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Evaluation of Ground Surface Pregrouting in a Mountain Tunnel Based on FAHP

Author

Listed:
  • Changan Zhu
  • Runfang Sun
  • Hua Xu
  • Yiwei Liu
  • Zhuang Chen

Abstract

The quality of ground surface pregrouting (GSPG) is commonly qualitatively evaluated using single factor; however, the quality evaluation involves numerous facets, and a quantitative evaluation is rare. The aim of this study was to quantitatively evaluate the quality of a GSPG based on three aspects. The fuzzy analytic hierarchy process (FAHP) was adopted to obtain the final score and quality classification of the GSPG. Based on three aspects, namely, integrity, continuity, and sturdiness, a series of field tests was also conducted, qualitatively evaluating the quality of the GSPG preliminary, to obtain the required test data and verify the FAHP results. The results of the FAHP showed that the quality of the GSPG was 86.42, which could be classified as “Good”, whereas the field tests exhibited that the GSPG was effective, thereby verifying that the FAHP was reliable. In addition, the proposed method provided a detailed comprehension of the quality evaluation of GSPG and a frame of reference for analogous engineering.

Suggested Citation

  • Changan Zhu & Runfang Sun & Hua Xu & Yiwei Liu & Zhuang Chen, 2019. "Evaluation of Ground Surface Pregrouting in a Mountain Tunnel Based on FAHP," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-17, September.
    • Handle: RePEc:hin:jnlmpe:2543584
    DOI: 10.1155/2019/2543584
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