CN106650053A - USRAMS-based optimization design method of rainwater pipe network - Google Patents
USRAMS-based optimization design method of rainwater pipe network Download PDFInfo
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- 238000013461 design Methods 0.000 title claims abstract description 47
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000004364 calculation method Methods 0.000 claims abstract description 12
- 238000007689 inspection Methods 0.000 claims description 20
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- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical class C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 description 8
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Abstract
An USRAMS-based optimization design method of a rainwater pipe network belongs to the crossing field of drainage pipe line design and hydraulic models. Aiming at the imperfection of the rational formula method and the requirements of the new version Outdoor Drainage Specifications, the invention is based on rainwater pipe network design data to establish a USRAMS rainwater pipe network hydraulic model; kinematic wave is adopted for simulating calculation; pipe section overload is used as the verification standard according to the model results; the design scheme is optimized according to the model results so that the reliability of rainwater pipe network design is increased. The number of required parameters is less and the parameters are easy to obtain; the runoff coefficient and the water catchment time can be directly obtained; the process of establishing models is simple and quick; the model results are reliable; the applicability of the method is guaranteed; the method has operability; complicated programming is not required; steps can be finished by means of present software; the operation is simple and easy; the feasibility of the invention is guaranteed.
Description
Technical field
The present invention relates to a kind of Optimal Design of Stom Sewer Networks method based on USRAMS, belongs to waste pipe-network design and waterpower
Modelling technique crossing domain.
Background technology
China's design of rainwater system, carries out pipe network and sets using push pull azobenzene compounds with reference to steady uniform flow theory for a long time
Meter is calculated, and the method is only applicable to the design of smaller area, application and larger charge for remittance basin due to the restriction of itself applicable elements
When, its computational accuracy is low.New edition《Code for design of outdoor sewerage engineering》(GB 50014-2006) regulation is when catchment area is more than 2km2
When, rainwater design is preferably checked and adjusted using mathematical model method.With the issue of new edition outdoor drainage specification, modelling technique
Start to promote in China, the such as MIKE URBAN of Denmark DHI companies, the particularly ICM of Wallingford companies of Britain, the U.S.
The SWMM modeling tools software of EPA companies is used widely at home.
Urban waterlogging risk analysis model system (Urban StormWater Risk Analysis Modeling
System) (abbreviation USRAMS) is by the independent development on the basis of studying for many years of supply and drain water system research department of Beijing University of Technology
's.USRAMS is mainly made up of one-dimensional pipe net leakage rate simulation calculating section with two-dimentional earth's surface waterflooding simulation calculating section, supports one
Dimension pipe network is calculated with the coupled simulation of two-dimentional earth's surface, and the built-in module storehouse ArcEngine provided based on ArcGIS is developed,
Using the map data management platform ArcGIS of current main-stream as the management system of underlying database, adopt
Layer data storehouse system based on MicrosoftAccess databases.USRAMS is using domestic conventional SWMM at present as one
The computing engines of dimension pipe net leakage rate water force, and isochrone module is with the addition of on this basis so that software is more conformed to
China's actual conditions, using the waterlogging waterflooding computing engines of independent research in two-dimentional overland flow is calculated, based on path tracing
And principle of water balance carries out two-dimentional earth's surface waterflooding sunykatuib analysis.USRAMS make use of well the data processing work(of ArcGIS
Can, can be very good the process that pipe net leakage rate basic data is carried out by ArcGIS.
