【DL电力标准】 英文版 火力发电厂灰渣筑坝设计规范

ElectricPower lndustry Standardofthe People'sRepublicofChinaDL/T5045-2006
ToreplaceDLyT5045-1995
CodeforDesignof AshandSlag
Damming of Fossil Fuel
PowerPlants
火力发电厂灰渣筑坝设计规范
（英文版）
IssueDate:May6,2006
ImplementationDate:October1,2006IssuedbvtheNationalDevelopmentandReformCommissionofthePeople'sRepublicofChinaICS29.100.01
RecordNo.J525—2006
Electric Power Industry Standard of the People'sIP
DL/T5045—2006
ToreplaceDL/T5045—1995
Codefor Design of Ash and SlagDammingofFossilFuel
PowerPlants
IssueDate:May62006
ImplementationDate:October1,2006IssuedbytheNationalDevelopmentandReformCommissionofthePeople'sRepublicofChinaElectricPowerIndustryStandardofthePeople'sRepublicofChinaP
DL/T5045-2006
ToreplaceDL/T5045-1995
CodeforDesignofAshandSlag
Damming of Fossil Fuel
PowerPlants
Translationsponsoredby:ChinaElectricPowerPlanning&EngineeringAssociation
Translatedby:SUNTHERConsultingCo.,Ltd.Reviewed by:NortheastElectricPowerDesignInstituteCHINAELECTRICPOWERPRESSbZxz.net
BEIJING.2013
Foreword
DL/T5045—2006
This code is a revision toDL/T50451995Technical RulesforDesignofAshandSlagDammingofFossilFuelPowerPlantsbasedon therequirement of the NoticeonIssuance ofPlanforSupplementingElectric Power IndustryStandard2003 issuedbytheGeneral Office of National Development and Reform Commission(FGBGY[2003]873)andisrenamedtheCodeforDesignofAshandSlagDammingofFossilFuelPowerPlants.This code has played a positive role in accelerating the powerconstruction and enhancing the design level and technical standard ofashand slagdammingsince itspromulgationin1995.Asnewrequirements have come out for the design of ash and slag dammingin fossil fuel power plants with the deepening of reforms andtechnical progress in power industry,this code is to be revisedaccordingly.
The main revisions and modifications are as follows:-Following are added in accordance with the requirements ofrelevantcodes:
-Chapter2NormativeReferences\-Section6.3\SeepageDrainageFacilitiesforSubdam\Section6.4“AshandSlagDammingbyHydraulicFilling\-Clause6.5.3Vibro-stonePilingMethod Used inAsh-slagDam Base Treatment\
-Chapter10\RequirementsforConstructionQualityControl\Someothcrclauscsaremodified,perfectedandrefined-Thc relevant contents in this code are adjusted commensurateDL/T50452006
withtherevisionstotheconcerneddesigncodes.ThiscodereplacesDL/T50451995uponimplementationAppendixAtothiscodeisnormative,AppendixBisinformativeThis code is initiatedbyChinaElectricity CouncilThis code is managed and interpreted solely by the ChinaElectric Power Planning and Enginecring Standardization TechnicalCommittee.
This code is drafted by thc Northcast Elcctric Power DesignInstitute.
The participants indraftingthis code arc ShandongElectricPower Engincering ConsultingInstitute,Shaanxi Electric PowerDesign Institute,and Central Southern China Electric Power DesignInstitute.
The leading authors of this code are Chen Dezhi, Wei XiaodongSun Wen, Ren Yanchao, Liu Jingyan, Li Jingsheng, Cui Kegang, QiuChenglong,Ji Chaochou,Tong Weipeng,Hua Zhongnan,GuoFengqi
ThiscodeistranslatedbySUNTHERTranslation&Solutionsunder the authority of China Electric Power Planning & EngineeringAssociation.
Foreword
Contents
NormativeReferences...
TermsandDefinitions..
Basic Design Provisions .
GeneralProvisions
4.2DesignCriterionandPhases
4.3BasieInformation
5PrimaryDam...
AxisofPrimaryDam
5.2Heightof PrimaryDam
Type Selection of Dan***
Construction Matcrial..
5.5 Filling of DamBodies
ConstructionofDamTop
StructureofDamSlope'
S.8SeepagcDrainagcFacilitics of DamBodics5.9ImpermeableMedia
5.10 Inverted Filter*.
DL/T5045—2006
Junctions of DamBodywith Ground Base, Bank Slope and5.11
BurialPipes.
5.12Treatmentof DamFoundation...6Subdam
6.1SubdamHeightening
6.2Material and Structure of Subdams32
DL/T5045—2006
6.3 Seepage DrainageFacilities for Subdam6.4HydraulicFillingDammingofAshandSlag6.5FoundationofSubdam
7PhreaticLines of DamBodies
7.1Control of PhreaticLineof DamBodies7.2Seepage Calculation of Dam Bodies8CalculationandAnalysisofDamBodies8.1
GeneralProvisions
CalculationofAnti-slidingStabilityofDamBodies.-8.3StaticandDynamicAnalysisforDamBodics9
Dam SafetyMonitoringSystem
9.1 General Provisions
9.2 Phreatic-line Monitoring System9.3DisplacementMonitoringSystem·I0Requirementsfor ConstructionQualityControl-10.1GencralRequirements.
