There are few softwares of prestressed concrete structure and even less of prestressed concrete cassion beam in this country. In this thesis,a prestressed concrete cassion beam computer aided design(CAD) system is presented.

• 目前国内公开的预应力混凝土结构方面的软件较少，预应力井字梁方面的软件更少，因此本文以预应力混凝土井字梁结构为对象编制了预应力混凝土井字梁计算机辅助设计系统。