Dalian University of Technology independently developed the landslide frequency measurement system of the Loess Plateau
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Xu Xiangzhou said: "The Loess Plateau region, especially the loess hilly and gully region and the loess Taiyuan gully region, are seriously affected by gravity erosion." How to quantitatively assess the effects of various soil damage on steep slopes is essential for controlling landslide disasters. .
At the heart of the system is a portable tent that can be assembled in the field, enabling researchers to conduct site-specific tests such as simulated rainfall. At the same time, it provides the same conditions for laboratory simulations and predictions as the lab scenario. Xu Xiangzhou estimates that such tents can be assembled quickly in two or three days as long as there is a suitable preparation site.
Their test involved an MX-2010-G topographer. This is a structured light 3D surface measurement device that digitally reconstructs the 3D geometry of the target surface designed by the team to monitor slope behavior under simulated precipitation conditions. Subsequently, the volume of gravity erosion and other series of erosion data can be obtained by comparing the geometry of the slope before and after the simulated erosion event.
“The test system has been used to complete surveys of more than 130 rainfall simulation events, confirming the feasibility and reliability of this technology,†said Xu Xiangzhou.