Abstract
In this article, a laboratory-built experimental system-laser-induced breakdown spectroscopy (LIBS), is used to measure soil samples. It explores landslides band soil of five typical landslides in Xiangxi (香溪) River Section of the Three Gorges Reservoir area, which include Bazimen (八字门) landslide, Baijiabao (白家堡) landslide, Jiajiadian (贾家店) landslide, Sixiangxi (泗乡溪)landslide and an unnamed landslide that has already slipped. Soil samples of the five landslides are taken in different latitudes, and in relatively consistent altitude. Through experimental measurement, the authors get spectrum of those soil samples, and then do qualitative and quantitative analyses of elements (Mg, Si, K, Al, etc.) in them. The authors conclude that main metal elements in the soil change according to different longitudes and latitudes, which opens up a new way of thinking for the quantitative analysis of the function of soil and water, and for the establishment of relations between chemical environment factors and soil engineering mechanics effects.
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