ASTM A779/A779M-2005 预应力混凝土用应力消除未涂覆密实七股钢丝绞绳标准规范
时间:2024-05-25 03:47:26 来源: 标准资料网 作者：标准资料网 阅读：8591
【英文标准名称】:StandardSpecificationforSteelStrand,Seven-Wire,Uncoated,Compacted,Stress-RelievedforPrestressedConcrete
【原文标准名称】:预应力混凝土用应力消除未涂覆密实七股钢丝绞绳标准规范
【标准号】:ASTMA779/A779M-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:A01.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:compactedstrand(tendon);prestressedconcrete
【摘要】:1.1Thisspecificationdescribesthreegradesofcompacted,seven-wire,uncoated,stress-relievedstrandforuseinpre-tensionedandpost-tensionedprestressedconcreteconstruction.1.2SupplementIdescribeslow-relaxationstrandandlow-relaxationtesting.1.3Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedasstandard.Withinthetext,theinch-poundunitsareshowninparentheses.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.
【中国标准分类号】:
【国际标准分类号】:29_060_01
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Pneumaticfluidpower.Generalrulesandsafetyrequirementsforsystemsandtheircomponents(CD-ROM)
【原文标准名称】:气动液压.系统及其部件(CD-ROM)的一般规则和安全要求
【标准号】:BSENISO4414-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2011-07-31
【实施或试行日期】:2011-07-31
【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】:
【英文主题词】:Acceptance(approval);Acceptanceinspection;Accessories;Accidentprevention;Agreements;Airreceivers;Circuitdiagrams;Components;Compressedair;Compressed-airsystems;Containers;Control;Dataofthemanufacturer;Definitions;Design;Documentations;Equipmentsafety;Fluidcircuits;Fluidtechnology;Hazards;Hoseassemblies;Instructions;Maintenance;Marking;Mechanicalcomponents;Mechanicalengineering;Mounting;Operatingconditions;Operation;Pipelines;Piping;Plantconstruction;Pneumaticdevices;Pneumaticequipment;Pneumaticsystems;Pneumatictransmissionsystems;Pneumaticvalve;Pneumatically-operateddevices;Pneumatics;Protection;Protectivemeasures;Safety;Safetyengineering;Safetymeasures;Safetyofmachinery;Safetyrequirements;Specification;Specification(approval);Technicaldatasheets;Userinformation
【摘要】:
【中国标准分类号】:J20
【国际标准分类号】:23_100_01
【页数】:
【正文语种】:英语
【英文标准名称】:Pipethreadswherepressure-tightjointsarenotmadeonthethreads-Part1:Dimensions,tolerancesanddesignation
【原文标准名称】:非螺纹密封的管螺纹第1部分:标记、尺寸和公差
【标准号】:ISO228-1-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC5
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;G-系列螺纹;尺寸公差;尺寸;连接;管连接件;螺纹;管螺纹;名称与符号;螺纹形状;规范;管道配件;符号;压合接头;公差(测量)
【英文主题词】:Compressionfittings;Designations;Dimensionaltolerances;Dimensions;Externalthreads;G-seriesscrewthreads;Internalthreads;Joints;Marking;Mechanicallinkages;Pipeconnectors;Pipecouplings;Pipefittings;Pipethreads;Screwthreads;Specification(approval);Specifications;Symbols;Threadforms;Threads;Toleranceclasses;Tolerances(measurement)
【摘要】:ThispartofISO228specifiestherequirementsforthreadform,dimensions,tolerancesanddesignationforfasteningpipethreads,threadsizes1/16to6inclusive.Bothinternalandexternalthreadsareparallelthreads,intendedforthemechanicalassemblyofthecomponentpartsoffittings,cocksandvalves,accessories,etc.Thesethreadsarenotsuitableasjointingthreadswhereapressure-tightjointismadeonthethread.Ifassemblieswithsuchthreadsmustbemadepressure-tight,thisshouldbeeffectedbycompressingtwotighteningsurfacesoutsidethethreads,andbyinterposinganappropriateseal.NOTE1Forpipethreadswherepressure-tightjointsaremadeonthethreads,seeISO7-1.NOTE2ISO228-2givesdetailsofmethodsforverificationoffasteningthreaddimensionsandform,andrecommendedgaugingsystems.
【中国标准分类号】:J05
【国际标准分类号】:21_040_30
【页数】:8P;A4
【正文语种】:英语