At present, according to new edition《Code for design of outdoor sewerage engineering》Require, the Designed recurrence period of China's Storm Sewer Network has brought up to 3
To 5 years, method for designing still continued to use push pull azobenzene compounds, in order that pipe network system is safer《Specification》Regulation reduction coefficient m values
Take 1.Push pull azobenzene compounds are the Process of Confluence that pipe network is calculated based on constant hydraulics theory, are managed using steady flow theory
The hydrodynamics process of net is calculated, and its feature is to apply simple, but there is also many practical problems and be difficult to solve.Reasoning is public
Formula method is determining the charge for remittance time, the true remittance of pipeline not to be simulated by discharge curve according to time of flowing full flowing
Stream process.And more accurately to simulate pipe network Process of Confluence need to adopt based on the unsteady flow algorithm of Saint-venant Equations,
The unsteady flow motion of Saint-venant Equations description is the long wave propagation phenomenon in a kind of shallow water, commonly referred to dynamic wave, because
Predominant intermolecular forces for water movement are gravity, belong to the category of gravitational wave, such as ignore Inertia and pressure in the equation of motion
, only considering the impact of frictional resistance and base slope, the motion after simplifying described by equation group is referred to as kinematic wave.
Kinematic wave calculation method is, using the reduced form of each pipe duct equation of momentum, to solve continuity equation.With motion
Pipe duct water surface slope is equal to pipe duct base slope when ripple is calculated, and the maximum stream flow that can be conveyed by pipe duct, is pipe duct flowing full normal water
Fluxion value, the calculation of this kind of form does not account for backwater effect, and outlet/inlet loss, current are reversed or pressure current, also limited
For dendritic network topology.From the closest (water surface slope of design conditions of waterpower theory, kinematic wave method and push pull azobenzene compounds
Degree is equal to pipeline base slope, and maximum stream flow is pipe duct normal water flow valuve), therefore need to be with fortune when push pull azobenzene compounds design result is checked
Dynamic ripple method.
For the defect and new edition of push pull azobenzene compounds《Outdoor drainage specification》Requirement, propose it is a kind of based on USRAMS's
Optimal Design of Stom Sewer Networks method.USRAMS Storm Sewer Network hydraulic models are built based on Storm Sewer Network design data, using motion
Ripple be simulated calculate, according to model result by pipeline section overload (as shown in figure 1, pipeline section operation water level elevation be higher than pipe crest level,
But the phenomenon on ground is not out, it is not allow presence to overload in design of pipe networks) as the standard of check, according to model result pair
Design is optimized, so as to reach the purpose for improving Storm Sewer Network designed reliability.
The content of the invention
The present invention predominantly overcomes the shortcoming of push pull azobenzene compounds, using hydraulic model technology improve Storm Sewer Network design can
By property, the Storm Sewer Network to being designed with push pull azobenzene compounds carries out check optimization.Using USRAMS and hydraulics general principle, propose
A kind of Optimal Design of Stom Sewer Networks method based on USRAMS.
Technical scheme is as follows：
A kind of Optimal Design of Stom Sewer Networks method based on USRAMS is comprised the steps of successively：
(1) by inference equation completes Preliminary design to Storm Sewer Network；
According to new edition《Code for design of outdoor sewerage engineering》(GB 50014-2006) ground inlet time t15～15min is taken, if
Count weight current P to take 3～5 years, runoff coefficient Ψ is obtained by all kinds of floor areas with calculated with weighted average method, reduction coefficient m values take
1, Rain Intensity Formula Based parameter chooses local parameter.The first of Storm Sewer Network is completed using existing achievements of a ruler municipal pipeline design software
Step design, and export the Storm Sewer Network Hydraulic Calculating Table of .xls forms and the Storm Sewer Network floor plan of .dwg forms.
(2) Storm Sewer Network is processed with the GISization of water catchment area data
(2.1) GISization of Storm Sewer Network data is processed
In the Storm Sewer Network Hydraulic Calculating Table of the .xls forms that Preliminary design is obtained Storm Sewer Network information according to
The call format of CADTableConvert softwares is pasted in the text of .txt forms, and text is named as
Y.txt, reads Y.txt texts, using CADTableConvert softwares using existing CADTableConvert softwares
In GIS transformation functions complete the GISization of Storm Sewer Network, finally using output Shape functions by the Storm Sewer Network after GISization
Inspection shaft, delivery port, pipeline section is output as respectively .shp formatted files, and be respectively designated as inspection shaft .shp, delivery port .shp,
Pipeline section .shp.
