Applied Mathematics and Mechanics

, Volume 29, Issue 12, pp 1651–1662

# Sensitivity analysis of soil parameters based on interval

• Jing-bo Su (苏静波)
• Guo-jian Shao (邵国建)
• Wei-jiang Chu (褚卫江)
Article

## Abstract

Interval analysis is a new uncertainty analysis method for engineering structures. In this paper, a new sensitivity analysis method is presented by introducing interval analysis which can expand applications of the interval analysis method. The interval analysis process of sensitivity factor matrix of soil parameters is given. A method of parameter intervals and decision-making target intervals is given according to the interval analysis method. With FEM, secondary developments are done for Marc and the Duncan-Chang nonlinear elastic model. Mutual transfer between FORTRAN and Marc is implemented. With practial examples, rationality and feasibility are validated. Comparison is made with some published results.

## Key words

interval analysis method sensitivity secondary development of Marc Duncan-Chang model

## Chinese Library Classification

O242.29 TU441.35

65G40

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© Shanghai University and Springer-Verlag GmbH 2008

## Authors and Affiliations

• Jing-bo Su (苏静波)
• 1
Email author
• Guo-jian Shao (邵国建)
• 2
• Wei-jiang Chu (褚卫江)
• 2
1. 1.Key Laboratory of Coastal Disaster and Defence (Hohai University)Ministry of EducationNanjingP. R. China
2. 2.College of Civil EngineeringHohai UniversityNanjingP. R. China