10.2RequirementsforFilling
10.3 RequirementsforQualityControl--11 Requircments for Operation Management...111GcneralProvisions
11.2 EngineeringManagement ofAsh Yard....11.3Monitoring of DamBodies andPhreatic Lines.Il.4 Monitoring of Ashand SlagDischarging.11.5Drainage SystemMonitoringAppendixA(Normative)Methods forMeasuring Shearing.40
StrengthIndex and Selection Thereof......75AppendixB (Informative)
CalculationPrincipleandRequiredTestDataforStaticandDynamic
Analysis by Using Gross
StressMethod .
DL/T5045-2006
This code specifiesthe principles and criteria that shall befollowedwhen using ash and slag damming technique to design dam bodies inwet-type ashstorageyards of coal-fired powerplants.This code is applicable not only to the design of ash dams ofvalley ashyards that employ hydraulic ash handling techniquc, butalsotothedesign of ashcmbankments inashyards onthcbeachesofrivers, lakcsand sea (hereinafter referred to asbeachash yard)andash yards on plains.It is notapplicable to the design of dry-type ashstorageyards
Theprovisionsspecificdhcreinforashdamsarealsoapplicablctoashembankments,unlessspecificallyprescribedothcrwisc.1
DL/T50452006
2NormativeReferences
The following normative documents contain provisions whichthrough referenceinthistext,constituteprovisions ofthisstandardForthedatedrefercnccs,alltheirsubsequentamendments(cxcludingerrorscorrected)orrevisededitionsshallnotapply.However,partieswhohavereachedagreementsbasedonthiscodeareencouragedtoinvestigatc thepossibilityofusingthemostrecenteditionsofthcscrcferences.For undated references, their latest cditions shall apply tothis code.
GB18599Standard for PollulionControl on theStorageandDisposal SiteforGeneral Industrial SolidWastesGB50286CodeforDesignof LeveeProjectGB50290TechnicalStandardforApplicafionsofGeosyntheticsDL5073
Specifications forSeismicDesignof Hydraulic StructuresDL/T5129
Construction
JTJ213
Specifications for Rolled Earth-Rockfill DamCode of Hydrology for SeaHarbourJTJ298
CodeofDesignandConstructionofBreakwalersSDJ 280 Technical Specifications for Electric Power ProjectConstructionandAcceptance(HydraulicStructures)SL60 Technical Specifications for Safety Supervision of Earth-RockFillDams
SL237Specificationof SoilTestSL274DesignCodeforRolledEarth-RockFillDams2
DL/T5045—2006
3Terms and Definitions
Thefollowingterms anddefinitions applytothis code3.0.1
Ashdam
Hydraulic structure used to store ash and retain water in valleyashyard
Ashembankment
Hydraulic(marine)structure uscd to store ash andretain waterinplainandbeachash yards.
Dambody
Entireash dam consisting of a primarydam, subdams anddeposited ash and slag
Primarydam
Initial dambodywhen ashdambeingconstructedby stages.3.0.5
Subdam
Dambodyheightcncd on top of dcposited ashon dam frontwhenashdambeingconstructedbystages3.0.6
Ashand slag
Mixture of pulverized coal ash collected by precipitators andslagdischargedfrombottomof boilersina coal-firedpowerplants3
DL/T5045—2006
Ash and slag damming
Aby-stagedammingtechniqueto graduallyheightendambodiesby building subdams on deposited ash on dam front with earth-rockmaterial orash-slagmaterial inashyard.3.0.8
Ash and slag filling-siltation dammingAsh and slag damming by hydraulice filling.3.0.9
Terminaldamheight
Maximum possibledamheightdeterminedby takingintoaccount natural topography and geological conditions of ash storageyard,rcquirementsbypowerplantsandotherfactors.3.0.10
Aggregatecapacity
Total volume of ash,slag and flood that can bcaccommodatcedby ash yard with terminal dam height.3.0.11
Length of dry bank
Horizontal distance from thepointwhere water surface crossesash surface to the point where ash surface crosscs upstream slope ofdamonthecross-sectionperpendiculartodamaxis3.0.12
Limited length of drybank
The length of dry bank that can be maintained to restrict hcightof phreatic line and ensure safety of dam bodyduring operation.3.0.13
Ashstorageelevation
Elevation where surface of ash deposited in ash storage yard4
joinsupstreamslopeofdam
Limitedashstorageelevation
DL/T5045—2006
Maximum ash storage elevation permitted by dam top elevationin eachdesignstage.
Subdamheight
Elevationdifferencebetweentwo contiguousdamtops3.0.16
Subdamplacementheight
Heightof subdambuiltondeposited ashsurface3.0.17
Damextraheight
Heightfrom limited ash storage elevation to ash damtop3.0.18
Freeboard
Heightfromflood storage level to ashdam top under limited ashstorage elevation condition
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