Debris flow dam breach simulation experimental device under different gully bed forms

Abstract

The invention relates to a debris flow dam breach simulation experimental device under different gully bed forms and belongs to the technical field of geotechnical engineering and disaster prevention.The debris flow dam breach simulation experimental device under the different gully bed forms comprises a conveying device, a stirring device, a dam breach simulation device, a lifting device and a cleaning and recycling device. Debris flow samples are conveyed to the stirring device through the conveying device and stirred, and stirred debris flow is put into an accommodating groove so as to besubject to a debris flow dam breach simulation experiment. The lifting device and different simulated gully bed surfaces can simulate dam breach simulation experiments under different gully bed gradient and roughness working conditions, and experimental data can be automatically collected in the whole process. After the experiment is finished, the device can be cleaned by a spray nozzle, and residual waste can be recycled through a recycling water tank at the same time as a relatively environmentally friendly manner. The debris flow dam breach simulation experimental device can be used to simulate the debris flow simulation experiments under the different gully bed gradient and roughness working conditions, and data in the debris flow occurrence process can be comprehensively collected.

Description

technical field [0001] The invention relates to a debris flow dam break simulation experiment device in different trench bed forms, and belongs to the technical field of geotechnical engineering and disaster prevention and control. Background technique [0002] Debris flow is a torrent formed by heavy rain and floods after saturation and dilution of soft soil mountains containing sand and rocks. Its area, volume and flow are large, while landslides are areas of small areas of diluted soil mountains. Typical debris flows are caused by suspended It is composed of viscous mud rich in silt and clay with coarse solid clastics. Under appropriate terrain conditions, a large amount of water soaks the solid accumulations in the flowing water hillside or ditch bed, reducing its stability, and the solid accumulations saturated with water move under their own gravity, forming a debris flow. Debris flow is a disastrous geological phenomenon. Mudslides usually erupt suddenly and violent...

AI Technical Summary

Problems solved by technology

[0011] (3) Harm to water conservancy projects

[0013] (4) Harm to mines

However, in these simulation devices, the morphology of the trench bed is rarely considered

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