(2.2) GISization of water catchment area data is processed
The .dwg formatted files that Preliminary design is obtained are loaded in ArcGIS softwares, and using SQL statement cad file is selected
" Layer " in Ploygon figure layers=' all elements of HY_YS_AREA_BORDERLING', selected element is exported as into .shp
Formatted file is simultaneously named as face .shp while being loaded in ArcGIS softwares.Rebuild the word of loaded .shp formatted files
Section, addition numbering (Text types), delivery port (Text types) field, using field calculator input " numbering "=' Sub'＆'FID'
For number field assignment.The inspection shaft .shp files that step (2.1) is obtained are loaded in ArcGIS, using in ArcGIS
Face .shp and inspection shaft .shp are set up corresponding relation by Spatial Join instruments, and in making it with step (1) Preliminary design
Corresponding relation is consistent, using the input of field calculator " face. delivery port "=' inspection shaft. numbering ' be face .shp file water outlets
Mouth field assignment, output face .shp is simultaneously named as water catchment area .shp.
(3) USRAMS Storm Sewer Networks hydraulic model builds
(3.1) design Storm Sewer Network data are imported
The inspection shaft .shp obtained in step (2), delivery port .shp, pipeline section .shp, water catchment area .shp files are imported to
In USRAMS software Access databases, while the rainfall gauge field unification of water catchment area .shp files is entered as into RG1, during charge for remittance
Between, runoff coefficient field be entered as t respectively1、Ψ。
(3.2) Chicago rainfall pattern is built
The Designed recurrence period P according to selected by local Rain Intensity Formula Based and step (1), is generated using existing Chicago rainfall pattern
Device builds Chicago rainfall pattern, and its moderate rain peak coefficient r takes 0.3～0.5, time interval and takes 1min, rainfall duration T and takes 180min.Will
The precipitation time series file of generation is imported in USRAMS models.
(4) USRAMS Storm Sewer Networks hydraulic model operation is calculated
Delivery type material calculation is 1min, run time takes 3h, report time step-length and takes 1min, the selection of earth's surface Confluence Model
Isochrone, pipe network Confluence Model choose kinematic wave, and moving model after the completion of parameter setting preserves mould after model running terminates
Type result.
(5) Storm Sewer Network design result is optimized according to model result
According to model result for exist pipeline section overload pipeline section, with reference to pipeline section max calculation flow choose again caliber with
The gradient, while being modified to pipeline section using the modification caliber in achievements of a ruler Municipal Pipe-line Software, modification gradient order so as to excessively stream
Ability be equal to max calculation flow, treat to it is all overload pipeline sections modification after the completion of, using achievements of a ruler Municipal Pipe-line Software to modification after
Storm Sewer Network retried, and again export .xls forms Storm Sewer Network Hydraulic Calculating Table.
Till the no overloading of repeat step (1)～step (5) all pipeline sections in model result.
Beneficial effect of the present invention is mainly reflected in：
1. method of the present invention is adopted, traditional push pull azobenzene compounds can be overcome the shortcomings of, using modelling technique rain is made
Grid design result is relatively reliable, and the planning and designing for Storm Sewer Network provide guidance.
2. this patent methods described desired parameters are few and can be easily obtained, runoff coefficient, the charge for remittance time can direct access, model
Build process simple and fast, model result reliability, it is ensured that the applicability of method.
3. this patent methods described has operability, the programming without the need for carrying out complexity, only need to be by existing soft
Part can complete each step, and operation is simple, easily realizes, it is ensured that the exploitativeness of this patent.
Description of the drawings：
Fig. 1 is pipeline overload schematic diagram
Fig. 2 is the workflow schematic diagram of " a kind of Optimal Design of Stom Sewer Networks method based on USRAMS " of the invention.
