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A MODEL EQUIPMENT USED TO INVESTIGATE MECHANISM OF DYNAMIC INSTABILITY FOR RIVERSIDE ROADBED

机译:一种模型设备,用于调查河滨路基的动态不稳定机制

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Roadbed along river is one of main types of highway roadbeds in mountainous areas. Because of the river water effect, the roadbed is not only easily destroyed, but also difficultly restored. The destruction of riverside roadbed is usually regarded as the result of river swash. In fact, it is a dynamic process as a longtime complex interaction of roadbed rock/soil mass and river water, underground water and surface water. In order to investigate the mechanism of dynamic instability, equipment used to simulate the dynamic destruction process is developed. The equipment is composed of three parts. Part 1: rock/soil mass structure model. Part 2: simulation system under dynamic hydraulic boundary conditions. Part 3: measurement system. The present equipment can be used to investigate the mechanism of dynamic instability of the rock mass of roadbed in complex hydraulic boundary conditions and detect the changing regularity of lateral earth pressure acting on retaining structures under different drainage conditions.
机译:沿河的路基是山区公路路基的主要类型之一。由于河水效应,路基不仅容易被摧毁,而且还难以恢复。 Riverside Roadbed的破坏通常被认为是河流的结果。事实上,它是一种动态过程,作为路基岩石/土壤质量和河流,地下水和地表水的长期复杂相互作用。为了研究动态不稳定的机制,开发了用于模拟动态破坏过程的设备。该设备由三个部分组成。第1部分:岩石/土壤质量结构模型。第2部分:动态液压边界条件下的仿真系统。第3部分:测量系统。本设备可用于研究复杂液压边界条件中路基岩体的动态不稳定性的机制,检测不同排水条件下横向土压力作用的变化规律。

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