The development of utility tunnel has brought broad development space for munici-pal infrastructure.Utility tunnel has been vigorously promoted and applied because of its advantages of accommodating multiple pipelines,especially regarding heating pipelines,which improves heat supply safety.By analyzing the technical characteristics of heating pipelines within the tunnel,the paper points out the problems that should be paid attention to when heating pipelines are arranged in the utility tunnel,which provides reference for the design technology application for heating pipe-lines of utility tunnel.
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