The relation between the clasees and design working life of structure below 50 years for places in the defferent seismic fortification intensity s is set up,which can be used for seismic appraiser and design of C type s building structures belo.
02g一级递增,并将之与各抗震设防地区50年以下的设计使用年限间建立了对应关系表,该表可以应用于设计使用年限小于50年的丙类建筑按设计使用年限进行的结构鉴定和结构设计。
This paper introduces a new concept-fuzzy little on fuzzy number, and also discusses ordering, continuity of the cut-set function, lattice structure and convergence of the sequence of fuzzy number on the basis of fuzzy little.
本文定义了关于模糊数的模糊小于的概念,并在此基础上讨论了模糊数的有序性,模糊数的截集函数的连续性,模糊数的格结构以及模糊数序列的收敛性等重要性质。