Guyed Traveler Composite Design And Application Technology

In recent years, along with economic development, long-span bridge construction has entered a new stage of development. It required not only to have a larger span bridge capabilities, but also low cost. As a structure of light, a large bridge across the ability to type, Cable-stayed bridge has been a great development in recent decades. With the structure of light, materials, provincial, wind-resistant performance, linear appearance, low cost compared with steel main beam characteristics, main girder cross section for the inverted triangle of prestressed concrete cable-stayed single cable plane, are increasingly being used.Inverted triangle section of this single cable plane stayed bridge construction more difficult, using conventional construction Guyed Traveler and manner of walking are difficult to resolve, and the hanging basket front lateral is less stable. Developed to adapt to the Main Beam of this bridge construction technology, what will be cable-stayed bridge hanging basket to a new stage in promoting the development of such a bridge to further enhance the level of its construction is important.High praise Bridge is integrated in the pivot point and pull cord hanging basket hanging basket formed by the characteristics of the construction process. In this paper, a composite structural characteristics Guyed Traveler analyzed composite construction traveler guyed cantilever casting process principle, used the finite element analysis software ANSYS simulation and load testing with the measured values were compared to prove complex Cradle-type lanyards designed. Developed a composite bridge of high praise traveler guyed cantilever main girder construction process and control program, and reached the following conclusions can be used to guide the construction of similar bridges.(1) Compound utilization of traveler guyed Guyed Traveler and the general advantages in Point Hanging Basket, which can not solve these independently single cable plane, inverted triangle section girder cable-stayed bridge construction issues. Basket in the front end of the horizontal to the pull-set structure, to reduce the deformation of the traveler on both sides of truss, beam structure can guarantee the accuracy of measurements.(2) Research and development of a convenient and practical hanging basket travel basket system and running processes to ensure that the composite accuracy Guyed Traveler movement, placement and construction safety.(3) The first time traveler guyed using the compound for cable-stayed bridge girder cantilever construction, and successfully complete the task of building the bridge with high praise.