Abstract
China is a mountainous and hilly country with frequent large‐scale landslides with complicated mechanisms and serious damage. The layered rock slopes have the worst stability, undergo the most serious damage, and have been rarely investigated due to limitations of measurement methods and instruments. Taking the Nanfen open‐pit iron mine as an example, a physical large‐model similarity ratio test system is used to simulate the landslide remote monitoring process. The development of the sliding surface, stress‐strain characteristics, and infrared law of the bedded rock slope are analyzed. Results show that the anchor cable with constant resistance and large deformation plays a significant role in the stability of the slope, and its maximum slip force is 420 N and 630 N, respectively. Slip and crack are the main mechanisms of energy release in layered rock slope. Some scheme improvement measures for this kind of test are put forward, which provides basis and optimization scheme for the subsequent study of layered rock slope.
Highlights
Slope stability monitoring [1,2,3,4,5,6,7,8,9,10,11,12,13] and evaluation is a new emerging landslide hazard prediction and control technique, which has great research significance for landslide prevention and control
Almost all mountainous areas with human habitation and engineering activities in China will suffer from landslides, which have become the most frequent and costly type of geological disaster [16,17,18]
Engineering practice shows that the bedded slopes incur large-scale deformation
Summary
Slope stability monitoring [1,2,3,4,5,6,7,8,9,10,11,12,13] and evaluation is a new emerging landslide hazard prediction and control technique, which has great research significance for landslide prevention and control. With the increasing economic strength of China, the construction of large-scale projects [14] has attracted worldwide attention. Ey want to go deeper into the slope and essentially realize remote monitoring and early warning of landslide disasters. These monitoring and control methods have laid a theoretical and practical basis for the analysis and evaluation of slope stability. In order to analyze the stressstrain law and infrared characteristics of bedded slopes under static load, and make up for the shortage of research results of stress-strain characteristics of this kind of slope restricted by measurement methods and instruments [29], we used physical models [30,31,32,33,34,35,36,37,38,39,40] to simulate and reproduce the remote monitoring process of the Nanfen open-pit iron mine landslide in order to better understand the deformation characteristics
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