JIA Yi-gang~1,TANG Hong-yuan~2,TU Xu-qing~3(1.Institute of Design and Research,Nanchang University,Nanchang 330029,China; n, Southeast University,Nanjing 210096,China; 3.School of Architectural Engineering,Nanchang University,Nanchang 330029,China)
Abstract：The finite element method is used to analyse the behavior of nine models which are designed through one of the orthogonal way,L9（34）.And the factors influencing the behavior are analysed in this article.The formula is obtained from the average stress at
2004, Vol. 26 