Experimental device and method for simulating the impact of landslide surges on underwater pipelines

Abstract

The present invention relates to the technical field of underwater pipeline impact simulation experiments, especially to a device and a method for simulation experiment of impact of a slide surge to an underwater pipeline. The device comprises a PC terminal, a high-speed camera, a rigid body sliding block, an experiment water tank, a panel, a pressure sensor, an experiment pipe section and a support rack. The panel is arranged at one end of the experiment water tank in an inclination mode, the underwater experiment pipe section is arranged at the other end of the experiment water tank, the sliding block slips into water along the panel to provoke surge to perform impact to the underwater pipeline, and pressure data is collected by the pressure sensor arranged on the experiment pipe section. The high-speed camera arranged at the side of the experiment water tank is configured to collect experiment video data. The device is simple in device, convenient to operate and visual in result, and conforms to reality.

Description

technical field [0001] The invention relates to the technical field of underwater pipeline impact simulation experiments, in particular to a landslide surge wave impact simulation experiment device and method for underwater pipelines. Background technique [0002] The oil and gas pipeline is the main component of the national lifeline project and the guarantee facility for the national energy supply. Its safe operation is closely related to the stable development of the national economy. At present, my country's oil and gas pipelines crossing rivers account for a considerable proportion of long-distance pipeline projects, and most of them were built in the 1970s, which were limited by the technical level of oil and gas pipeline construction at that time and At the design level, after more than 30 years of operation, it is inevitable that there will be many problems, such as: insufficient buried depth of the pipeline, ineffective measures to stabilize the pipeline, etc., resul...

AI Technical Summary

Problems solved by technology

At present, my country's oil and gas pipelines crossing rivers account for a considerable proportion of long-distance pipeline projects, and most of them were built in the 1970s, which were limited by the technical level of oil and gas pipeline construction at that time and Design level, after more than 30 years of operation, it is inevitable that there will be many problems, such as: the buried depth of the pipeline is not enough, and the measures for stabilizing the pipeline are not effective, which leads to the phenomenon of exposed and suspended pipelines

There are many mountains in the western part of my country, and the water system is developed. There are dense gullies and rivers in the mountains, and landslides occur from time to time. Once the landslide occurs on the mountain, it will cause a strong impact surge, which may cause serious damage to the pipeline, resulting in rupture and leakage. Such vicious accidents can easily cause environmental pollution, destroy the ecological environment, and bring huge losses to production and the national economy.

Landslide surges have strong destructive power to underwater pipelines, and it is difficult to control and predict. Therefore, it is very necessary to study the impact experiments of landslide surges on underwater pipelines

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