Theoretical Design And Construction Study Of Simply-Supported And Continued Structure System

With the constant development of science and technology, people on the bridge-building and construction method put forward higher requirements, after long-term efforts, China's bridge construction project in terms of scale, or in the scientific and technological level, have been advanced in the world body Qi . Simply supported continuous beam structure is now a continuous beam bridge is the major method of construction, the construction method is to press the simple beam bridge construction, formation of simply-supported state, and then the main beam in the pier top poured into the coagulation and even the whole, be pouring concrete to achieve strength, the final formation of a continuous beam system. This construction method is simple and feasible, construction quality, reliable, high industrialization, standardization, assembly technology, the formation of a continuous beam with a stiffness, contraction joints less high-speed driving and driving comfort and so on. The combination of this first study of simple and continuous support the status quo, combined with simply supported continuous beam construction method for its application in Jilin Province carried out the corresponding studies.1, In this paper, simply supported continuous beam bridge characteristics and classification, introduced simply supported at home and abroad to switch continuous bridge in the theoretical and experimental research and development areas such as the present situation of the main research content of papers.2, based on mechanics, concrete structures and bridges design theory and other related mechanical behavior of the theory is given first, simple and continuous support of the stress and deformation of the bridge design and construction method of checking the calculation method and in accordance with the relevant theory of steel - concrete the design of composite beams were calculated and analyzed.3, based on finite element theory, the use of bridge structure calculation software, Dr. Bridges specific simple and continuous support of the first bridge project were calculated. The finite element numerical calculation, computing the structure of the construction process of stress and deformation state of the calculation results are analyzed.4, according to theoretical research-based, continuous transfer of simply supported bridges in the construction process and construction of optimization were discussed and analyzed to ensure that the first simple and continuous support of the construction of a bridge through a rational process to ensure that the process of using the bridge in the future with a the highest possible performance.The study supported the above for the simple switch to continuous bridge design and construction of the corresponding complementary role to play, to better put this construction method applied to practical engineering pave the way to play a role.