我国又添大国重器免费在线播放
2025-01-06 19:43:38
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6月7日 常泰长江大桥项目 传来消息 计划用于大桥北主塔吊装施工的 “大国重器” W12000-450塔机 正式投入使用 这可是全球首台 万吨米级上回转塔机~ 常泰长江大桥 是首座集高速公路、城际铁路、一级公路“三位一体”的过江通道,是一座荷载超大、跨径超长的特大型桥梁。其主航道桥采用主跨1176米钢桁梁斜拉桥,是在建的世界最大跨度公铁两用斜拉桥。主塔采用“钢-混”组合结构空间钻石形四塔肢桥塔,设计总高352米,为世界第一高索塔,建成后将刷新桥梁建设纪录。 全球首台!“量身”定制 根据大桥主塔吊装施工工况,需在35米幅度位置将240吨的桥塔节段吊至350米高度。此前市面上没有满足该需求的塔机,只能为其“量身”定制。 W12000-450塔机额定起重力矩达12000吨·米,最大臂长75米,是全球首台超万吨米级的上回转超大型塔机。其最大起重重量达到450吨,最大起升高度400米,相当于可以一次起吊300辆小轿车至130层楼的高度。 有效解决三方面技术难题 “新设备最终要解决吊装控制精度要求高、吊装设备抗风能力要求高、设备吊装碰撞风险高等三个方面的问题。”中交二航局副总工程师杨秀礼表示:“我们从设计、材料、制造、机电、控制等方面反复论证,确保设备的智能化、可视化操作。”—— 塔机搭载的ETI2.0智控系统,实现塔机极限过程的数字化安全管控。 采用大功率超高压供配电技术,有效解决桥梁高塔施工的供配电难题。 顶升为多面多缸同步顶升,同步误差控制在毫米级。 缔造“速度质量”双神话 W12000-450塔机由中交二航局与中联重科联合开发,是全球首台突破万吨米级的塔式起重机。设备从需求提出到正式下线,前后仅用时10个月。 这台“庞然大物”于2021年12月29日正式运抵施工现场,历经5个多月的现场安装与调试,当前正屹立在常泰长江大桥项目工地,英姿飒爽。 卓越的技术和强大的制造能力,实现了该设备“一次性设计成功、一次性制造成功、一次性立塔成功、一次性检测成功、一次性交付成功、一次投入使用成功”等六项成功,也缔造了万吨米级塔机的“速度质量”双神话。 值得一提的是 这台万吨米级塔机 在常泰长江大桥项目建设中 完成任务后 还将转战安徽投入另一超级工程—— 巢马城际铁路马鞍山公铁两用长江大桥 持续为我国桥梁建设贡献力量 ◆图:顾祥忠 ◆通讯员:赵振宇 ◆编辑:乐文妍 黄文卿 版权声明:【泰州发布所使用的文章、图片及音乐属于相关权利人所有,因客观原因,如存在不当使用的情况,敬请相关权利人随时与我们联系及时处理。】 点 和 发布君陪伴你每一天 ↓↓↓ 原标题:《全球首台!常泰长江大桥项目又添“大国重器”》