{ "schema": "bridge-construction-video-library/1", "updated": "2026-10-24", "scope": "第4章七种梁桥施工方法；后续可扩展至其他桥型。", "items": [ { "id": "CV-01", "method": "girder_falsework", "method_name": "支架现浇", "title": "桥位浇筑与养护：泵送混凝土、整平与覆盖", "original_title": "Waterfront Seattle Program: Marion Street Bridge Construction Time Lapse", "bridge": "Marion Street 人行桥（美国西雅图）", "publisher": "Waterfront Seattle；Seattle Department of Transportation 发布工程说明", "platform": "YouTube", "material_type": "实景延时", "duration": "22秒", "source_url": "https://sdotblog.seattle.gov/2023/02/21/marion-street-pedestrian-bridge-construction-updates/", "watch_url": "https://www.youtube.com/watch?v=LpH4QGbgJ34", "description": "Marion Street人行桥在临时支架和模板上浇筑混凝土。录像以延时摄影显示泵送、整平及覆盖养护；主管部门原文另给出支架、模板和钢筋施工的先后关系。", "watch_points": "全片较短，可完整观看；泵管与梁面作业在同一视野内。", "question": "浇筑时新混凝土的重量经哪些构件传至地面？撤架后传力路径怎样改变？", "limitations": "本片聚焦浇筑和养护，没有展示支架搭设、预应力张拉与卸架全过程；桥为人行桥，其尺寸不用于上方公路梁桥模型。", "chapter": "第4章 · 施工方法与体系转换", "chapter_anchor": "girder-method-falsework", "demo_url": "../girder-construction-single-20261019/index.html#girder_falsework", "originality": "工程业主、施工设备厂商或政府机构自行发布；来源关系见原始工程资料。", "source_check_date": "2026-10-24", "playback_check_date": "2026-10-20", "verification": "沿用 2026-10-20 原平台实播与关键帧记录；本次未逐条重播。 2026-10-24 已读取工程说明或原发布资料页。", "availability": "有实播记录", "evidence_urls": [], "read_date": "2026-10-24", "rights": "仅链接原始发布页；未复制、剪辑或重新上传视频。" }, { "id": "CV-02", "method": "girder_span_cast", "method_name": "逐孔移动模架现浇", "title": "移动模架施工现场：主桁、支承小车与梁底模板", "original_title": "BERD M60-I", "bridge": "BERD M60-I 移动模架工程", "publisher": "BERD, S.A.", "platform": "YouTube", "material_type": "工程实景", "duration": "4分41秒", "source_url": "https://www.berd.eu/en/produtos/movable-scaffolding-system/", "watch_url": "https://www.youtube.com/watch?v=F0ymQfptzK8", "description": "设备厂家公开的M60-I现场录像，用于辨认移动模架、桥墩与已成梁体之间的关系。官网将其列为逐孔桥位现浇设备，与预制节段架桥设备分别介绍。", "watch_points": "1:11附近为支承小车与主桁细节，1:28附近为梁底轨道，1:38附近为底模与已浇梁面。", "question": "移动的是模板设备还是已经形成的梁？模架支点与永久支座分别在哪里？", "limitations": "现场M60-I设备与教学模型并非同一型号；设备形式和支点构造应分别辨认。", "chapter": "第4章 · 施工方法与体系转换", "chapter_anchor": "girder-method-span-cast", "demo_url": "../girder-construction-single-20261019/index.html#girder_span_cast", "originality": "工程业主、施工设备厂商或政府机构自行发布；来源关系见原始工程资料。", "source_check_date": "2026-10-24", "playback_check_date": "2026-10-20", "verification": "沿用 2026-10-20 原平台实播与关键帧记录；本次未逐条重播。 