Novel submarine pipe soil interaction model test platform

A pipe-soil interaction and model test technology, which is applied in soil material testing, material inspection products, machine/structural component testing, etc., can solve the problem of not being able to consider the influence of lateral movement of the pipeline, not being systematic enough, and not being able to obtain vibration amplitude, Problems such as frequency and number of cycles, to achieve the effect of precise controllability and improved accuracy of the loading system and data acquisition system

Inactive Publication Date: 2012-08-22
ZHEJIANG UNIV
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Problems solved by technology

At present, scholars at home and abroad have conducted a large number of experimental studies on the interaction between submarine pipes and soils, but none of them are systematic enough, and there are

Method used

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  • Novel submarine pipe soil interaction model test platform
  • Novel submarine pipe soil interaction model test platform
  • Novel submarine pipe soil interaction model test platform

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Embodiment Construction

[0033] Refer to attached picture. The present invention includes setting a model tank 13 for simulating the seabed, the simulating seabed is silt or clay 16, the upper part of the simulating seabed is water, and the present invention is also equipped with a model pipeline 12, and the model pipeline 12 adopts PVC materials, the test platform power unit includes:

[0034] 1), the column 1 arranged at the end of the model groove 13;

[0035] 2) The liftable crossbeam 6 supporting the power unit, the crossbeam 6 is connected with the lifting drive device, and the crossbeam is connected with the column 1 through its lifting guide mechanism;

[0036] The lifting and guiding mechanism of the crossbeam 6 is a vertical clamping plate 5, and the clamping plate 5 is slidingly connected with the guide member on the column 1, and the clamping plate 5 can make the crossbeam 6 move up and down along the column 1. , the lifting driving device of the crossbeam 6 includes: a traction rope 3, ...

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Abstract

The invention provides a novel submarine pipe soil interaction model test platform which comprises a model pipe, a power device and a model slot provided with a simulated seabed. The novel submarine pipe soil interaction model test platform is also provided with an upright post, a cross beam, a clamping plate, a speed reducer, a steel wire rope, a pulley, a fixed pressing plate, a fastening bolt, a vertical power device, a transverse power device, a connecting mechanism, a pull wire type displacement sensor, a bending moment strain gauge, a pore water pressure sensor, a soil reaction force sensor, a model pipe folding and unfolding device, a hydraulic servo system and a data collection system. The novel submarine pipe soil interaction model test platform has the beneficial effects that the model test study of submarine pipe soil interaction characteristics under the deep sea complex cyclic dynamic load environment can be realized, and the model test efficiency and the result accuracy are improved to play huge promoting and pushing roles in further understanding the submarine pipe soil interaction characteristics.

Description

technical field [0001] The invention relates to a seabed pipe-soil interaction model test platform. Background technique [0002] The safe laying of submarine pipelines is one of the important links in offshore oil and gas engineering. The laying of pipelines in the deep sea is affected by complex environmental factors such as wind, waves, and currents. The interaction between pipelines and seabed is also more complicated, and pipelines exhibit strong nonlinear dynamic characteristics. Therefore, the pipe-soil interaction under the deep sea complex load environment is the focus of current research at home and abroad and the future development direction. Relevant theoretical research and establishment of numerical models require a large amount of reliable and detailed experimental data to verify and optimize. The model test method has the advantages of low cost, easy operation, and less external interference factors, and plays an irreplaceable role in scientific research. ...

Claims

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Application Information

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IPC IPC(8): G01M99/00G01N13/00G01N33/24
Inventor 王立忠袁峰张举国振李玲玲
Owner ZHEJIANG UNIV
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