【英文标准名称】:OverheadelectricallinesexceedingAC1kVuptoandincludingAC45kV-Part1:Generalrequirements-Commonspecifications
【原文标准名称】:大于交流1kV小于等于45kV的架空电力线.一般要求.通用规范
【标准号】:BSEN50423-1-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-12-05
【实施或试行日期】:2005-12-05
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:气候条件;定义;设计;尺寸选定;距离;耐久性;埋地电缆;接地;效应;电缆;导电体;电线;电气工程;电气设备;电绝缘;电性能;电性质和电现象;电气安全;环境条件;环境可持续性;安装;适用性;地基;总论;冰荷载;温度影响;绝缘;绝缘子;支撑装置;寿命;限制负荷;极限(数学);载荷能力;负载能力;负荷;维修;杆(柱);材料性能;材料;力学;开放架线结构;操作安全;架空电力导线;架空电力线设备;架空线;铁塔;合格试验;质量保证;额定频率;额定电压;可靠度;常规检验;土力学;彼此间隔的;规范(验收);应力;结构工程;结构;试验;电压;风荷载
【英文主题词】:Climaticcondition;Definition;Definitions;Design;Dimensioning;Distances;Durability;Earthcable;Earthing;Effects;Electriccables;Electricconductors;Electricalcords;Electricalengineering;Electricalequipment;Electricalinsulation;Electricalproperties;Electricalpropertiesandphenomena;Electricalsafety;Environmentalcondition;Environmentalsustainability;Erection;Fitnessforpurpose;Foundation;Generalsection;Iceloading;Influenceoftemperature;Insulations;Insulators;Landinggears;Life(durability);Limitloads;Limits(mathematics);Linepostinsulators;Loadability;Loading;Maintenance;Masts;Materialproperties;Materials;Mechanics;Openlineconstruction;Operationalsafety;Overheadlineconductors;Overheadpowerlineinstallations;Overheadpowerlines;Pylons;Qualificationtests;Qualityassurance;Ratedfrequencies;Ratedvoltage;Reliability;Routinechecktests;Soilmechanics;Spaced;Specification(approval);Stress;Structuralengineering;Structures;Testing;Voltage;Windloading
【摘要】:ThisstandardappliestobareandcoveredconductoroverheadlinesandoverheadinsulatedcablesystemswithnominalvoltageexceedingAC1kVuptoandincludingAC45kVandwithratedfrequenciesbelow100Hz.IngeneraltherequirementsinEN50341-1apply.Thisstandardspecifiesadditionalrequirementsandsimplificationsthatapplyonlyforthisvoltagerange.InconnectionwithEN50341-1,thisstandardspecifiesthegeneralrequirementsthatshallbemetforthedesignandconstructionofnewoverheadlinestoensurethatthelineissuitableforitspurposewithregardtosafetyofpersons,maintenance,operationandenvironmentalconsiderations.Thisstandarddoesnotapplyto:–overheadelectriclinesinsideclosedelectricalareasasdefinedinHD637S1;–catenarysystemsofelectrifiedrailwaysunlessexplicitlyrequiredbyanotherstandard.
【中国标准分类号】:F21
【国际标准分类号】:29_240_20
【页数】:32P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforJointsforIPSPVCPipeUsingSolventCement
【原文标准名称】:使用溶解粘固剂的IPSPVC管用接头的标准规范
【标准号】:ASTMD2672-1996a(2003)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:F17.20
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:管;塑料制品;聚氯乙烯;连接;粘固剂;建筑;紧固件;塑料管;塑料
【英文主题词】:non-pressure;joint;burstpressure;socket
【摘要】:1.1Thisspecificationcoversthesocketproducedforsolventcementjointsonbothpressureandnon-pressureIPSpipe.Italsocoversthetestingofthejointsonbothpressureandnon-pressurepipe,andincludesrequirementsforsocketdimensions,burstpressure,andjointtightnesstestsofthesolventcementedjoints.Thetestsdescribedarenotintendedforroutinequalitycontrol,butrathertoevaluatetheperformancecharacteristicsofthejoint.Note18212;OndualmarkedSchedule40DWVandpotablewaterpipe,thesocketbellsmustconformtothedimensionalandphysicalrequirementsforpressuresocketbells.1.2Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Note28212;Changesinground,water,orairtemperaturewillproduceexpansionorcontractionforcesinPVCpiping,andthesewillresultinlongitudinalshearstressesinthesolventcementjoints.Thesestressesmustbeconsideredinthedesignandoperationofthesystem.Note38212;SeePracticeD618forinformationrelatingtothisspecification.1.4Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】: