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Back新建合浦至湛江铁路广东段卖皂河特大桥首个连续梁首阶段浇筑完成
新建合浦至湛江铁路广东段卖皂河特大桥首个连续梁首阶段浇筑完成
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中国新闻网1 hour agoBusiness3 min readChinaView translation

新建合浦至湛江铁路广东段卖皂河特大桥首个连续梁首阶段浇筑完成

合湛铁路广东段建设再传攻坚捷报,卖皂河特大桥首个支架法现浇连续梁顺利完成第一阶段混凝土浇筑。

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10月1日,新建合浦至湛江铁路广东段卖皂河特大桥首个支架法现浇连续梁顺利完成第一阶段混凝土浇筑,实现广东段桥梁上部结构施工重要突破,为项目按期推进筑牢根基。

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Why It Matters

合湛铁路是国家高速铁路网包海、沿海通道重要组成部分,设计时速350公里。

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中新网湛江10月1日电 (记者 郭军)10月1日,由厦深铁路广东有限公司管理建设,中铁大桥局集团有限公司承建的新建合浦至湛江铁路(广东段)建设再传攻坚捷报,卖皂河特大桥首个支架法现浇连续梁顺利完成第一阶段混凝土浇筑,实现广东段桥梁上部结构施工重要突破,为后续连续梁合龙、架梁通道贯通、项目按期推进筑牢根基。

合湛铁路是国家高速铁路网包海、沿海通道重要组成部分,为粤桂联通关键铁路干线。广东段途经廉江、遂溪,接入湛江西站,设计时速350公里。项目建成后,将进一步完善粤西高铁布局,打通粤桂沿海交通要道,赋能区域经济协同高质量发展。

本次施工的卖皂河特大桥连续梁属于全线重难点工程,为标段架梁通道首座连续梁,距预制箱梁架设起点仅5.8km,且上跨石油管道,管道防护管控标准高、安全风险突出。项目部经多方对接沟通、反复比选优化防护方案,最终确定采用盖板涵防护型式,并落实施工全过程专人现场监护,全方位保障石油管道运营安全。连续梁梁部采用支架法现浇施工,采用泵送一次浇筑成形工艺,对施工组织和技术保障提出了极高要求。

该连续梁全长177.5米,分三阶段浇筑,本次首阶段浇筑混凝土方量1200立方米,需不间断连续施工15小时。施工前期,项目部完成支架搭设、地基硬化预压、钢筋绑扎、模板安装等各项前置工序,开展多轮专项验收;结合南方高温多雨气候,提前制定专项施工及应急方案。浇筑全过程实行轮班值守、旁站监管,精准把控混凝土配比、输送、浇筑、振捣等关键环节,严控浇筑速度与分层厚度,全程监测支架沉降、梁体形变数据,确保每一道工序合规达标、每一处施工细节精准可控。

据悉,项目部将锚定建设总目标,抢抓施工窗口期,有序推进连续梁后续工序及全线主体工程建设,严抓安全管控、严把工程质量,高标准推进项目建设,力争早日全线通车,为粤西交通提质、产业升级、民生发展注入强劲动能。

What to Watch

AI outlook — possibilities, not facts

  • 合湛铁路广东段将推进连续梁后续工序及全线主体工程建设

    Very likely · Within months

Open Questions

  • 合湛铁路全线预计何时正式通车?

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This article was originally published by 中国新闻网.

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