THEORETICAL SOLUTION OF PILING COMPACTION AND THE INFLUENCE OF PILE-SOIL-BOUNDARY CURVE HYPOTHESIS

Authors

  • Zi-kun Gao University of Lishui, Faculty of Civil Engineering Department, Li-shui Zhe-jiang 323000, China

DOI:

https://doi.org/10.14311/CEJ.2021.01.0020

Keywords:

Theoretical solution, Piling compaction, Boundary curve hypothesis, Variational method, Integral function

Abstract

Research is ongoing to find theoretical solution to three-dimensional piling compaction. Considering the spacial-axis-symmetric characteristics, the boundary surface of pile-soil interaction is expressed by polynomials of different orders. First, the curve family parameter is introduced to construct the displacement and integral function. Then, the solution of pile-soil interaction is derived by combining the constitutive relation model of Duncan-Chang and the variational theory. Results of engineering computing show that the theoretical solution converges to the classical CEM and the limit equilibrium theory well at the corresponding computing area. Moreover, the effects of polynomial of different orders on the calculation results are not obvious. The conclusion in this paper can be used for reference in the derivation and application for other interaction of structure and soil problems.

References

Sagaseta. Analysis of undrained soil deformation due to ground loss[J]. Geotechnique,1987, 37(3): 301-320

Sagaseta. Prediction of Ground Movements Due to Pile- Driving in Clay [J]. Journal of Geotechnical and Geoenvironmental Engineering. 2001, 127(1): 55-66.

Luo Zhanyou. Study on compacting effects and construction measures of jacked pile [D]. Hangzhou: Zhejiang University, 2004. 19-21 ( in Chinese)

Wang Pengcheng. Study on Cavities Expansion in Soils with Softening and Dilation and Analysis of Pile Driving Effects [D]. Hangzhou: Zhejiang Univ. 2005. 175-177 ( in Chinese)

Zhu Ning. Theoretical Analysis of Soil Deformation Due to Pile Jacking [D]. Nanjing: Hohai Univ., 2005. 131-132. ( in Chinese)

Niu Yangjun. Modernistic Variation Principle[M]. Beijing: Press of Beijing University of Technology, 1992 (in Chinese)

Wang Xucheng, Shao Min. Numerical method and basic theory of finite element method [M]. Beijing: Tsinghua University Press, 1997.

QIAN J H, YIN Z Z. Principle and calculation of geotechnical engineering[M].2nd ed. Beijing: China Water & Power Press,1996(in Chinese).

ZHENG Ying-ren, SHEN Zhu-jiang, GONG Xiao-nan. The principles of geotechnical plastic mechanics[M]. Beijing: China Architecture and Building Press, 2002: 180-183. (in Chinese))

GAO Zi-kun. Theoretical Analysis of Soil Squeezing Effect and Conslidation Characteristic Due to Pile Jacked [D]. Nanjing: Hohai Univ., 2007. 57-66. ( in Chinese)

Xu Zhi-lun. Elastic mechanics[M]. 3rd ed. Beijing: Higher Education Press, 1984: 274-278. ( in Chinese))

Carter, J.P., Randolph, M.F. and Wroth, C.P. (1979). Stress and pore pressure changes in clay during and after the expansion of cylindrical cavity. Int. J. for Num. and Analy. in Geomech. Vol.3, 1979.

RANDOLPH M F, CARTER J P, WROTH C P. Driven piles in clay - the effects of installation and subsequent consolidation[J]. Géotechnique, 1979, 29(4): 361-393.

Visic, A. C., Expansion of Cavity in Infinite Soil Mass, Jour. Soil Mech. Found. Div., A. S. C. E., 1972, 98(3), 265-289.

Atkinson, J. H. and Bransby P. L. The Mechanics of Soils[M].McGraw-Hill, England, 1978.

TANG Shi-dong, LI Yang. Analysis of a driven pile by ANSYS. Rock And Soil Mechanics [J]. Vol. 27,2006: 973~976.

Chen Xizhe. Soil mechanics and foundation [M]. Beijing: Tsinghua Press. 2004.

Jin-Hung Hwang, Neng Liang and Cheng-Hsing Chen. Ground Respond During Pile Driving. Journal of Geotechnical and Geoenvironmental Engineering. Nov., 2001: 939~948.

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Published

2021-04-09

How to Cite

Gao, Z.- kun. (2021). THEORETICAL SOLUTION OF PILING COMPACTION AND THE INFLUENCE OF PILE-SOIL-BOUNDARY CURVE HYPOTHESIS. Stavební Obzor - Civil Engineering Journal, 30(1). https://doi.org/10.14311/CEJ.2021.01.0020

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