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author:

Huang Ming (Huang Ming.) [1] (Scholars:黄明) | Jiang Yujing (Jiang Yujing.) [2] | Liu Xinrong (Liu Xinrong.) [3] | Guan Zhenchang (Guan Zhenchang.) [4] (Scholars:关振长) | Yu Jin (Yu Jin.) [5]

Indexed by:

Scopus SCIE

Abstract:

According to the statistics and phenomenon analysis of water bursts occurred in Maluqing Tunnel of Yiwan Railway, the characteristic and the mechanism of water burst disaster occurring in water-enriched karst tunnel with high hydraulic pressure is summarized. Before the water burst occurs, dissolve gap and vascular are expanded to confluence by water pressure and the surrounding underground water is taken over. When water storage and cavity static pressure reach the critical values, the blockage layer at the bottom of the cavern will be broken through and water burst will occur instantaneously. By analyzing the observation results of rainfall, water inflow, water seepage test and water level, the water inflow is predicted by the rainfall infiltration method and statistics analysis method respectively and the key parameters of risk control, such as water storage volume of cavern, accumulation rate and mechanical properties of sedimentation and thickness of the confined bedrock are also presented. In addition, some quantitative indicators of secure access to the tunnel are obtained.

Keyword:

Karst tunnel risk aversion water burst disaster

Community:

  • [ 1 ] [Huang Ming]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Peoples R China
  • [ 2 ] [Jiang Yujing]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Peoples R China
  • [ 3 ] [Guan Zhenchang]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Peoples R China
  • [ 4 ] [Huang Ming]Chongqing Univ, Coll Civil Engn, Chongqing 400045, Peoples R China
  • [ 5 ] [Liu Xinrong]Chongqing Univ, Coll Civil Engn, Chongqing 400045, Peoples R China
  • [ 6 ] [Jiang Yujing]Nagasaki Univ, Dept Civil Engn, Nagasaki 8528521, Japan
  • [ 7 ] [Guan Zhenchang]Nagasaki Univ, Dept Civil Engn, Nagasaki 8528521, Japan
  • [ 8 ] [Yu Jin]Huaqiao Univ, Geotech Engn Inst, Xiamen 361021, Fujian, Peoples R China

Reprint 's Address:

  • 黄明

    [Huang Ming]Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Peoples R China

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Source :

DISASTER ADVANCES

ISSN: 0974-262X

Year: 2012

Issue: 4

Volume: 5

Page: 1680-1685

2 . 2 7 2

JCR@2012

2 . 2 7 2

JCR@2012

JCR Journal Grade:1

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 15

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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