2026-10-24 已读取工程说明或原发布资料页。", "availability": "有实播记录", "evidence_urls": [], "read_date": "2026-10-24", "rights": "仅链接原始发布页；未复制、剪辑或重新上传视频。" }, { "id": "CV-03", "method": "girder_cantilever_cast", "method_name": "挂篮悬臂浇筑", "title": "挂篮施工现场：两侧悬臂、挂篮与模板吊挂", "original_title": "Projects with CVS Cantilever Formwork Carriage - ULMA Construction [en]", "bridge": "ULMA CVS 挂篮多工程集锦", "publisher": "ULMA Construction", "platform": "YouTube", "material_type": "工程实景", "duration": "原片3分钟；正文定位1:45—1:56的梁桥片段", "source_url": "https://www.ulmaconstruction.com/en/ulma/media/videos/project-videos/projects-with-balanced-cantilever-formwork-carriage-cvs", "watch_url": "https://www.youtube.com/watch?v=sMdmsHs0pHE", "description": "ULMA公开的CVS挂篮项目实景。可对照挂篮上部桁架、下部模板吊挂和已成悬臂，辨认新节段浇筑时的施工设备。", "watch_points": "原片从1:45开始：单墩两侧悬臂与端部挂篮的完整侧景，随后为挂篮俯视及高架梁桥全景。原片0:28附近另有泵车与现场作业画面。", "question": "新节段浇筑时，底模荷载怎样经吊杆、主桁和后锚传给已成梁？", "limitations": "该片汇集多个工程，含其他桥型；建议只观看已核实的梁桥片段，设备型号和尺寸不对应教材教学模型。", "chapter": "第4章 · 施工方法与体系转换", "chapter_anchor": "girder-method-cantilever-cast", "demo_url": "../girder-construction-single-20261019/index.html#girder_cantilever_cast", "originality": "工程业主、施工设备厂商或政府机构自行发布；来源关系见原始工程资料。", "source_check_date": "2026-10-24", "playback_check_date": "2026-10-20", "verification": "沿用 2026-10-20 原平台实播与关键帧记录；本次未逐条重播。 2026-10-24 已读取工程说明或原发布资料页。", "availability": "有实播记录", "evidence_urls": [], "read_date": "2026-10-24", "rights": "仅链接原始发布页；未复制、剪辑或重新上传视频。" }, { "id": "CV-04", "method": "girder_launching_gantry", "method_name": "整片梁架设与架桥机过孔", "title": "整片预制梁架设：运梁车喂梁与架桥机接梁", "original_title": "铁路架桥机几内亚施工现场", "bridge": "几内亚铁路架梁现场", "publisher": "郑州市华中建机有限公司（华中建机）", "platform": "厂家官网", "material_type": "工程实景", "duration": "4分15秒", "source_url": "https://zzhz.com/video/7282.html", "watch_url": "https://zzhz.com/video/7282.html", "description": "厂家发布的几内亚铁路施工现场，能看到运梁车将整片混凝土梁送入架桥机，以及梁体、起吊设备与支腿的相对位置。它对应整片梁架设，与逐块预制节段悬挂拼装分别辨认。", "watch_points": "约1:20附近可见运梁车喂梁和架桥机接梁；可结合后续镜头辨认梁体移动。", "question": "画出整片梁被吊起时与落至支座后的两张简图，说明哪一步改变了梁的支承。", "limitations": "铁路工程设备与教材教学模型并非同一型号，不把视频中的尺寸、支腿构造或作业条件直接套用到模型。未声称本片覆盖架桥机全部过孔工序。", "chapter": "第4章 · 施工方法与体系转换", "chapter_anchor": "girder-method-launching-gantry", "demo_url": "../girder-construction-single-20261019/index.html#girder_launching_gantry", "originality": "工程业主、施工设备厂商或政府机构自行发布；来源关系见原始工程资料。", "source_check_date": "2026-10-24", "playback_check_date": "2026-10-20", "verification": "沿用 2026-10-20 原平台实播与关键帧记录；本次未逐条重播。 