Agus Setyo Muntohar, Ani Hairani, Muhammad Fikri Permana, Farid Nur Bahti
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引用次数: 0
摘要
在滑坡发生检测中，必须对降雨和土壤响应进行监测，以获得边坡特征。尽管世界范围内对降雨监测进行了大量研究，但印度尼西亚对边坡监测的研究较少。因此，本研究对粉砂质边坡的吸力、土壤含水率和降雨量进行了观测。在地面上设置了一个自动雨量计来测量降水。在0.5 m深度处安装张力仪和土壤含水量传感器;1米;距坡面1.5 m。监测是在2022年12月至2023年1月的雨季高峰期进行的。降雨量约为436.6 mm, 6小时的降雨事件占总降雨量的31%左右。预计受降雨影响，边坡安全系数降低39% ~ 40%。
Rainfall and soil response are necessary to be monitored to have slope characteristics in detecting landslide occurrence. Even though much research has been carried out worldwide for rainfall monitoring, less research has been conducted in Indonesia for slope monitoring. Therefore, this research was conducted to observe the suction, soil moisture content, and rainfall in a silty sand slope. An automatic rain gauge was set on the ground to measure precipitation. Tensiometer and soil moisture content sensors were installed at depths of 0.5 m; 1 m; and 1.5 m from the slope surface. The monitoring was conducted during the peak rainy season from December 2022 to January 2023. The rainfall amount is about 436.6 mm, and the 6 hours of rainfall events contribute a relatively sizeable rainfall amount (about 31%) to the total. The safety factor of the slope is estimated to decrease by 39%-40% due to the rainfall.
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