|Table of Contents|

Influences of Foundation Defect on Large Thickness Fill Soil Foundation by Using Cushion Method(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2012年04期
Page:
120-126
Research Field:
Publishing date:

Info

Title:
Influences of Foundation Defect on Large Thickness Fill Soil Foundation by Using Cushion Method
Author(s):
MI Hai-zhen;  GUI Na
School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China
Keywords:
foundation defect;  lime-soil cushion;  foundation form;  raft foundation;  large thickness fill soil
PACS:
TU473.2
DOI:
-
Abstract:
To assess the influence of potential defect on giant thick artificial filled soil foundation, the numerical simulation was carried out by using finite element method. The cushion bottom displacement was chosen as influence result, then the following factors including defect types(position, area), foundation form, load size and cushion thickness were considered. Results show that the raft foundation is the best in the all forms; the cushion get more unstable with additional concentration of the defect distribution. Although increasing cushion thickness is an effective method, the effect can reduced when the cushion thickness beyond a certain value. Therefore, authors suggest that the integrity(strength, stiffness)of cushion material can be considered as primary factor.

References:

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Last Update: 2012-12-20