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本文通过对《建筑抗震设计规范》中地震液化判别公式的深入分析和理解,利用极值原理和思想,提出了工程场地标贯击数理论最大临界值的概念,利用理论最大临界值,对饱和土进行了液化初判。对于饱和砂土,现场即可判别是否液化,对于饱和粉土,现场可进行是否液化的筛选,从而减少了现场采取扰动土样的数量,减少了测定黏粒含量的土工试验量,提高了岩土工程勘察效率,具有一定的理论价值和实用意义。
Based on the analysis and comprehension of the seismic liquefaction discriminant formula in Code for Seismic Design of Buildings, this paper proposes the concept of maximal critical value of landmark benchmarking theory using extreme value principle and thought. By using the theoretical maximum critical value, Soil was liquefied first sentence. For saturated sand, the site can determine whether liquefaction, for saturated silt, the site can be liquefied screening, thereby reducing the number of disturbed soil samples to reduce the amount of clay to determine the amount of geotechnical test to improve the rock Soil engineering survey efficiency, has a certain theoretical value and practical significance.