铁科高速通河松花江特大桥合龙|少妇荡乳欲伦交换a片欧美
中新网哈尔滨7月26日电 (记者 姜辉)26日,随着最后一方混凝土顺利浇筑完成,铁科高速凤阳至方正段项目关键控制性工程通河松花江特大桥顺利合龙,标志着凤方项目重大节点任务目标圆满完成,为后续的桥面系施工和附属工程建设创造了有利条件,也为项目的交工通车奠定坚实基础。

通河松花江特大桥全长3513米,全桥由北引桥、跨堤桥、北汊主桥、南汊主桥、南引桥五部分组成,主桥单孔跨度最大为160米。
面对桥梁大体积混凝土施工、汛期防洪、冬季施工、深水作业和高空作业等施工挑战,建设团队科学调度施工时序,抢抓有利天气窗口,应用“钢筋智能数控设备”“超声波桁架摊铺机”“预应力整体穿束台车”等设备,提高施工效率和质量,历时近3年,完成全桥444根钻孔灌注桩、220根墩柱、416片预制箱梁,使用混凝土20万立方米,钢筋3万吨,主桥完成悬臂浇筑412节段,圆满完成大桥合龙任务目标。

铁科高速是国家高速公路网绥芬河至满洲里高速公路的联络线,是《黑龙江省高速公路网规划》总体布局“2866”规划网中的“纵三线”的重要组成部分。项目的实施对于贯彻落实东北振兴发展战略,完善国家和区域路网布局,促进沿线优势资源开发和区域经济社会协调发展等具有重要意义。(完)
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