供热直埋管道技术的发展与应用

Development and Application of Direct-buried Heat-supply Pipeline

阐述了预制直埋保温管的发展历史、结构和性能,以及与地沟敷设相比,预制直埋保温管在工程造价、施工周期及使用寿命等诸方面具有的优点。

This paper expounds the developing history of prefabricated direct-buried thermal insulating pipeline and its structure and characteristics and, compared with the method of laying in trench, the prefabricated direct-buried thermal insulating pipeline has some merits in construction cost, construction period, working life and other aspects.