【英文标准名称】:StandardPracticeforRehabilitationofSewersUsingChemicalGrouting
【原文标准名称】:用化学灌浆法修复下水道的标准实施规范
【标准号】:ASTMF2304-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F36.20
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:修复;化学的;下水道;灌浆
【英文主题词】:grout;infiltration;sewer
【摘要】:Theinspection,testing,andrepairofsewerpipejointsisapracticethatcanassistinmaintainingandoptimizingsewerperformance.Itisimportanttoidentifymethodsthatusethemostcurrentcompoundsandtechnologytoensurethereductionofinfiltrationandexfiltration.Themethodselectedshouldutilizeenvironmentallysafegroutandminimizethedisruptionoftraffic.Thispracticeservesasameanstoinspect,test,andsealsewerpipejoints,havingselectedtheappropriatechemicalgrouts,usingthepackermethod.Televisioninspectionandjointtestingareusedtoidentifysewerlineconditions,defectivejoints,anddocumenttherepairsundertaken.Instructiononjointsealing,ifnecessary,isthendetailed,usingpressureinjectionintothesoilsencompassingthepipejointwithachemicalgrout(chemicalsealingmaterial).Thispracticeshouldnotbeusedforlongitudinallycrackedpipe,severelycorrodedpipe,structurallyunsoundpipe,flattened,orout-of-roundpipe.Inareaswithhighgroundwaterpressure,greaterthan10psi(68.9ksi)atthetestpoint,consultequipmentmanufacturers.1.1Thispracticedescribestheproceduresfortestingandsealingindividualsewerpipejointswithappropriatechemicalgroutsusingthepackermethod.Sewersystemsshallincludesanitary,storm,andcombinedandtheirappurtenances.Chemicalgroutingisasoilsealingprocess,whichsealsthevoidswithinthesoilsurroundingtheexteriorofthepipeatthepointofleakage.Chemicalgroutingisnotconsideredastructuralrepair.1.2Thispracticeappliestosewers6to42in.(18to107cm)indiameter.Largerdiameterpipemaybegroutedwithspecializedpackersormanentrymethods.Hostpipeinteriorsurfacesmustbeadequatetocreateaneffectivesealforthepackerelements.1.3Thevaluesstatedininch/poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.4Workersafetytrainingshouldincludereviewingthehazardsassociatedwithhoses,pumps,tanks,couplers,compressors,bottles,motors,andallotherrelatedapplicationapparatus.Additionalsafetyconsiderationsincludingsafelyhandling,mixing,andtransportingofchemicalgroutsshouldbeprovidedbythechemicalgroutmanufacturerorsupplierorboth.Theirsafeoperatingpracticesandproceduresshoulddescribeindetailappropriatepersonalprotectiveequipment(PPE)forthevariousgroutingoperations.Operationscoveredshouldincludetheproperstorage,transportation,mixing,anddisposalofchemicalgrouts,additives,andtheirassociatedcontainers.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P41
【国际标准分类号】:93_030
【页数】:8P.;A4
【正文语种】: