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Automatic SWMM hydraulic model building method based on rainwater pipe network design computation sheet

A technology for design calculation and hydraulic model, applied in calculation, 3D modeling, image data processing and other directions, can solve the problems of low work efficiency, low model quality, and heavy workload of inputting attribute data, so as to avoid cumbersome work and simplify analysis. The effect of layer processing

Inactive Publication Date: 2015-12-02
福建省建筑轻纺设计院有限公司
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Problems solved by technology

[0006] The present invention mainly aims to solve the shortcomings of the current method of constructing hydraulic models based on the traditional method, such as cumbersome processing of CAD engineering drawing data layering, heavy workload of manually inputting attribute data one by one, low work efficiency, prone to errors, and low model quality. An automatic SWMM hydraulic model construction method based on stormwater pipe network design calculation table

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  • Automatic SWMM hydraulic model building method based on rainwater pipe network design computation sheet

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Embodiment Construction

[0024] The specific implementation process of the present invention is as figure 1 shown, including the following steps:

[0025] (1) If the cells of the collection time, return period, rainstorm intensity, transfer area, confluence area, design flow, slope, flow velocity, and pipe data column in the rainwater pipe network design calculation table are empty, they are all assumed is 0.

[0026] (2) Through the replacement function of Excel, delete the spaces in each column, and then delete the entire column of "connecting pipe section"

[0027] (3) Copy the Excel table data to a text file, and name the text file, for example, take the name of the text file as its pinyin abbreviation according to the project.

[0028] (4) Construct the vectorized topological structure of the entire pipe network model system through the pipe network coordinate information data in the text document saved in the above steps, construct inspection wells with point layer data, construct pipe section...

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Abstract

The invention discloses an automatic SWMM hydraulic model building method based on a rainwater pipe network design computation sheet, and belongs to the crossing field of municipal engineering information technologies and geographic information system technologies. According to the automatic SWMM hydraulic model building method based on the rainwater pipe network design computation sheet, information of an existing rainwater pipe network design computation sheet can be used for synchronously achieving effective automatic GIS conversion of graphic data and attribute data of a pipe network model, and convenience is provided for building of an SWMM hydraulic model. In addition, workloads of conducting tedious hierarchical processing on CAD graphic data according to elements and conducting manual entry on the attribute data in a traditional hydraulic model building method are greatly simplified, the defects that traditional manual entry of the attribute data is tedious in work, low in efficiency and prone to error are avoided, only simple processing needs to be conducted on the rainwater pipe network design computation sheet, the work efficiency is greatly improved, the GIS quality of model data is guaranteed, and then the quality of the SWMM hydraulic model can be guaranteed. According to the method, the operability is achieved, all steps can be completed only by means of simple operations of a GIS platform, and the implementing criterion is guaranteed.

Description

technical field [0001] The invention relates to an automatic SWMM hydraulic model construction method based on a rainwater pipe network design calculation table, which belongs to the interdisciplinary field of municipal engineering information technology and geographic information system technology. Background technique [0002] The drainage pipe network system is an important urban infrastructure, which is responsible for collecting and transporting urban sewage and the runoff generated by urban rainfall and snowmelt. It has dual functions of protecting the environment and reducing urban disasters. It is called the "lifeline" and "bloodline" of the city , and its role in urban planning and construction cannot be ignored. With the acceleration of domestic urbanization, the construction of urban drainage pipe network has experienced explosive growth, the scale of the pipe network has been expanding day by day, and the data of the pipe network has been continuously updated. Th...

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Application Information

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IPC IPC(8): G06F17/50G06T17/00
Inventor 周玉文杨伟明刘子龙高琳王中正娄富豪吴献平刘原卢兴超
Owner 福建省建筑轻纺设计院有限公司
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