钢套钢直埋蒸汽（热水）保温管道施工技术

摘要

This paper from aspects as the deepening design, prefabrication, pipeline surveying and trench excavation, pipe welding, testing and cleaning introduces the steel casing buried steam (hot water) heat preservation pipeline construction. The construction has reasonable and advanced process, good effect.%本文从深化设计、工厂化预制、管线测量和管沟开挖、管道焊接、试验和清洗等方面介绍了钢套钢直埋蒸汽(热水)保温管道施工。其施工工艺合理先进，效果良好。