北京地下热力管线隧道水平旋喷桩预支护技术

The Horizontal Rotary Jet Grouting Pre-support Technique for the Underground Heating Power Pipeline Tunnel in Beijing

主要介绍水平旋喷桩超前支护技术在北京地下热力管线工程中的应用,重点阐述了加固原理、施工方法和技术特点,该项施工技术能为类似工程提供借鉴参考。

By introducing the pre-support technique application of the horizontal rotary jet grouting piles to the Beijing underground heating power pipeline project, this paper focuses on the consolidation principles of the horizontal rotary jet grouting pile, construction methods and technical features. This construction technique may provide a useful reference for similar projects.