The method measures the similarity of durabilityindex series of components by the use of similarity coefficient and forms a fuzzy equivalence matrix with sort function.
该方法利用相似系数在各构件的耐久性指标序列之间进行相似性度量，并形成了具有分类功能的模糊等价矩阵。
2
Taking C30 concrete for example, analysis the durabilityindex of common concrete and co-dope concrete, and proved the engineering application feasibility of fly ash for co-dope concrete.