Test Research on Health Criterion of Cavities Behind the Lining

Abstract:

It’s very common that there are cavities after the lining and seriously affects the health of the tunnels. According to the status that the health standard is not uniform at present, the health levels can be divided into four parts: health, sub-health, disease and sick into death. For studying the single index criterion of lining cavities, and introducing lab large-scale model test combining the engineering example, analyzing the variety of structure bearing capacity, disease producing shapes and varying rule and so on where are different dimension cavities after lining. The results show that the carrying capacity curve expresses reverse S characteristic, it can be divided into slow, fast and complete degradation basis on the variety of velocity, and it is uniform to the sub-health, disease and sick into death, finding out the single health criterion of cavity: it is health where no cavities after the lining, it’s sub-health when the dimension is less than 100mm, disease when the dimension is between 100mm and 550mm, it’s sick to death if the dimension were more than 550mm.

• Periodical: Advanced Materials Research (Volumes 261-263)
• Pages: 974-979
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.261-263.974
• Online since: May 2011
• Authors: Ming Li, Hong Kai Chen
• Keywords: Cavity, Criterion, Health, Lining, Test

References

[1] M.L. Filshtinsky, D. L. Bardzokas. The shear wave diffraction on tunnel cavities in an elastic layer and a half-layer [J]. Archive of Applied Mechanics, 2001, 71(4):341~352

DOI: 10.1007/s004190000139

[2] Kazuo Konagai, Muneyoshi Numada, etc. Athanasios Zafeirakos. An example of landslide-indicted damage to tunnel in the 2004 Mid-Niigata Prefecture earthquake [J]. Landslides, 2005, No 2:159~163

DOI: 10.1007/s10346-005-0057-1

[3] GUAN Baoshu, Technology Points Tunnel Maintenance Management, Beijing, china Communications Press, (2004)

[4] WANG Chunmei, Tunnels on Deterioration and Its Control Measures in Japan, Modern Tunnelling Technology, 1997,6:2 9~33.