Before the optimization of Fig. 3 pipelines
After the optimization of Fig. 4 pipelines
Specific embodiment：
The present invention's is embodied as flow process as shown in Fig. 2 comprising the following steps：
(1) according to new edition《Code for design of outdoor sewerage engineering》(GB 50014-2006) ground inlet time t15～15min is taken,
Designed recurrence period P takes 3～5 years, and runoff coefficient Ψ is obtained by all kinds of floor areas with calculated with weighted average method, reduction coefficient m values
1 is taken, Rain Intensity Formula Based parameter chooses local parameter.Storm Sewer Network is completed using existing achievements of a ruler municipal pipeline design software
Preliminary design, and export the Storm Sewer Network Hydraulic Calculating Table of .xls forms and the Storm Sewer Network floor plan of .dwg forms.
(2) in the Storm Sewer Network Hydraulic Calculating Table of the .xls forms for obtaining Preliminary design Storm Sewer Network information according to
The call format of CADTableConvert softwares is pasted in the text of .txt forms, and text is named as
Y.txt, reads Y.txt texts, using CADTableConvert softwares using existing CADTableConvert softwares
In GIS transformation functions complete the GISization of Storm Sewer Network, finally using output Shape functions by the Storm Sewer Network after GISization
Inspection shaft, delivery port, pipeline section is output as respectively .shp formatted files, and be respectively designated as inspection shaft .shp, delivery port .shp,
Pipeline section .shp.
(3) the .dwg formatted files for obtaining Preliminary design are loaded in ArcGIS softwares, and using SQL statement CAD is selected
" Layer " in file Ploygon figure layers=' all elements of HY_YS_AREA_BORDERLING', selected element is exported as
.shp formatted file and face .shp is named as while being loaded in ArcGIS softwares.Rebuild loaded .shp formatted files
Field, addition numbering (Text types), delivery port (Text types) field, using field calculator input " numbering "=' Sub'＆'
FID' is number field assignment.The inspection shaft .shp files that step (2) is obtained are loaded in ArcGIS, using in ArcGIS
Face .shp and inspection shaft .shp are set up corresponding relation by Spatial Join instruments, and in making it with step (1) Preliminary design
Corresponding relation is consistent, using the input of field calculator " face. delivery port "=' inspection shaft. numbering ' be face .shp file water outlets
Mouth field assignment, output face .shp is simultaneously named as water catchment area .shp.
(4) inspection shaft .shp, delivery port .shp, pipeline section .shp, the water catchment area that will be obtained in step (2)～step (3)
.shp file is imported in USRAMS software Access databases, while the rainfall gauge field unification of water catchment area .shp files is assigned
It is worth for RG1, charge for remittance time, runoff coefficient field are entered as respectively t1、Ψ。
(5) the Designed recurrence period P according to selected by local Rain Intensity Formula Based and step (1), using existing Chicago rainfall pattern
Maker builds Chicago rainfall pattern, and its moderate rain peak coefficient r takes 0.3～0.5, time interval and takes 1min, rainfall duration T and takes
180min.The precipitation time series file of generation is imported in USRAMS models.
(6) delivery type material calculation is that 1min, run time take 3h, report time step-length and take 1min, earth's surface Confluence Model
Choose isochrone, pipe network Confluence Model and choose kinematic wave, moving model after the completion of parameter setting is protected after model running terminates
Deposit model result.
(7) pipe is chosen according to model result again for the pipeline section that there is pipeline section overload with reference to pipeline section max calculation flow
Footpath and the gradient, while being modified to pipeline section using the modification caliber in achievements of a ruler Municipal Pipe-line Software, modification gradient order so as to
Conveyance capacity is equal to max calculation flow, after the completion for the treatment of to all overload pipeline section modifications, using achievements of a ruler Municipal Pipe-line Software to repairing
Storm Sewer Network after changing is retried, and exports the Storm Sewer Network Hydraulic Calculating Table of .xls forms again.
