BS 4235-1-1972 米制键及键槽规范.第1部分:平键和锥形键
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【英文标准名称】:Specificationformetrickeysandkeyways-Parallelandtaperkeys
【原文标准名称】:米制键及键槽规范.第1部分:平键和锥形键
【标准号】:BS4235-1-1972
【标准状态】:现行
【国别】:英国
【发布日期】:1972-02-22
【实施或试行日期】:1972-02-22
【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】:配合;锁定装置及定位装置;形状;SI制;平键;弯头键;形状公差;尺寸;锥形键;键;尺寸公差
【英文主题词】:Dimensionaltolerances;Dimensions;Fits;Formtolerances;Gib-headkeys;Keys(engineering);Lockingandlocatingdevices;Parallelkeys;Shape;SIsystem(metric);Taperkeys
【摘要】:Parallelandtaperkeysandkeywaysforshaftsof6mmto500mmdiameter.Forsquareandrectangularparallelkeysthreeclassesoffit,'free','normal'and'close',areforeseen.
【中国标准分类号】:J18
【国际标准分类号】:21_120_30
【页数】:32P.;A4
【正文语种】:英语
Product Code:SAE AS39029/87
Title:Contacts, Electrical Connector, Pin, Crimp Removable, Thermocouple (For Mil-C-38999 Series I, Ii, Iii, and Iv, Mil-C- 24308, and Mil-C-83733)
Issuing Committee:Ae-8c1 Connectors Committee
Scope:No scope available.【英文标准名称】:Productsandsystemsfortheprotectionandrepairofconcretestructures-Definitions,requirements,qualitycontrolandevaluationofconformity-Generalprinciplesfortheuseofproductsandsystems
【原文标准名称】:混凝土建筑物保护和维修用产品和方法.合格的定义、要求、质量控制和评估.方法和产品使用的一般原则
【标准号】:BSDDENV1504-9-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-12-15
【实施或试行日期】:1997-12-15
【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】:保护系统;混凝土构件;表面防护;粘附拉伸强度;建筑结构;方法;混凝土;试验;实验室试验;规范(验收);保护(装置);灰浆;检修;检验;定义
【英文主题词】:Adhesivetensilestrength;Concretecomponents;Concretes;Definitions;Inspection;Laboratorytesting;Methods;Mortars;Protection;Protectionsystems;Repair;Specification(approval);Structures;Surfaceprotection;Testing
【摘要】:ThisPrestandardsetsoutbasicconsiderationsforspecificationofprotectionandrepairofplainandreinforcedconcretestructureswithproductsandsystems,whicharespecifiedintheEN1504seriesofStandardsoranyotherrelevantENorEuropeanTechnicalApproval.ThisPrestandardincludes:a)theneedforinspection,testingandassessmentbefore,duringandafterrepair;b)protectionfrom,andrepairofdefectscausedby,theinfluenceoftheenvironmentsdefinedinEN206orotherchemicalsubstances;c)therepairofdefectsfromsuchcausesasmechanicaldamage,differentialsettlement,loading(includingseismicandimpactloading),biologicalattack,inadequateconstructionoruseofunsuitableconstructionmaterials;d)protectionandrepairinordertodecreasetheprogressofalkali-silicareaction;e)meetingtherequiredstructuralcapacityinrepairby:1)replacementoradditionofembeddedorexternalreinforcement;2)fillingofexternalvoidsbetweenelementstoensurestructuralcontinuity;9meetingtherequiredstructuralcapacitybyreplacementoradditionofconcrete;g)waterproofingasanintegralpartofprotectionandrepair;h)protectionandrepairofpavements,runways,hardstandingsandfloors,asanintegralpartofprotectionandrepair;i)methodsofprotectionandrepairincluding:I)treatingcracks;2)restoringpassivitytoreinforcement;3)reducingtherateofcorrosionofreinforcementbylimitingmoisturecontent;4)reducingtherateofcorrosionofreinforcementbyelectrochemicalmethods;5)controllingcorrosionofreinforcementwithcoatings;6)protectionandrepairofpavements,runways,hardstandingsandfloors,asanintegralpartofprotectionandrepair.ThisPrestandarddoesnotcoverspecialapplicationswhichincludebutarenotlimitedtotheexampleslistedbelow:j)repairofconcretestructuresdamagedbyfire;k)productsandsystemsappliedforanypurposeotherthantheprotectionorrepairofconcretestructures;I)repairofdefectsofexistingpost-tensionedsystems;Thegeneralprinciples,however,canbeappliedtosuchapplications.Siteapplicationsuchas:m)thepreparationoftheconcreteorreinforcementbeforeapplicationofproductsandsystems;n)theminimumrequirementsastoenvironmentalconditionsforstorageandapplicationofproductsandsystems;o)controllingthequalityoftherepairwork,arenotcoveredbythisPrestandardbutby1504-10.
【中国标准分类号】:P25
【国际标准分类号】:91_080_40;91_100_30;01_040_91
【页数】:42P.;A4
【正文语种】:英语
