Abstract
In order to study the static performance of a new type e vertical prestressed steel structure called mega steel frame-cable bracing structure, structure deformation, internal force of beam and column and the remaining pretension of cable under pretension, vertical load and horizontal load alone as well as pretension with vertical load, wind load combination condition were analyzed in this paper. Research shows that prestressed cable can effectively improve mechanical and deformation performance of mega beam under vertical load, improve the system stiffness and make the overall stiffness more uniform.
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