一种岩质边坡降雨侵蚀模拟试验装置

Abstract

本实用新型公开了一种岩质边坡降雨侵蚀模拟试验装置，其包括设置在试验室内的边坡模拟模块、降雨模拟模块和监测模块；边坡模拟模块包括水平模型箱和倾斜模型箱，水平模型箱和倾斜模型箱的一端和顶部均开口，水平模型箱开口端的底部与倾斜模型箱开口端的底部枢轴连接，倾斜模型箱与驱动机构传动连接，倾斜模型箱的底部依次铺设有岩质层和生态护坡层，水平模型箱的底部设置有漏水孔，所述水平模型箱的下方设置有收集槽；监测模块包括设置在生态护坡层上的土壤水分传感器阵列、用于监视生态护坡层侵蚀状态的摄像头、设置于收集槽内的浊度传感器、设置于喷淋头供水管路上的流量计，本方案可实现了岩质边坡降雨侵蚀模拟与监测的一体化试验。

Claims

1. A rainfall erosion simulation test device for a rock slope, characterized by, This includes a slope simulation module, a rainfall simulation module, and a monitoring module installed in the laboratory; The slope simulation module includes a horizontal model box and an inclined model box. Both the horizontal and inclined model boxes are open at one end and at the top. The bottom of the open end of the horizontal model box is pivotally connected to the bottom of the open end of the inclined model box. The inclined model box is connected to a drive mechanism. A rock layer and an ecological slope protection layer are laid sequentially at the bottom of the inclined model box. A water leakage hole is provided at the bottom of the horizontal model box. A collection trough is provided below the horizontal model box. The rainfall simulation module includes a sprinkler head mounted on a moving mechanism, and the sprinkler head is connected to a water tank via a water pump; The monitoring module includes a soil moisture sensor array installed on the ecological slope protection layer, a camera for monitoring the erosion status of the ecological slope protection layer, a turbidity sensor installed in the collection tank, and a flow meter installed on the water supply pipeline of the sprinkler head.

2. The rainfall erosion simulation test device for rock slope according to claim 1, wherein The driving mechanism includes a horizontal lead screw that is connected to the drive motor. The horizontal lead screw includes a relatively symmetrical positive external thread and a negative external thread. A first slider and a second slider are threadedly engaged on the positive external thread and the negative external thread, respectively. The first slider and the second slider are vertically hinged to one end of two push rods, and the other end of the two push rods are vertically hinged to a top block. The upper end of the top block abuts against the bottom of the inclined model box.

3. The rock slope rainfall erosion simulation test device according to claim 1, characterized in that, The moving mechanism includes a horizontal crossbar, the extension direction of which is parallel to the extension direction of the horizontal projection of the tilted model box. A drive unit is provided on the horizontal crossbar, and the bottom of the drive unit is connected to the spray head through a scissor lift unit.

4. The rainfall erosion simulation test device for rock slope according to claim 1, wherein The laboratory is also equipped with a temperature and humidity control system and plant growth lights for irradiating the ecological slope protection layer.

5. The rock slope rainfall erosion simulation test device according to any one of claims 1-4, characterized in that, All electrical components in the laboratory are electrically connected to the display screen via a controller.

6. The rainfall erosion simulation test device for rock slope according to claim 1, wherein The two side walls of the opening end of the inclined model box are located inside the two side walls of the horizontal model box, and a sealing strip is provided on the outer side wall of the opening end of the inclined model box.

7. The rainfall erosion simulation test device for rock slope according to claim 1, wherein Both the horizontal and inclined model boxes are transparent.

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