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由于目前国内对有关钢筋混凝土烟囱筒壁开孔应力集中的研究相对滞后,行业规范中对于烟囱筒壁开洞大小、位置及数量对结构整体和局部性能的影响尚无明确规定,这样就对烟囱结构设计人员来说就缺乏足够的参考依据,更无法把握烟囱筒壁开洞参数对整个结构或者局部性能所产生的影响,造成潜在的设计隐患.结合具体工程,通过对某电厂的多开孔烟囱结构采用SAP2000和ANSYS有限元软件进行计算分析对比,可为多开孔烟囱结构工程设计提供参考.
Due to the relative backwardness of research on the stress concentration in the opening of the reinforced concrete chimney wall in China, the influence of the size, location and number of chimney cylinder wall openings on the overall structure and local performance of the chimney is not clearly defined in the industry norms, Structural designers lack sufficient reference, but also can not grasp the chimney cylinder wall hole parameters on the whole structure or local performance impact, resulting in potential design problems.Combined with specific projects, through a multi-open hole in a power plant The chimney structure is calculated and analyzed by using SAP2000 and ANSYS finite element software, which can provide reference for engineering design of multi-aperture chimney structure.