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Analysis of spatial variability of SPT penetration resistance in collapsible soils considering water table depth

机译:考虑地下水位深度的湿陷性土壤中SPT渗透阻力的空间变异性分析

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Geostatistical kriging approach was used for mapping of water table depth and for checking its influence on penetration resistance observed in standard penetration test (SPT). Geostatistical mapping was based on a compartmentalisation of 204 SPT records in two main groups using monthly and yearly rainfall marks as a segregation criterion. Six maps produced at 1:10,000 scale were achieved as follows: water table depth variation and penetration resistance variation at the depths of 1.5, 6.0,8.5,11.0,13.5 m. Greater variations of the penetration resistance, in terms of increase and reduction of resistance, were observed at the depths of 6.0 and 8.5 m.
机译:地统计克里金法用于绘制地下水位深度,并检查其对标准渗透试验(SPT)中观察到的抗渗透性的影响。地统计图是基于对两个主要组中204个SPT记录的分隔,使用每月和每年的降雨标记作为分隔标准。按以下方式绘制了六张以1:10,000比例尺绘制的地图:地下水位深度变化和1.5、6.0、8.5、11.0、13.5 m深度处的渗透阻力变化。在6.0和8.5 m的深度处,观察到了渗透阻力的更大变化,包括阻力的增加和减少。

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