Abstract:Based on single2direction mapped infinite element , a new type of multi2direction mapped infinite ele2 ment is presented , which extend to infinite in two or three directions. After application to nonlinear analysis on pavement , it is found that these element s not only can be coupled to 32D isoparamteric finite element s , but also have many advantages , such as high precision with less nodes and without changing element shape , convenience to automatic mesh discretization and so on.