The more constitutive relation is complex,the more parameters need be inputed, and no matter how difficulty these parameters are gotten in the lab or locale , personal influence is certainly rather much according to a good many mechanical parameters.

• 本构关系越复杂,要输入的参数就越多,且不论这些参数在室内或现场测试多么困难,相应于诸多的力学参数,其中的人为因素也必然很大。