框架式帳篷結(jié)構(gòu)抗風(fēng)可靠性分析及評(píng)價(jià)方法研究
[Abstract]:The frame tent has been widely used in military and civil engineering because of its light structure and convenient disassembly. The service life and function of tent structure are very different from that of conventional building structure. At the same time, its stiffness is small and sensitive to wind load. At present, the evaluation method of this kind of structure has not been stipulated in the relevant codes of our country, and the research on reliability evaluation method of this kind of structure in foreign countries is still in its infancy. Based on the results of full scale static test of frame tent structure, this paper analyzes the wind resistance reliability of frame tent structure, and discusses the principle of safety grade classification and reliability evaluation method of frame tent structure component. It can provide basis for the design, application and inspection of this kind of tent structure. Based on the results of full-scale static loading test of frame tent structure, the internal force and displacement of the structure under the condition of wind-rope and no-wind rope are analyzed, and the calculation program of truncated JC method is compiled. This paper analyzes the reliability of the frame tent structure components and discusses the principle of the safety grade classification for the ultimate state of the carrying capacity of the tent structure members in view of the short service period of the tent structure. Secondly, according to the experimental results of frame tent structure, the failure criterion and calculation model of frame tent structure system are established, and the wind rope failure probability and tent skeleton failure probability are studied. The reliability of the frame tent structure under different loads is analyzed by using the system reliability calculation method. Finally, the reliability evaluation method of frame tent structure is discussed by referring to the related thought of reliability evaluation standard of frame tent structure and considering the particularity of its own mechanical performance and use function.
【學(xué)位授予單位】:西安建筑科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類號(hào)】:TU352.2
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