Pre-stress steel structure, a new type of structure in which combine pre-stressed with steel structure. Adding some high strength bar in steel structure, and forcing these bars pre-stress can improve the structure capability, reduce the structure weight.

• 预应力钢结构是一种将预应力与钢结构相结合的新型结构，就是在钢结构中增加某些高强度杆件，并且对这些杆件施加预应力，使其达到改善结构性能，降低结构自重等作用。