›› 2014, Vol. 35 ›› Issue (11): 3123-3128.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Particle breakage-based analysis of deformation law of calcareous sediments under high-pressure consolidation

QIN Yue, YAO Ting, WANG Ren, ZHU Chang-qi, MENG Qing-shan   

  1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
  • Received:2013-01-27 Online:2014-11-11 Published:2014-12-10

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Abstract: Researchers used high-pressure consolidation tests to study the deformation law of calcareous clast of coral reef during consolidation and rebound stages, as well as particle breaking conditions under diverse loading ways or saturated conditions. The results show that different contents of sand and gravel in sample play different roles during consolidation, which lead to different deformation laws. Loading method and aquiferous condition show appreciable impact too. Analysis of particle breakage result shows that 0.25mm is the relatively stable particle size during breaking, which is an important particle bound in particle breakage study. This finding is of great significance on using calcareous clast of coral reef as a stable packing material and increasing the stability of it.

Key words: calcareous sediments, high-pressure consolidation, particle breakage, deformation

CLC Number: 

  • TU 443
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