Construction Technology of Tunnel Consolidation Excavation in Water-rich Soft and Broken Rock Formations

PENG Jian jun

Article ID: 2612
Vol 4, Issue 1, 2024
DOI: https://doi.org/10.54517/vfc.v4i1.2612
VIEWS - 45 (Abstract)

Abstract

Combined with the example of the Junchang Tunnel of Censhui Expressway in the middle and Guangxi section of Baomao Expressway, this paper briefly introduces the four major mud and water inrush disasters that occurred, and expounds the causes of the disasters. Consolidation excavation of the tunnel has made a summary of construction technology.


Keywords

Junchang tunnel; Water-rich weak broken rock formation; Curtain grouting; Consolidation excavation.

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References

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2. Li Rong, Li Zhiguo. Research on grouting technology for fully weathered granite strata in underwater tunnels [J]. Modern Tunnel Technology, 2008, 45 (1): 21-29.

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4. Lu Chunfang. Tunnel Engineering (Typical Case of High Speed Railway Construction) [M]. Beijing: China Railway Press, 2015, 4.

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