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Journal of Central South University of Technology

, Volume 16, Issue 6, pp 1034–1038 | Cite as

Vibration compaction characteristics of rock filling embankment

  • Ming-hui Yang (杨明辉)Email author
  • Guang-xuan Liu (刘广轩)
  • Ming-hua Zhao (赵明华)
Article

Abstract

The dynamic model experiment of the rock filling embankment was carried out to investigate the vibration compaction mechanism. The rock filling materials were compacted by the plate-vibrated compactor, and the characteristics of the rock filling materials, such as settlement, pressure change and response waveform, were measured by the dynamic earth pressure gauge and accelerometer. Moreover, a new method for detecting the compactness of the rock filling embankment was proposed based on the maximum dry density and modulus of deformation. The results show that the process of vibration compaction includes compact, elastic deformation and loose stages, and the vibratory pressure transfers to the surroundings from the vibration center in non-linear rule. Furthermore, the test results obtained by the present method are basically in agreement with those obtained by the traditional method, and the maximum relative error between them is about 0.5%.

Key words

rock filling embankment model test vibration compaction compactness 

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Copyright information

© Central South University Press and Springer Berlin Heidelberg 2009

Authors and Affiliations

  • Ming-hui Yang (杨明辉)
    • 1
    Email author
  • Guang-xuan Liu (刘广轩)
    • 1
  • Ming-hua Zhao (赵明华)
    • 1
  1. 1.College of Civil EngineeringHunan UniversityChangshaChina

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