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济南黄土系风成-冲积、洪积成因的黄土状土,上部为全新世(Q4)堆积,下部主要为马兰期(Q3)堆积,济南长清区湿陷性黄土厚度一般为3~6m,主要为非自重湿陷性黄土,湿陷性轻微~中等,湿陷系数通常随深度逐渐减小,其标准贯入锤击数N与土层压缩模量Es0.1~0.2的经验关系为Es0.1~0.2=0.9669N,相关系数r=0.7875,二者相关性较好。该地区的地基处理方法常采用灰土垫层法和强夯法。
The loess-like soil with aeolian-alluvial and alluvial deposits in Jinan is mainly composed of Q4 accumulation in the upper part and Q3 accumulation in the lower part. The thickness of collapsible loess in Changqing District of Jinan is generally 3 ~ 6m, Mainly non-weight collapsible loess, with slight to moderate collapsibility, the collapsibility coefficient usually decreases with depth. The empirical relationship between the standard penetration hammer number N and the compressive modulus of soil layer Es0.1 ~ 0.2 is Es0 .1 ~ 0.2 = 0.9669N, the correlation coefficient r = 0.7875, the correlation between the two is better. Ground treatment methods in the region often use lime soil cushion method and dynamic consolidation method.