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Experimental Study on the Dynamic Response of Saturated Sandy Soil with Different Clayey Particle Content and Skeleton Sand Size

  • Guocai Wang
  • Hao Wang
  • Yong Zhang
  • Xiaobing Xu
  • Qianqian Liu
Conference paper
Part of the Sustainable Civil Infrastructures book series (SUCI)

Abstract

The sandy soil in nature is not pure, but contains a certain content of clayey particles, which shows different characteristics under dynamic loadings. Using cyclic simple shear system, a series of tests were conducted on the saturated sandy soil to reveal the effect of fine particle content and skeleton sand size on the dynamic response of sandy soil. The experimental results show that SSR (ratio of shear stress amplitude), vibration frequency, fine particle content, and size of skeleton sand have important influence on the dynamic response of sandy soil. There exists a sharply increasing inflection point in the P-P peak shear strain curves. The relationship between the position of inflection point and the values of SSR is negatively correlated, but shows positive correlation in the first several vibration frequencies. The vibration frequency is an important factor affecting the damage of samples. There exists a critical vibration frequency and the soil samples will be destroyed if the vibration frequency exceeds the critical value. With the increasing of clayey particle content, the inflection point becomes more and more ambiguous. If the content of clayey particle exceeds 40%, the inflection point will not emerge obviously in the curves. The change law of the dynamic response and dynamic shear stress of sandy soil is different for soils with different skeleton sand size and different clayey particle content.

Keywords

Clayey particle content Amplitude of shear stress Skeleton sand size Critical vibration frequency Test 

Notes

Acknowledgements

This study is partially supported by the National Natural Science Foundation of China (Grant No. 51278466, 41302229), which is gratefully acknowledged.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Guocai Wang
    • 1
  • Hao Wang
    • 1
  • Yong Zhang
    • 1
  • Xiaobing Xu
    • 1
  • Qianqian Liu
    • 1
  1. 1.Institute of Geotechnical EngineeringZhejiang University of TechnologyHangzhouChina

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