Study On The Connection Structure Of Bamboo Bridge Components

With the social progress and economic development, traditional building materials, such as thedemand for steel and concrete in the world is the rapid growth. At the same time, the traditionalbuilding materials on the environment and social impacts more and more serious, especially in de-veloping countries, concrete and steel is a high energy consumption, high pollution and industrialproducts, because their production consumes a lot of energy produce large amounts of waste gas,waste water and waste, and gradually affect the global ecological environment. Sustainable devel-opment has become a major theme of today’s international community, reflecting the green, energysaving, environmental protection, low-carbon is inevitable. Therefore, the development of new en-vironmentally friendly building materials, to gradually reduce or even replace the use of traditionalbuilding materials steel and concrete, which has become the twenty-first century civil engineeringnew challenges.Bamboo is a good natural building materials, light weight, high strength, good toughness andother advantages of its own, since ancient times for construction and force structure. In the moderncivil engineering, bamboo as a basic building material because it has the following key features:first, bamboo materials in many parts of the world can find the most significant, particularly in de-veloping countries, China and India. bamboo is a giant grass growing up much faster than trees,ships can be harvested four years, but can be regenerated; second, bamboo has good mechanicalproperties play a different role in different shapes to be made easily; third, bamboo productionprocess, environmental pollution, in line with the needs of sustainable development. But unpro-cessed ordinary bamboo transverse strength, and small cross-sectional dimensions in engineeringdifficult to carry out large-scale use, especially as the main load-bearing structure, the emergence ofre-engineering of bamboo began to change this situation, restructuring bamboo on1990s began tostudy the new product is a bamboo reorganize and to strengthen the forming of new materials, highutilization of bamboo, excellent physical and mechanical properties, good processing performance,beautiful appearance, simple process, and low cost, China bamboo producing the most potential fordevelopment of resources and environmental protection-research products.Build bridges using recombinant bamboo is a tricky problem, due to the structure of the rele-vant norms of China is no bamboo, bamboo theory needs further study, which sought to reliablybamboo bridge connected and disconnected the basis of construction bamboo bridge, this articlefo-cus on the following aspects in the study of large-span bamboo bridge member connecting struc-ture:①Basic building bridges research and analysis, and articulation, focusing on the main bridge connecting the existing wooden structure constructed in the form;②Analysis to determine the availability of bamboo bridge connecting structure form, designbamboo bridge connecting structure practical solutions;③Explore the connection structure of bamboo structure design theories, including bamboostructural members computational theory, computational theory bolted design, temperature andcreep analysis of relevant theories;④member connection structure made of bamboo-related requirements, such as flexural mem-ber deflection limit compression member slenderness ratio limit, bolt spacing allowable limits;⑤Use ansys finite element analysis software, through reasonable modeling, meshing andproper loading method, get connected bamboo beam displacement and stress contours, connectingsteel components and analyze structural stiffness for Bamboo and displacement effects;⑥Focus on the fatigue performance of the connection member, and temperature, creep ofstructural stress and displacement effects.