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A Calculation and Description Method of Binary Structure Bank Collapse Model

A dual structure, river bank technology, applied in the direction of bank wall, bank pier, embankment, etc., can solve the problem of less quantitative research and so on

Active Publication Date: 2021-06-22
WUHAN UNIV
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Problems solved by technology

And the existing results are mostly qualitative analysis, less quantitative research

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  • A Calculation and Description Method of Binary Structure Bank Collapse Model
  • A Calculation and Description Method of Binary Structure Bank Collapse Model
  • A Calculation and Description Method of Binary Structure Bank Collapse Model

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[0046] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0047] Such as figure 1 As shown, the calculation and description method of the binary structure bank collapse mode of the embodiment of the present invention, the method includes the following steps:

[0048] Step 1. Collect the basic parameters of the dual structure river bank, including: the measured cross-sectional terrain data and generalize it, and the generalized terrain can be seen in the attached Figure 5 . Calculate the initial parameters of the river bank, collect cross-section water level data and soil property data;

[0049] Step 2. Calculate the critical collapse width of the upp...

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Abstract

The invention discloses a method for calculating and describing the bank collapse mode of a binary structure, comprising: step 1, calculating initial parameters of the river bank, analyzing cross-section water level data, soil properties and other basic parameters; step 2, according to the upper cohesive soil layer The critical moment balance state defines its critical collapse width; step 3, according to the erosion width of the lower non-cohesive soil, judge the conditions, scale and collapse process of the upper cohesive soil layer around the axis; step 4, according to the layer thickness ratio and bank slope The slope relationship defines the bank slope accumulation form of the collapse body, and adopts different models to consider the protective effect of the collapse body; step 5, when the collapse body is decomposed under the action of the water flow and the accumulation on the slope is carried downstream, enter the downstream an erosion process. The invention can dynamically simulate the collapse process, which is more consistent with the actual situation, and the calculation result can provide scientific basis and technical support for the prediction and early warning of collapse.

Description

technical field [0001] The invention relates to the technical field of water conservancy engineering, in particular to a method for calculating and describing a bank collapse mode of a binary structure. Background technique [0002] The banks of rivers have been the places where human beings have thrived since ancient times, providing the basis for human survival and development, and promoting the development and progress of human society. A river is a system composed of water flow and river boundary. On the one hand, the water flow acts on the river boundary to change the boundary conditions. On the other hand, the change of the river boundary in turn affects the flow structure. The two are interdependent and restrict each other. It constitutes the evolution and development of the river course. Bank collapse is the result of the interaction between river flow and river bank, and it is also a common natural phenomenon in the evolution of alluvial rivers. The occurrence of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B1/00E02B3/06G06F30/20
CPCE02B1/00E02B3/06G06F30/20
Inventor 余明辉胡鹏谢亚光
Owner WUHAN UNIV
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