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Prestressed concrete beam with a tic-tac-toe economical and practical , reasonable force , beautiful appearance , so now more and more widely used in shopping malls, theaters , conference rooms , a large space in the public construction of tall buildings . Prestressed concrete structural design calculations more complex , and thus , to some extent, affect its use . Prestressed concrete structure of domestic public software less fewer prestressed shaped Beam software , This article prestressed concrete grid beam structure of the object the preparation of a the prestressed concrete grid beam computer-aided design system . This paper discusses the principle of prestressed concrete grid beam computer-aided design system design , internal force analysis matrix displacement method , Crossing Beams prestressed concrete prestressing tendons, prestressing tendons with load balance method , and then shear , torsion calculation and use of stage checking . Prestressed concrete grid beam computer-aided design system prepared to consider the problem often encountered in the actual engineering side beam torque , prestressed tendons collide , practical .
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