(8) till the no overloading of repeat step (1)～step (7) all pipeline sections in model result.
Effect explanation：
Explanation is compared with the effect before and after the pipeline section optimization between inspection shaft YDX446 and inspection shaft YDX444, is optimized
In front and back effect is as shown in Figure 3, Figure 4.
Compared according to effect before and after Fig. 3, Fig. 4 optimization, there is pipeline overloading before pipeline optimization, do not deposited after pipeline optimization
In pipeline overloading, the exploitativeness of this patent is illustrated.
Claims (1)
1. a kind of Optimal Design of Stom Sewer Networks method based on USRAMS, it is characterised in that comprise the following steps：
(1) by inference equation completes Preliminary design to Storm Sewer Network；
According to《Code for design of outdoor sewerage engineering》Ground inlet time t15～15min is taken, Designed recurrence period P takes 3～5 years, runoff system
Number Ψ is obtained by all kinds of floor areas with calculated with weighted average method, and reduction coefficient m values take 1, and Rain Intensity Formula Based parameter is chosen and worked as
Ground parameter；The Preliminary design of Storm Sewer Network is completed using existing achievements of a ruler municipal pipeline design software, and exports .xls forms
The Storm Sewer Network floor plan of Storm Sewer Network Hydraulic Calculating Table and .dwg forms；
(2) Storm Sewer Network is processed with the GISization of water catchment area data
(2.1) GISization of Storm Sewer Network data is processed
In the Storm Sewer Network Hydraulic Calculating Table of the .xls forms that Preliminary design is obtained Storm Sewer Network information according to
The call format of CADTableConvert softwares is pasted in the text of .txt forms, and text is named as
Y.txt, reads Y.txt texts, using CADTableConvert softwares using existing CADTableConvert softwares
In GIS transformation functions complete the GISization of Storm Sewer Network, finally using output Shape functions by the Storm Sewer Network after GISization
Inspection shaft, delivery port, pipeline section is output as respectively .shp formatted files, and be respectively designated as inspection shaft .shp, delivery port .shp,
Pipeline section .shp；
(2.2) GISization of water catchment area data is processed
The .dwg formatted files that Preliminary design is obtained are loaded in ArcGIS softwares, and using SQL statement cad file is selected
" Layer " in Ploygon figure layers=' all elements of HY_YS_AREA_BORDERLING', selected element is exported as into .shp
Formatted file is simultaneously named as face .shp while being loaded in ArcGIS softwares；Rebuild the word of loaded .shp formatted files
Section, addition numbering, delivery port field, using field calculator input " numbering "=' Sub'＆'FID' be number field assignment；Will
The inspection shaft .shp files that step (2.1) is obtained are loaded in ArcGIS, will using the Spatial Join instruments in ArcGIS
Face .shp and inspection shaft .shp sets up corresponding relation, and it is consistent with the corresponding relation in step (1) Preliminary design, profit
With the input of field calculator " face. delivery port "=' inspection shaft. numbering ' be face .shp file delivery port field assignment, output face
.shp and it is named as water catchment area .shp；
(3) USRAMS Storm Sewer Networks hydraulic model builds
(3.1) design Storm Sewer Network data are imported
The inspection shaft .shp obtained in step (2), delivery port .shp, pipeline section .shp, water catchment area .shp files are imported to
In USRAMS software Access databases, while the rainfall gauge field unification of water catchment area .shp files is entered as into RG1, during charge for remittance
Between, runoff coefficient field be entered as t respectively1、Ψ；
(3.2) Chicago rainfall pattern is built
The Designed recurrence period P according to selected by local Rain Intensity Formula Based and step (1), using existing Chicago rainfall pattern maker structure
Chicago rainfall pattern is built, its moderate rain peak coefficient r takes 0.3～0.5, time interval and takes 1min, rainfall duration T and takes 180min；To generate
Precipitation time series file import in USRAMS models；
(4) USRAMS Storm Sewer Networks hydraulic model operation is calculated
Delivery type material calculation is 1min, run time takes 3h, report time step-length and takes the streams such as 1min, the selection of earth's surface Confluence Model
When line, pipe network Confluence Model choose kinematic wave, moving model after the completion of parameter setting, after model running terminates preservation model knot
Really；
(5) Storm Sewer Network design result is optimized according to model result
According to model result for the pipeline section that there is pipeline section overload, caliber and slope are chosen again with reference to pipeline section max calculation flow
Degree, while being modified to pipeline section using the modification caliber in achievements of a ruler Municipal Pipe-line Software, modification gradient order so as to excessively stream energy
Power is equal to max calculation flow, after the completion for the treatment of to all overload pipeline section modifications, using achievements of a ruler Municipal Pipe-line Software to amended
Storm Sewer Network is retried, and exports the Storm Sewer Network Hydraulic Calculating Table of .xls forms again；
Till the no overloading of repeat step (1)～step (5) all pipeline sections in model result.
