Torsional vibration of a pipe pile in transversely isotropic saturated soil

查看全文 作　　者：Zheng [1,2]Changjie;Hua [1,2]Jianmin;Ding [1,2]Xuanming

机构地区：[1]College of Civil Engineering, Chongqing University;[2]Key Laboratory of New Technology for Construction of Cities in Mountain Area (Chongqing University), Ministry of Education

出　　处：《Earthquake Engineering and Engineering Vibration》索引2016年第15卷第3期,共9页

基　　金：The 111 Project under Grant No.B13024;the National Natural Science Foundation of China under Grant Nos.U1134207 and 51378177;the Program for New Century Excellent Talents in University under Grant No.NCET-12-0843 摘　　要：This study considers the torsional vibration of a pipe pile in a transversely isotropic saturated soil layer. Based on Biot's poroelastic theory and the constitutive relations of the transversely isotropic medium, the dynamic governing equations of the outer and inner transversely isotropic saturated soil layers are derived. The Laplace transform is used to solve the governing equations of the outer and inner soil layers. The dynamic torsional response of the pipe pile in the frequency domain is derived utilizing 1D elastic theory and the continuous conditions at the interfaces between the pipe pile and the soils. The time domain solution is obtained by Fourier inverse transform. A parametric study is conducted to demonstrate the influence of the anisotropies of the outer and inner soil on the torsional dynamic response of the pipe pile. 关键词：横观各向同性饱和土扭转振动管桩横向各向同性介质孔隙弹性理论饱和土层拉普拉斯变换傅立叶逆变换

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Torsional vibration of a pipe pile in transversely isotropic saturated soil

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