EXPERIMENTAL STUDY ON STRUCTURAL PARAMETERS OF FUXIN AEOLIAN SOIL UNDER DYNAMIC LOADS

Zhang Xiangdong; Liu Jiashun; Zhang Zhecheng

doi:10.13204/j.gyjz201308018

Volume 43 Issue 8

Dec. 2014

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Zhang Xiangdong, Liu Jiashun, Zhang Zhecheng. EXPERIMENTAL STUDY ON STRUCTURAL PARAMETERS OF FUXIN AEOLIAN SOIL UNDER DYNAMIC LOADS[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(8): 83-89. doi: 10.13204/j.gyjz201308018

Citation:

Zhang Xiangdong, Liu Jiashun, Zhang Zhecheng. EXPERIMENTAL STUDY ON STRUCTURAL PARAMETERS OF FUXIN AEOLIAN SOIL UNDER DYNAMIC LOADS[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(8): 83-89. doi: 10.13204/j.gyjz201308018

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EXPERIMENTAL STUDY ON STRUCTURAL PARAMETERS OF FUXIN AEOLIAN SOIL UNDER DYNAMIC LOADS

doi: 10.13204/j.gyjz201308018

1.
Institute of Civil Engineering and Transportation,Liaoning Technical University,Fuxin 123000,China

Received Date: 2013-02-13
Publish Date: 2013-08-20

Abstract

Abstract

The cumulated axial strain and vibration number curves were obtained through a series of dynamic triaxial tests under different dynamic stress amplitudes, confining pressures and moisture contents.The dynamic strain of link structural potential parameter(mN1), dynamic strain of friction structural potential parameter(mN2), total dynamic strain structural potential parameter(mN) were defined according to the soil structural research results and theories.The relationships among the structural parameters and tests conditions were discussed when the structural strength of aeolian soil's was destroyed.The research results showed that mN1 decreased with vibration numbers increasing, but the mN2 and mN would increased with the vibration numbers increasing.All kinds of structural parameters changed rapidly when vibration numbers were few, which showed that structural damages of aeolian soil were severe at primary vibration step.The larger dynamic stress amplitudes and moisture contents were, the larger the link stable structural dynamic strain potential parameter mfN1, the friction stable structural dynamic strain potential parameter mfN2were, and the total stable dynamic strain structural potential parameter mfN but opposite to confining pressures.The new method to determine the dynamic strength of aeolian soil was established based on the relationship between the total dynamic strain structural potential parameters and vibration numbers.

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References(25)

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