Global Geology 2009, 12(1) 28-31 DOI:     ISSN: 1673-9736 CN: 22-1371/P

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Keywords
superstructure stiffness
soil
raft
finite element method
interaction
Authors
PubMed

Analysis of raft foundation design based on considering influence of super structure stiffness

WANG Bin1 , QIU Jianhui1 , ZHAO Dong2 , YANG Xi1 and DAI Shuai1

1. College of Construction Engineering, Jilin University, Changchun 130026, China; 2. Design Institute of Jilin Architectural and Civil Engineering Institute, Changchun 130021, China

Abstract

The finite element method was used for analysis of raft foundation design in high-rise building. Compared with other conventional methods, this method is more adapted to the practical condition since both superstructure stiffness and soil conditions were considered in calculation. The calculation results by example show that the base reaction is more uniform and the maximum reaction decreases obviously. Accordingly, the raft foundation design is more economic without any loss of security for high-rise building.

Keywords superstructure stiffness   soil   raft   finite element method   interaction  
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