Transient response of cavity in infinite elastic soil to anti -plane impact

Zhai Chao -jiao; Xia Tang -dai; Chen Wei -yun; Du Guo -qing

doi:10.11883/1001-1455(2014)02-0209-07

Volume 34 Issue 2

May 2014

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Zhai Chao -jiao, Xia Tang -dai, Chen Wei -yun, Du Guo -qing. Transient response of cavity in infinite elastic soil to anti -plane impact[J]. Explosion And Shock Waves, 2014, 34(2): 209-215. doi: 10.11883/1001-1455(2014)02-0209-07

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Transient response of cavity in infinite elastic soil to anti -plane impact

doi: 10.11883/1001-1455(2014)02-0209-07

1.
MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering, Zhejiang University, Hangzhou 310058, Zhejiang, China
2.
Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310058, Zhejiang, China
3.
Institute of Geotechnical Engineering, Nanjing University of Technology, Nanjing210000, Jiangsu, China
4.
Anhui Electric Power Design Institute, Hefei 230601, Anhui, China

More Information

Corresponding author: Zhai Chao-jiao, xinqingkawayi@126.com
Received Date: 2012-09-17
Rev Recd Date: 2013-03-04
Publish Date: 2014-03-25

Abstract

Abstract

To explore the transient response of a cylindrical cavity in an infinite elastic soil body to sudden anti -plane impact, the general analytical expressions were given for the displacement and stress of the soil, respectively, by using the Laplace transform.And the corresponding numerical solutions were presented.In the time domain, the dynamic responses of the infinite elastic soil to the impact load along the axial of the cavity were analyzed, and the computed results were compared with those from the numerical inversion proposed by Durbin and the static results.And there are some understandings of shear wave propagation as follows: the stress and displacement of the soil can increase instantaneously when the shear wave arrives here, then decrease gradually and tend to the static values; the shear wave spreads outward and attenuates along the radial directions, the attenuation rate is lower than that under static conditions.
- solid mechanics,
- dynamic responses,
- Laplace transform,
- cylindrical cavity,
- anti -plane,
- impact load

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References(30)

References

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