GBT 50363-2018 节水灌溉工程技术标准：英文

专用

人人文库

NATIONALSTANDARD

OFTHEPEOPLE'SREPUBLICOFCHINA

TECHNICALSTANDARDFORWATERSAVING

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IRRIGATIONPROJECT

GB/T50363-2018

DevelopedbyTheMinistryofWaterResourcesofthePeople'sRepublicofChina

ApprovedbyTheMinistryofHousingandUrbanRuralDevelopmentof

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thePeople'sRepublicofChina

ImplementationDateNovember1，2018

专用

人人文库

ChinaPlanningPress

Beijing2024

ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2018

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2024

byChinaPlanningPress

th

，，

4FloorCTowerGuohongBuilding

No.A11，Muxidi-Beili，Xicheng专用District

Beijing，100038

PrintedinChinabyBeijinghouchengzemingPrintingTechnologyCo.，Ltd

人人文库

©2018bytheMinistryofHousingandUrban-RuralDevelopmentof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

，，，，，，

byanymeansgraphicelectronicormechanicalincludingphotocopyingrecording

oranyinformationstorageandretrievalsystems，withoutwrittenpermissionofthepublisher.

，，，

Thisbookissoldsubjecttotheconditionthatitshallnotbywayoftradeorotherwisebelent

，

resoldhiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof

blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition

includingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-5182-1702-1

NOTICE

ThisstandardiswritteninChineseandEnglish.TheChinesetextshallbetakenastherulingone

intheeventofanyinconsistencybetweentheChinesetextandtheEnglishtext.

专用

人人文库

Introductiontoenglishversion

DepartmentofInternationalCooperation，ScienceandTechnology，MinistryofWaterResources，

P.R.China（hereinafterDICST）hasthemandateofmanagingtheformulationandrevisionofwater

standardsinChina.

ThetranslationisidenticaltoitsChineseoriginalGB/T50363-2018TechnicalStandardfor

，whichwasformulatedandrevisedundertheauspicesofDICST.

Water-savingIrrigationProject

TranslationisorganizedbyDICSTinaccordancewithdueproceduresandregulationsapplicablein

China.

TranslationofthisstandardisundertakenbyChinaIrrigationandDrainageDevelopmentCenter，

andChinaAgriculturalUniversity.

TranslationtaskforceincludesGUTao，XULei，LIULiu，SONGPeng，CUIJing，SHEN

YingyingandCAOXuesong.

ThisEnglishTranslationisreviewedbyLIUZhiguang，GULiya，JINFeng，CHENYiming，SUN

Feng，HAOZhao，XUJing，HOUXiaohu，ZHANGLinruo，CHANGYuan，WANGJinling，LI

Yuanhua，DINGKunlun，LULi，ZHUBaoshanandYAOZhifeng.

专用

DepartmentofInternationalCooperation，ScienceandTechnology

MinistryofWaterResources，P.R.China

人人文库

AnnouncementoftheMinistryofHousingandUrban-Rural

DevelopmentofthePeople'sRepublicofChina

No.25，2018

AnnouncementoftheMinistryofHousingandUrbanRural

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DevelopmentonPublishingtheNationalStandardof

TechnicalStandardforWater-savingIrrigationProject

hasbeenapprovedasanationalstandard

TechnicalStandardforWater-savingIrrigationProject

withaserialnumberofGB/T50363-2018，andwillbeimplementedonNovember1，2018.The

originalnationalstandardGB/T50363-2006

TechnialSpecificationforWater-savingIrrigation

Engineeringissimultaneouslyrepealed.

AuthorizedbytheResearchInstituteofStandardsandNormsofMinistryofHousingand

UrbanRuralDevelopmentofthePeople'sRepublicofChina，thisstandardispublishedanddistributed

-

byChinaPlanningPressandissuedonwebsite（www.mohurd专用.）.

MinistryofHousingandUrbanRuralDevelopmentofthePeople'sRepublicofChina

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March16，2018

人人文库

Foreword

AccordingtotherequirementsofDocumentJIANBIAO［2012］No.5issuedbytheMinistryof

HousingandUrbanRuralDevelopment（MOHURD）—＂NoticeonPrintingandDistributing'the

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DevelopmentandRevisionPlanofNationalEngineeringConstructionStandardsin2012'＂，thedrafting

grouphasconductedextensiveinvestigationandstudy，summarizedthepracticalexperience，made

referencetotherelevantinternationalstandardsandothercountries'advancednormsandcodes，and

widelysolicitedopinionstoreviseGB/T50363-2006

TechnicalSpecificationforWater-saving

IrrigationEngineering.

Thisstandardconsistsof10chaptersand2appendixes，covering：generalprovisions，terms，

planninganddesign，watersourceforirrigation，irrigationschedulingandirrigationwateruse，wateruse

efficiencyofirrigation，technicalspecifications，benefitanalysisandevaluation，managementandareaof

watersavingirrigation，etc.

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Themaincontentsofthisrevisionare：

1.Adjustmentoftheoriginalprojectplanning，projectplanningandmeasures，benefit，irrigation

managementtoplanninganddesign，technicalspecifications，benefitanalysisandevaluation，management，

respectively.专用

2.Modificationandsupplementofgeneralprovisions，terms，watersourceforirrigation，irrigation

schedulingandirrigationwateruse，wateruseefficiencyofirrigationandareaofwatersavingirrigation

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intheoriginalspecificationinaccordancewithrelevantstandards.

TheMinistryofHousingandUrbanRuralDevelopmentofthePeople'sRepublicofChinaisin

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chargeofadministrationofthisstandard.TheMinistryofWaterResourcesofthePeople'sRepublic

ofChinaisinchargeofitsroutinemanagement.ChinaIrrigationandDrainageDevelopmentCenter

isinchargeofexplanationoftechnicalspecifications.Ifyouhaveanycommentsandrecommendations

whenimplementingthisstandard，人人文库pleasecontactChinaIrrigationandDrainageDevelopmentCenter

（Address：No.60，GuanganmenSouthStreet，XichengDistrict，Beijing，Postcode：100054）.

ChiefDevelopmentOrganization，CoDevelopmentOrganizations，ChiefDraftersandChief

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Reviewersofthisstandard：

ChiefDevelopmentOrganization：

ChinaIrrigationandDrainageDevelopmentCenter

Co-DevelopmentOrganizations：

DepartmentofRuralWaterandHydropower

ChinaAgriculturalUniversity

ChinaInstituteofWaterResourcesandHydropowerResearch

WuhanUniversity

NorthwestA&FUniversity

FarmlandIrrigationResearchInstituteoftheMinistryofWaterResources

DevelopmentofWaterResourcesofZhejiangProvince

1··

ChiefDrafters：

YANGuanyuWANGXiaolingGUTaoWUYuqinLIGuangyong

LIUQunchangLUOJinyaoHEWuquanHUANGXiuqiaoDUXiuwen

LVTianwei

ChiefReviewers：

FENGGuangzhiZHAOJingchengZHUErmingGAOAnzeQIAOShishan

DAIJiqunWANGXiaogang

专用

人人文库

2··

Contents

1Generalprovisions………………（1）

2Terms…………………………（2）

3Planninganddesign……………（3）

3.1Planning………………………（3）

3.2Projectdesign…………………（4）

4Watersourcesforirrigation……………………（6）

5Irrigationschedulingandirrigationwateruse…………………（7）

6Wateruseefficiencyofirrigation………………（8）

6.1Requirementsforwateruseefficiencyofirrigation…………………（8）

6.2Determinationmethodsforwateruseefficiencyofirrigation…………（8）

7Technicalspecifications………………………（9）

7.1Generalrequirements……………（9）

7.2Canalseepagecontrolproject……………………（10）

7.3Irrigationprojectwithpipeconveyance……………（10）

7.4Sprinklerirrigationproject………………………（11）

7.5Microirrigationproject…………专用（11）

7.6Othertechniques………………（12）

8Benefitanalysisandevaluation…………………（13）

9Management……………………（15）

10Areaofwatersavingirrigation………………（16）

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AppendixAMethodsofmeasurementandcalculationfortherelatedparameters………………（17）

AppendixBCalculationmethodsofthebenefitindex……………（19）

Explanationofwordinginthisstandard人人文库……………（21）

Listofquotedstandards……………（22）

1Generalprovisions

1.0.1Thisstandardispreparedwithaviewtoensuretheconstruction，operationandmaintenanceof

watersavingirrigationprojectstechnicallyfeasibleandeconomicallyviable，topromotesustainable

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developmentofwatersavingirrigation，andtoensurehighqualitydevelopmentofeconomyandsociety.

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1.0.2Thisstandardisapplicabletotheplanning，design，construction，acceptance，management，and

evaluationofnewconstruction，extensionandrenovationofwatersavingirrigationprojectsinagriculture，

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forestry，andanimalhusbandry.

Theconstructionofwatersavingirrigationprojectshallgivefullconsiderationtolocal

1.0.3-

conditions，qualityassurance，operationandmaintenance，withagronomic，biological，andmanagement

measurestoachieverationalallocationandefficientutilizationofwaterresources，improvesupport

capabilitiesofirrigationandprotectecologicalenvironment.

Watersavingirrigationprojectsshallhaveclearpropertyrightsandestablishafullyfledged

1.0.4--

managementorganization，perfectrulesandregulationsforprojectoperationandmanagement，andpay

highattentiontothelongtermandsoundoperationofprojects.

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1.0.5Inadditiontotherequirementsstipulatedofthisstandard，constructionandmanagementof

watersavingirrigationprojectsshallalsocomplywithrequirementsstipulatedintherelevantcurrent

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nationalstandards.

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1··

2Terms

Watersavingirrigation

2.0.1-

Comprehensivemeasurestoutilizeprecipitationandirrigationwaterefficientlybasedoncropwater

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demandpatternandlocalwatersupplyconditions，inordertooptimizeeconomic，social，and

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environmentalbenefitsofagriculture.

