路基岩溶塌陷注浆整治施工工艺探讨

DISCUSSION OF CONSTRUCTION TECHNOLOGY OF GROUTING AND RENOVATION FOR SUBGRADE SLIDE AND SETTLEMENT IN KARST ZONE

文章阐述了路基岩溶塌陷的形成机理、岩溶塌陷整治原理 ,并结合内 (江 )昆 (明 )铁路梅花山至昭通段路基岩溶注浆施工 ,给出了铁路路基岩溶塌陷注浆整治的施工工艺及质量控制过程 ,强调了实际生产中的可操作性 。

This paper expounds the formation mechanism of the slide and settlement and the principle of the renovation in karst zone.Combined with the Meihua Mountain Zhaotong section of Nei Kun railway,the construction technology and the quality control process of grouting and renovation for railway subgrade in karst zone are given,emphasized the practicability in actual operation.It provides the reference basis for the analogous engineering in the future.