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本文通过对近年来国内外地震砂土液化判别概率方法的发展介绍,阐明了《建筑抗震设计规范》(GB50011-2001)中的液化判别公式需要改进的主要问题;并着重分析介绍了《建筑抗震设计规范》(GB50011-2010)建立液化判别公式中所采用的人工网络模型、可靠度理论等新思路和新方法;进而通过对2010版规范与2001版规范液化判别公式的计算对比,分析说明了2001版规范液化公式无论形式上还是理论深度上,在与2001版规范保持最大限度的一致性和延续性的同时,也进行了更为科学、合理的改进,保证了国家标准的前瞻性、科学性和权威性。
In this paper, we introduce the development of probability methods of seismic liquefaction in earthquake at home and abroad in recent years, and clarify the main problems that need to be improved in the liquefaction discriminant formula of “code for seismic design of buildings” (GB50011-2001) Design code "(GB50011-2010) to establish liquefaction discrimination formula used in the artificial network model, the reliability theory and other new ideas and new methods; and through the 2010 version of the specification and 2001 version of the standard liquefaction discrimination formula is analyzed and explained 2001 version of the standard liquefaction formula, regardless of the form or theoretical depth, with the 2001 version of the specification to maintain maximum consistency and continuity, but also made more scientific and reasonable improvements to ensure that the national standard forward-looking, science Sexuality and authority.