城市隧道防汛应急系统分析与技术探讨
作者:
作者单位:

(1.中佑勘察设计有限公司, 吉林 长春 132000;

作者简介:

吴远志(1977—), 男, 本科, 总工程师, 从事市政设计工作。

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中图分类号:

U458

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Analysis and Technical Discussion on Flood Control Emergency System of Urban Tunnel
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    摘要:

    通过工程实例,分析了四川某大型全地下刚性填埋场结构设计的要点。结合工艺设计需要将扶壁式挡土墙和箱型截面悬臂式挡土墙运用于全地下刚性填埋场中,并分析了两种挡土墙结构在填埋场中的受力状态,为截面设计选型和配筋设计提供充分依据。根据场地条件,将填埋场底板依据受力情况的不同进行分区设计,兼顾经济性和工程可靠性。

    Abstract:

    In recent years, the extreme weather events are frequently, and there are serious flood disasters in many cities. Guangzhou is located in the southernmost part of China and has the abundant rainfall all the year round. The rainstorm weather in Guangzhou is more frequent and destructive than in the past. And there are many instantaneous rainfalls exceeding the historical extremes, which cause the serious pressure on the road traffic in Guangzhou, especially for the safety of urban tunnels. The project team has made relevant research on the flood control emergency of the tunnel project under the municipal roads in Guangzhou. It is proposed that when the water in the tunnel reaches the warning water level, the signal light will be on, and the barrier gates will be automatically put down at both ends of the tunnel to prohibit the vehicle traffic. The brief introduction of tunnel drainage, and the objectives and principles of tunnel flood control emergency design are proposed. Combined with the application analysis of the system, the necessity of flood control emergency system in the new urban tunnel projects and the existing urban tunnel projects are proposed, and its application is discussed.

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历史
  • 收稿日期:2021-06-18
  • 最后修改日期:2021-06-18
  • 录用日期:2021-07-02
  • 在线发布日期: 2022-03-07
  • 出版日期: 2021-03-15
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