An Experiment Study And Analysis On The Large Span New Type Truss String Structur

Because of their economic indexes and applicability, more and more Pipe Truss Structure ("PTS") applies to the rectangular plane of large span buildings. In order to fulfill the practical engineering requirements of these structures, many scientific research organizations have been playing increasingly important roles in actual engineering. As a matter of fact, however, to any structure, it has both advantages and disadvantagesThis dissertation combination with mechanical behaviors and structure feature of Pipe Truss Structure and Beam String Structure. Through dispose dragline and prestressed in vertical supportof bars in Beam String Structure ,we developed a new type space structure------The New TypeTruss String Structure . It is a special kind of structure which vertical support of bars in Beam String Structure .The structure not only holds the advantages of Pipe Truss Structure but also remedies it's disadvantages.Future theorical analyses and proof trail have been made for this research program, At the same time ,the definite element method is used to calculate and analyse The New Type Truss String Structure ,At the same time , we achieved a lot of theorical and proof trail date from the model. Represented the difference statics force character and other character between the The New Type Truss String Structure's and The Common String Structure's ,we summarized the date with a great deal of iconograph and table.As stared above, this new type space structure behaves much better than other truss structures, such as better rigidity, better seismic fortification, better capacity to resist wind load. Because of these advantages, the new structure should be worth applying to large span structures.