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广州新白云国际机场拟建三跑道,等级为4F。三跑道北段地基内存在浅层淤泥质土,需要经过处理,才能满足跑道的要求。地基处理设计前,根据地质条件、工程特点与工期要求,选择结构填石强夯法进行地基处理试验。通过观测及检测成果分析,表明结构填石强夯适合浅层淤泥质土地基处理,经处理后的地基能满足跑道的要求,而且工期短、造价低。该试验为三跑道北段地基处理设计与施工提供了可靠的依据、参数和经验,为在高饱和度的软塑~流塑状态的粘性土地基上建设对变形控制要求严格的大面积工程,进行了有效的探索。
Guangzhou New Baiyun International Airport proposed three runways, grade 4F. There are shallow muddy soils in the northern section of the third runway that need to be treated to meet the requirements of the runway. Before foundation design, according to the geological conditions, engineering characteristics and construction period requirements, choose the structure filled rock dynamic compaction method for foundation treatment test. Through the observation and test results analysis, it shows that the dynamic compaction of structural rockfill is suitable for shallow silt soil treatment. The treated foundation can meet the requirements of the runway, and the construction period is short and the cost is low. The test provides a reliable basis, parameters and experience for the design and construction of the foundation treatment of the northern section of the third runway. In order to build a large-scale project with rigorous deformation control requirements on the soft clay-flow plastic state of the saturated soil with high saturation, Conducted an effective exploration.