好奇与猜测",
      "text": "扣索原来分担的那部分荷载，也逐步转给合龙后的拱了？",
      "beat": "arch_unloading",
      "phase": "guess",
      "progressStart": 0.3,
      "progressEnd": 0.4,
      "stage": 7,
      "stages": [
        7
      ],
      "view": "side",
      "viewLabel": "侧面观察",
      "focus": "对照扣索的退出与已经连成整体的主拱。",
      "keywords": [
        "已合龙拱",
        "受力转移"
      ],
      "correction": "",
      "datum": null,
      "start": 66.88958333333333,
      "end": 71.15477083333333,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "440f2a24dc7122510f49185e8a07a3b71aa6727e07e92ad87bf685e1e21fe3ed"
    },
    {
      "id": "C02-14",
      "speaker": "阿宁",
      "role": "引导与解释",
      "text": "对。卸载还要跟踪受力和线形。",
      "beat": "arch_unloading",
      "phase": "explain",
      "progressStart": 0.4,
      "progressEnd": 0.6,
      "stage": 7,
      "stages": [
        7
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "把卸载顺序与主拱整体联系起来观察。",
      "keywords": [
        "受力",
        "线形",
        "卸载顺序"
      ],
      "correction": "退出临时体系也是受力转换过程。",
      "datum": {
        "label": "模型动作含义",
        "value": "扣索淡出表示依次卸载退出；没有计算索力",
        "source": "模型资料 · 施工示意"
      },
      "start": 71.38477083333333,
      "end": 75.6896875,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "fe21a6914f69186db1b78a6a41d69120c32203f0150f24c5a4d3bec97b099d97"
    },
    {
      "id": "C02-15",
      "speaker": "小周",
      "role": "好奇与猜测",
      "text": "那模型扣索淡出，是把一串步骤压缩了？",
      "beat": "arch_unloading",
      "phase": "guess",
      "progressStart": 0.6,
      "progressEnd": 0.7,
      "stage": 7,
      "stages": [
        7
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "注意模型动作表达了哪些过程，又省略了哪些细节。",
      "keywords": [
        "模型动作",
        "过程压缩"
      ],
      "correction": "",
      "datum": null,
      "start": 75.9196875,
      "end": 80.05091666666667,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "dec8b921faa73cbbfd6d61b1e693974eb8067968d2d72ae684b2c40467539bd2"
    },
    {
      "id": "C02-16",
      "speaker": "阿宁",
      "role": "引导与解释",
      "text": "是。真实工程要按方案分级卸载，模型只帮你看体系变化。",
      "beat": "arch_unloading",
      "phase": "explain",
      "progressStart": 0.7,
      "progressEnd": 0.9,
      "stage": 7,
      "stages": [
        7
      ],
      "view": "construction",
      "viewLabel": "施工观察",
      "focus": "把动画当作顺序示意，检查前后体系变化。",
      "keywords": [
        "分级卸载",
        "体系变化"
      ],
      "correction": "淡出动画不代表真实工程可以瞬间拆索。",
      "datum": {
        "label": "未展示的工程数据",
        "value": "分级卸载量、索力与线形监测值",
        "source": "模型资料 · 施工示意"
      },
      "start": 80.28091666666667,
      "end": 87.12733333333334,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "1b6e00a5c6ac9855dd8b9d5f7863e63ea10416c6c73a2ce3f717f69dab8d74cb"
    },
    {
      "id": "C02-17",
      "speaker": "小周",
      "role": "好奇与猜测",
      "text": "懂了，先合龙，再有控制地退出临时体系。",
      "beat": "arch_unloading",
      "phase": "revise",
      "progressStart": 0.9,
      "progressEnd": 1,
      "stage": 7,
      "stages": [
        7
      ],
      "view": "overall",
      "viewLabel": "总体观察",
      "focus": "回顾两个动作的先后关系。",
      "keywords": [
        "合龙",
        "受控退出"
      ],
      "correction": "先形成合龙整体，再按方案卸载临时体系。",
      "datum": null,
      "start": 87.35733333333333,
      "end": 92.45504166666667,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "1cb812075f2d0591a796e9865fc53ff10629a4c6dcaa92a5fa91fd5d41e8fca8"
    },
    {
      "id": "C02-18",
      "speaker": "阿宁",
      "role": "引导与解释",
      "text": "暂停对比这两个时刻：连成整体，和临时体系卸载完成。",
      "beat": "arch_unloading",
      "phase": "revise",
      "progressStart": 1,
      "progressEnd": 1,
      "stage": 7,
      "stages": [
        7
      ],
      "view": "overall",
      "viewLabel": "总体观察",
      "focus": "暂停，分别返回合龙完成与卸载完成的画面。",
      "keywords": [
        "暂停对比",
        "两种状态"
      ],
      "correction": "判断施工状态，要看连接和临时支承是否都发生了变化。",
      "datum": null,
      "start": 92.68504166666666,
      "end": 98.89570833333333,
      "time_basis": "measured_pcm_delivery_after_edge_trim_and_optional_tempo",
      "source_sha256": "2fd5dd73853ba276f6c301ca8e8c67c6b475209f3818e5b1e59635d8a2ec90d3"
    }
  ]
}