2.0.2Canalseepagecontrol

Technicalmeasuretoreducewaterlossduetocanalseepage.

2.0.3Irrigationwithpipeconveyance

Surfaceirrigationmethodwithwhichpressurizedwaterflowformedbypumppressureoranatural

fall，isconveyedthroughpipestofieldwatersupplyfacilities.

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2.0.4Sprinklerirrigation

Irrigationmethodtousespecializedequipmenttospraypressurizedwaterstreamsthrougha

sprinklerhead，creatingfinedropletsfallingtothesoilsurface.

2.0.5Microirrigation

Irrigationmethodwithwhichthewaterandnutrientsrequiredforcropgrowtharedeliveredwith

smalldischargedirectlytothesoilnearthecroprootsinauniform专用andaccuratemannerbyapipenetwork

andemittersmountedontheendpipes.

2.0.6Improvedsurfaceirrigation

Irrigationmethodthatusesfurrowirrigation，borderirrigationorcheckbasinirrigationtoimprove

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distributionuniformityofirrigationwaterandincreasewateruseefficiency.

2.0.7Iocalirrigationwithinjection

Localirrigationmethodthatusesspecializedequipmenttoinjectacertainamountofwaterintothe

soiloftherootzoneofcrops（seeds），toimprovesoilmoistureandsatisfywaterdemandofgermination

andseedling.人人文库

2··

3Planninganddesign

3.1Planning

Forwatersavingirrigationprojectplanning，basicinformationsuchasmeteorology，water

3.1.1-

sources，topography，hydrology，geology，soil，crops，waterconservancyprojects，irrigationexperiments，

energy，materialsandequipment，theeconomyandsocietyandrelatedplanning，shallbecollectedand

rationalityandreliabilityanalysisshallbeconducted.

Planningofwatersavingirrigationprojectshallbeintegratedwithplanningoflocalwater

3.1.2--

resourcedevelopmentandutilization，landuse，waterconservancydevelopment，agricultural

developmentandecologicalenvironmentalprotection.Itshallmeettherequirementsofmodern

agriculture，newruralconstruction，andhighstandardfarmlandconstruction.Furthermore，itshallmake

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beneficialuseofexistingwaterresourcesfacilities，andintegratewiththearrangementoffarmland

drainage，fieldroads，farmlandshelterbeltnetworks，powersupplyfacilities，etc.

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Theplanningofwatersavingirrigationprojectsshallreasonablyselectthetypeandscaleofthe

3.1.3-

watersavingirrigationprojectsaccordingtolocalconditionssuchaslocalnaturalandsocioeconomic

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conditions，waterresourcescarryingcapacity，agriculturaldevelopmentrequirementsandlevelofwater

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savingirrigationdevelopment.Theselectionoftypeofwatersavingirrigationprojectshallbein

专用-

accordancewiththefollowingrequirements：

1Seepagecontrolmeasuresshouldbeadoptedforbackbonecanalswithsignificantwater

conveyancelossesandlowwatertransportationefficiency.

2Irrigationwithpipeconveyanceshouldbeadoptedinirrigationareaswithgravityconditionsor

liftirrigatedarea.Irrigationwithpipeconveyanceshallbeadoptedingroundwaterirrigationareas.

3Sprinklerirrigationandmicroirrigationshouldbeadoptedincashcropplantingareas，protected

agricultureareas，highefficiencyagriculturalareas，concentratedandcontinuouslargescalefarming

-人人文库-

areas，andareaswhereitisdifficulttoadoptsurfaceirrigationduetosoiltextureorterrainrestrain.

Gravitysprinklerirrigationandmicroirrigationshouldbeappliedinhillyareasbytakingtheadvantage

ofnaturalslopeofsurface.

4Microirrigationshouldbeadoptedinareaswithrainwaterharvestingasanalternativewater

source.

3.1.4Waterbalanceanalysisshallcomplywiththerequirementsofthemoststringentwaterresources

managementsystem.Watersavingirrigationtechniquesshallbeoptimizedandwaterdemandtomeet

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theprobabilityofirrigationdesignshallbedefinedbasedonwateravailability，soastoachieveabalance

betweenwatersupplyanddemand.Intheareawherewaterdemandandsupplyareunbalanced，

measuresshallbetakentoadjusttheirirrigationmethods，irrigationscale，and/orcroppingpattern，or

reduceirrigationareas.Theprobabilityofirrigationdesignshallmeettherequirementsofcurrent

nationalstandardGB50288CodeforDesignofIrrigationandDrainageEngineering.Irrigation

projectwithpipeconveyanceshallmeettherequirementsofcurrentnationalstandardGB/T20203

TechnicalSpecificationforIrrigationProjectswithPipeConveyance.

Thelayoutofwatersavingirrigationprojectshalltakeexistingwaterprojects，roads，forest

3.1.5-

3··

belts，powertransmissionlines，etcintoconsideration，andshallbedeterminedthroughsocialtechno

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comparisonofalternatives.Inrenovationorextensionofcanalsforseepagecontrol，theoriginallayout

shallbereviewedandad