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| CN107742170A (en) * | 2017-10-25 | 2018-02-27 | 天津大学 | A kind of storm sewer system the Hydraulic Design parameter optimization method |
| CN108132984A (en) * | 2017-12-14 | 2018-06-08 | 重庆大学 | Pipe network repetition period of rainfall rendering intent, device and computer readable storage medium |
| CN110147574A (en) * | 2019-04-16 | 2019-08-20 | 吉林大学珠海学院 | Auxiliary design method, system and the storage medium of roofing siphon storm-water system |
| CN110298075A (en) * | 2019-05-23 | 2019-10-01 | 深圳市规划国土发展研究中心 | Graph model processing method is opened based on ArcGIS+InfoWorks ICM Municipal flowing line one |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107742170A (en) * | 2017-10-25 | 2018-02-27 | 天津大学 | A kind of storm sewer system the Hydraulic Design parameter optimization method |
| CN108132984A (en) * | 2017-12-14 | 2018-06-08 | 重庆大学 | Pipe network repetition period of rainfall rendering intent, device and computer readable storage medium |
| CN108132984B (en) * | 2017-12-14 | 2021-10-22 | 重庆大学 | Rendering method and device for rainfall recurrence period of pipe network and computer readable storage medium |
| CN110147574A (en) * | 2019-04-16 | 2019-08-20 | 吉林大学珠海学院 | Auxiliary design method, system and the storage medium of roofing siphon storm-water system |
| CN110147574B (en) * | 2019-04-16 | 2022-12-13 | 吉林大学珠海学院 | Auxiliary design method and system for roof siphon rainwater system and storage medium |
| CN110298075A (en) * | 2019-05-23 | 2019-10-01 | 深圳市规划国土发展研究中心 | Graph model processing method is opened based on ArcGIS+InfoWorks ICM Municipal flowing line one |
| CN110298075B (en) * | 2019-05-23 | 2022-09-23 | 深圳市规划国土发展研究中心 | Urban municipal drainage pipeline one-map modeling processing method based on ArcGIS + InfoWorks ICM |
| CN111709108A (en) * | 2019-12-27 | 2020-09-25 | 广州市市政工程设计研究总院有限公司 | Pollution emission reduction analysis method and system based on big data |
| CN111709108B (en) * | 2019-12-27 | 2024-01-23 | 广州市市政工程设计研究总院有限公司 | Pollution emission reduction analysis method and system based on big data |
| CN113806901A (en) * | 2021-09-27 | 2021-12-17 | 福州城建设计硏究院有限公司 | Method for optimizing rainwater pipe system designed based on rainwater management model and storage device |
| CN114564774A (en) * | 2022-01-26 | 2022-05-31 | 同济大学 | Push method and model method coupling interactive driving design and modeling method for rainwater pipe duct |
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