2026-10-24 已读取工程说明或原发布资料页。", "availability": "有实播记录", "evidence_urls": [], "read_date": "2026-10-24", "rights": "仅链接原始发布页；未复制、剪辑或重新上传视频。" }, { "id": "CV-05", "method": "girder_span_precast", "method_name": "逐孔预制节段拼装", "title": "架桥机逐跨推进：预制箱梁跨的形成", "original_title": "Finished Gantry Crane Works at Footscray Road", "bridge": "West Gate Tunnel 的 Footscray Road 高架（澳大利亚）", "publisher": "West Gate Tunnel Project", "platform": "YouTube", "material_type": "实景延时", "duration": "约37秒", "source_url": "https://www.youtube.com/watch?v=A1G278KGdrA", "watch_url": "https://www.youtube.com/watch?v=A1G278KGdrA", "description": "West Gate Tunnel项目官方现场延时摄影，显示Footscray Road高架施工中架桥机沿桥墩推进和混凝土梁跨形成。承包商Freyssinet公开工程说明明确这些箱梁采用逐跨拼装，主要由上行式架桥机吊装预制节段。", "watch_points": "约0:17—0:22可观察架桥机、桥墩和正在形成的梁跨；0:22附近侧景可对照架桥机下方梁体与吊挂位置。", "question": "单块节段被吊挂与整孔梁落座，是同一个受力体系吗？哪类连接使节段共同受力？", "limitations": "这是现场延时短片，不能据此观察每个节段的连接细节，也未完整展示一跨的全部吊装、预应力张拉、落梁和检查工序；项目设备与教学模型并非同一型号。", "chapter": "第4章 · 施工方法与体系转换", "chapter_anchor": "girder-method-span-precast", "demo_url": "../girder-construction-single-20261019/index.html#girder_span_precast", "originality": "工程业主、施工设备厂商或政府机构自行发布；来源关系见原始工程资料。", "source_check_date": "2026-10-24", "playback_check_date": "2026-10-20", "verification": "沿用 2026-10-20 原平台实播与关键帧记录；本次未逐条重播。 2026-10-24 复核承包商工法说明；文本检索工具未取到 YouTube 播放页。", "availability": "有实播记录", "evidence_urls": [ "https://www.freyssinet.com.au/west-gate-tunnel-melbourne/", "https://bigbuild.vic.gov.au/__data/assets/pdf_file/0010/544933/WGTP-Launching-Gantry_factsheet.pdf" ], "read_date": "2026-10-24", "rights": "仅链接原始发布页；未复制、剪辑或重新上传视频。" }, { "id": "CV-06", "method": "girder_cantilever_precast", "method_name": "预制节段悬臂拼装", "title": "预制节段悬臂拼装实景：架桥机与节段梁体", "original_title": "Construction of UK's longest railway bridge passes the half way mark", "bridge": "Colne Valley Viaduct（英国 HS2）", "publisher": "HS2 Ltd", "platform": "YouTube", "material_type": "工程实景", "duration": "1分27秒", "source_url": "https://mediacentre.hs2.org.uk/news/hs2-viaduct-build-passes-one-mile-mark-on-journey-to-become-britains-longest", "watch_url": "https://www.youtube.com/watch?v=ANad32aqIag", "description": "HS2业主公开的Colne Valley Viaduct施工进度实景，展示Dominique架桥机、预制节段梁面及桥墩施工现场。官方工程说明明确该架桥机采用平衡悬臂方法，在墩两侧安装预制节段，再向下一墩推进。", "watch_points": "0:22附近为架桥机与桥面的整体关系，0:34附近为红色主桁内部与预制梁面，0:44附近为已成梁面。