Study on the Strength of Steel Grouting Pipes in Loess
Author Information
Author(s): Fan Jiawei, Zhang Yufang, Yuan Kun, Zhou Wenjiao
Primary Institution: China Academy of Railway Sciences Co. Ltd, Beijing, China
Hypothesis
How do the bearing capacity and effective anchorage lengths of inclined steel grouting pipes compare in loess embankment slopes?
Conclusion
Inclined steel grouting pipes can effectively reinforce loess embankment slopes, with their bearing capacity significantly enhanced by splitting grouting.
Supporting Evidence
- The bearing capacity of inclined steel grouting pipes with a 9 m anchorage length increases by 22.6% compared to ordinary grouting pipes.
- Anchorage length does not significantly influence the bearing capacity of inclined steel grouting pipes in loess embankment slopes.
- The effective anchorage length of inclined steel grouting pipes increases slightly with longer anchorage lengths.
Takeaway
This study shows that special pipes can help make loess slopes stronger, and they work better when they are grouted in a certain way.
Methodology
Pull-out tests were conducted on inclined steel grouting pipes with different anchorage lengths to measure their bearing capacity and effective anchorage lengths.
Limitations
The study primarily focuses on inclined steel grouting pipes in loess and may not be applicable to other soil types.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website