›› 2011, Vol. 32 ›› Issue (11): 3404-3408.

• Geotechnical Engineering • Previous Articles     Next Articles

Application of replacement method to preventing frost heave damage of geogrids

XING Shuang1，SUZUKI Teruyuki2，LI Yue-bing1，HAO Dong-xue1   

  1. 1. School of Architectural and Civil Engineering, Northeast Dianli University, Jilin, Jilin 132012, China; 2. Civil Engineering School, Kitami Institute of Technology, Kitami 090-8507, Japan
  • Received:2010-03-19 Online:2011-11-01 Published:2011-11-09

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Abstract: In seasonally frozen soil regions, geogrids used for slope reinforcement always come out of ground because of frost heaving and thus lose effectiveness. In order to study the effectiveness of replacement with non-frozen materials in preventing frost-heaving damage to geogrids, outdoor frost heave test was conducted in the site reinforced with geogrids. The frost heaving soil in one side was replaced with volcanic ash and the other was not. Comparison between the values of frost-heave of geogrids in the two different soils shows that the residual value of frost-heave of the geogrids can be reduced about 50 percent by the method of soil replacement. It is concluded that the method of soil replacement with volcanic ash is effective in preventing frost heave damage of geogrids and is of applied value

Key words: geogrids, frost heave damage, prevention, replacement method

CLC Number: 

  • TU 413
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