原片是施工进度实景，关键帧没有完整展示一个节段从起吊到就位张拉的连续作业。", "question": "同为平衡悬臂拼装，大型架桥机与桥面吊机的临时荷载分别落在哪里？", "limitations": "该实桥采用大型架桥机起吊，教学动画采用桥面吊机；两者同属预制节段悬臂拼装，但设备支承、临时荷载及施工受力路径不同，不能直接套用动画的设备荷载。录像展示施工进度与设备，平衡悬臂方法的确认同时依据业主工程说明，不仅凭航拍外形判断。", "chapter": "第4章 · 施工方法与体系转换", "chapter_anchor": "girder-method-cantilever-precast", "demo_url": "../girder-construction-single-20261019/index.html#girder_cantilever_precast", "originality": "工程业主、施工设备厂商或政府机构自行发布；来源关系见原始工程资料。", "source_check_date": "2026-10-24", "playback_check_date": "2026-10-20", "verification": "沿用 2026-10-20 原平台实播与关键帧记录；本次未逐条重播。 2026-10-24 已读取工程说明或原发布资料页。", "availability": "有实播记录", "evidence_urls": [ "https://mediacentre.hs2.org.uk/news/britain-gets-its-new-longest-rail-bridge-in-major-hs2-milestone", "https://mediacentre.hs2.org.uk/news/hs2-celebrates-start-of-construction-on-uks-longest-railway-bridge" ], "read_date": "2026-10-24", "rights": "仅链接原始发布页；未复制、剪辑或重新上传视频。" }, { "id": "CV-07", "method": "girder_incremental_launch", "method_name": "导梁辅助顶推", "title": "混凝土梁顶推：钢导梁越墩与滑动支点作业", "original_title": "Zo bouwen wij een gloednieuw viaduct bij de A16 Terbregseplein | Timelapse", "bridge": "A16 Terbregseplein 高架桥（荷兰）", "publisher": "Rijkswaterstaat（荷兰基础设施主管部门）", "platform": "YouTube", "material_type": "实景延时", "duration": "原片1分31秒；正文定位0:20—0:55", "source_url": "https://www.youtube.com/watch?v=K56qzyYlb-w", "watch_url": "https://www.youtube.com/watch?v=K56qzyYlb-w", "description": "A16 Terbregseplein高架桥的实景延时录像。蓝色钢导梁先跨过桥墩，后方混凝土梁跟进；墩顶近景可辨认滑动支点处的操作。", "watch_points": "原片定位0:20—0:55：约0:27看导梁与混凝土梁越墩，约0:47看墩顶滑板操作。原片后段还含其他吊装和收尾画面，可从原始播放页完整观看。", "question": "导梁到达下一墩前后，支点怎样变化？为什么最不利弯矩未必出现在成桥阶段？", "limitations": "以原平台起止时间定位片段，未剪辑或下载视频；不把片中其他吊装作业归为顶推。", "chapter": "第4章 · 施工方法与体系转换", "chapter_anchor": "girder-method-incremental-launch", "demo_url": "../girder-construction-single-20261019/index.html#girder_incremental_launch", "originality": "工程业主、施工设备厂商或政府机构自行发布；来源关系见原始工程资料。", "source_check_date": "2026-10-20", "playback_check_date": "2026-10-20", "verification": "沿用 2026-10-20 原平台实播与关键帧记录；本次未逐条重播。 2026-10-24 文本检索工具未取到 YouTube 播放页，沿用原记录，不据此判断失效。", "availability": "有实播记录", "evidence_urls": [], "read_date": "2026-10-24", "rights": "仅链接原始发布页；未复制、剪辑或重新上传视频。" }, { "id": "CV-08", "method": "girder_launching_gantry", "method_name": "整片梁架设与架桥机过孔", "title": "杭州湾跨海铁路大桥：80 m 级整孔箱梁海上架设", "original_title": "2800吨“世界梁王”杭州湾跨海铁路大桥首孔80米梁箱架设到", "bridge": "杭州湾跨海铁路大桥（中国）", "publisher": "中国中铁", "platform": "抖音", "material_type": "施工报道", "duration": "时长待实播核定", "source_url": "https://jingxuan.douyin.com/m/video/7556452664737828111", "watch_url": "https://jingxuan.douyin.com/m/video/7556452664737828111", "description": "中国中铁发布的首孔预制混凝土箱梁架设记录。