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Journal of Central South University of Technology

, Volume 13, Issue 6, pp 738–742 | Cite as

Hazard development mechanism and deformation estimation of water solution mining area

  • He Yue-guang  (贺跃光)Email author
  • Li Zhi-wei  (李志伟)
  • Yang Xiao-li  (杨小礼)
Article

Abstract

Based on the hazard development mechanism, a water solution area is closely related to the supporting effect of pressure-bearing water, the relaxing and collapsing effect of orebody interlayer, the collapsing effect of thawless material in orebody, filling effect caused by cubical expansibility of hydrate crystallization and uplifting effect of hard rock layer over cranny belt. The movement and deformation of ground surface caused by underground water solution mining is believed to be much weaker than that caused by well lane mining, which can be predicted by the stochastic medium theory method. On the basis of analysis on the engineering practice of water solution mining, its corresponding parameters can be obtained from the in-site data of the belt water and sand filling mining in engineering analog approach.

Key words

water solution mining hazard ground surface deformation and movement probability integral method 

CLC number

TD803.36 TD173+

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Copyright information

© Published by: Central South University Press, Sole distributor outside Mainland China: Springer 2006

Authors and Affiliations

  • He Yue-guang  (贺跃光)
    • 1
    Email author
  • Li Zhi-wei  (李志伟)
    • 2
  • Yang Xiao-li  (杨小礼)
    • 3
  1. 1.School of Highway EngineeringChangsha University of Science and TechnologyChangshaChina
  2. 2.School of Info-Physics and Geomatics EngineeringCentral South UniversityChangshaChina
  3. 3.School of Civil and Architectural EngineeringCentral South UniversityChangshaChina

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