Paper Title:
Optimization Strategy of the Long-Short-Pile Composite Foundation Based on the Settlement Control
  Abstract

By using finite difference software FLAC3D, the displacement field and stress field of the long-short-pile composite foundation were studied, as well as the distribution of axial force, neutral position and penetration amount. The effects of the main parameters of long-short-pile composite foundation on its working properties, such as the modulus and thickness of the cushion, the length and quantity of the long pile, are investigated in detail. The results show that the modulus and thickness of cushion have less effect on the foundation settlement, while they can affect the pile-soil stress ratio significantly. Moreover, increasing the number of piles can control the foundation settlement effectively. The stresses in upper soil layer can be transferred to lower soil layer effectively, with the increasing of the number of long piles. Then the foundation settlement can be reduced correspondingly. While the variation of the number of piles has less effect on the stress field when the number of piles reaches a certain extend, and the reduction of the foundation settlement tends to slow down. Further, the foundation settlement decreases with the increasing of long-pile length. Finally, based on the foundation settlement control, the recommended values of parameters are given.

  Info
Periodical
Advanced Materials Research (Volumes 243-249)
Edited by
Chaohe Chen, Yong Huang and Guangfan Li
Pages
2429-2434
DOI
10.4028/www.scientific.net/AMR.243-249.2429
Citation
Y. C. Guo, S. H. Zhang, G. Shi, N. Liu, "Optimization Strategy of the Long-Short-Pile Composite Foundation Based on the Settlement Control", Advanced Materials Research, Vols. 243-249, pp. 2429-2434, 2011
Online since
May 2011
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Ding Bang Zhang
Abstract:The new CFG pile-board structure composite foundation is a ground treatment technique based on CFG pile foundation and pile-board structure...
2415
Authors: Yu Yong Fu, Shu Wang Yan
Abstract:This article adopts the general finite element analysis software——ANSYS to do the numerical analysis and research on some Composite Soil...
1608
Authors: Bang Shu Xu, Ri Cheng Liu, Ming Gong, Zhong Yi Zeng
Chapter 1: Structural Engineering
Abstract:Auxiliary pile group closed to foundation pit can improve the stiffness of soil mass and decrease foundation pit’s transformation effectively...
426