该孔为 80 m 级箱梁、重量 2800 t；施工方资料说明采用“天一号”运架一体船完成海上取梁、运梁和架梁。", "watch_points": "建议辨认被移动的是完整箱梁还是节段，记录运梁、起吊或落梁镜头中的临时支承。当前已核实源页文字与发布者，未对逐镜头阶段和时间点作实播确认。", "question": "同为整孔预制构件，海上运架一体船与教材架桥机的吊重、支承和运输条件有哪些不同？", "limitations": "本条属于整孔预制梁架设的设备变式，使用运架一体船，不能套用陆上架桥机过孔模型。80 m 是工程报道的跨径等级，不用它代替具体梁体几何长度。", "chapter": "第4章 · 施工方法与体系转换", "chapter_anchor": "girder-method-launching-gantry", "demo_url": "../girder-construction-single-20261019/index.html#girder_launching_gantry", "originality": "源页发布账号为中国中铁，属参建方发布入口；不据此推定所有镜头的著作权归属。", "source_check_date": "2026-10-24", "playback_check_date": null, "verification": "2026-10-24 已读取抖音精选原账号页面、标题、发布者和 2025-10-02 发布日期；未完成视频实播。", "availability": "资料页已核，播放待核", "evidence_urls": [ "https://www.crecg.com/web/xwzx61/gsyw87/2025093014412627361/index.html", "https://www.julisling.com/news/202.html" ], "read_date": "2026-10-24", "rights": "保留参建方原平台链接；未下载或重新上传视频。" }, { "id": "CV-09", "method": "girder_cantilever_cast", "method_name": "挂篮悬臂浇筑", "title": "悬臂智慧造桥机：模板、走行与钢筋骨架入模", "original_title": "智能建造 | 中铁四局自主研发国内首个悬臂智慧造桥机通过认证并投产", "bridge": "沪渝蓉高铁武宜段跨民乐渠连续梁（中国）", "publisher": "中国中铁四局（中铁四局集团有限公司官方澎湃号）", "platform": "澎湃号", "material_type": "设备介绍与工程资料", "duration": "时长待实播核定", "source_url": "https://m.thepaper.cn/newsDetail_forward_21943270", "watch_url": "https://m.thepaper.cn/newsDetail_forward_21943270", "description": "施工方在公开文章中附悬臂智慧造桥机视频介绍，并说明液压模板、自动走行、钢筋骨架整体吊装和反力预压等功能。", "watch_points": "结合源页示意图寻找承重、模板、走行三套系统；用教材挂篮模型对照其前移及卸模条件。视频入口已在原文确认，逐镜头内容和时间点尚未实播核定。", "question": "设备自动化改变了哪些操作？哪些条件仍取决于梁段、预应力和连接达到阶段要求？", "limitations": "本条依据施工方公开资料归入悬臂现浇。设备效率比较为该项目报告，不能直接当作所有挂篮的通用定额。", "chapter": "第4章 · 施工方法与体系转换", "chapter_anchor": "girder-method-cantilever-cast", "demo_url": "../girder-construction-single-20261019/index.html#girder_cantilever_cast", "originality": "页面明确标注中铁四局集团有限公司官方澎湃号；为施工方自行发布的图文与视频入口。", "source_check_date": "2026-10-24", "playback_check_date": null, "verification": "2026-10-24 已读取官方账号身份、原文日期 2023-02-14、工程和视频介绍说明；未完成视频实播。", "availability": "资料页已核，播放待核", "evidence_urls": [], "read_date": "2026-10-24", "rights": "保留施工方原发布页链接；未下载或重新上传视频。" } ] }