SAE ARP5602/3 A Guideline for Aerospace Platform Fiber Optic Training and Awareness Education Aerospace Fiber Optics Fab
作者:标准资料网 时间:2024-05-27 12:31:25 浏览:8839
来源:标准资料网
Product Code:SAE ARP5602/3
Title:A Guideline for Aerospace Platform Fiber Optic Training and Awareness Education Aerospace Fiber Optics Fabricator Knowledge Competencies
Issuing Committee:As-3 Fiber Optics And Applied Photonics Committee
Scope:This document establishes training guidelines applicable to fiber optic fabricator technical training for individuals involved in the manufacturing, installation, support, integration and testing of fiber optic systems. Applicable personnel include:
【英文标准名称】:Sublandtwistdrillswithparallelshanksforholespriortotappingscrewthreads
【原文标准名称】:攻丝前先钻孔的直柄阶梯麻花钻
【标准号】:ISO3439-1975
【标准状态】:作废
【国别】:国际
【发布日期】:1975-09
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:阶梯麻花钻;直柄;尺寸;工具;钻头;麻花钻
【英文主题词】:tools;drills;dimensions;sublandtwistdrills;parallelshanks;twistdrills
【摘要】:
【中国标准分类号】:J41
【国际标准分类号】:4490
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCompressiveStrengthofConcreteCylindersCastinPlaceinCylindricalMolds
【原文标准名称】:在圆柱形模型中现场浇注的混凝土圆筒的抗压强度的标准试验方法
【标准号】:ASTMC873/C873M-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:C09.61
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compressivestrength;concrete;cylindermolds;in-placestrength;Compressiontesting--cement/concrete;Concretetestspecimens;Cylindricalconcretespecimens
【摘要】:Cast-in-placecylinderstrengthrelatestothestrengthofconcreteinthestructureduetothesimilarityofcuringconditionsbecausethecylinderiscuredwithintheslab.However,duetodifferencesinmoisturecondition,degreeofconsolidation,specimensize,andlength-diameterratio,thereisnotauniquerelationshipbetweenthestrengthofcast-in-placecylindersandcoresofthesameage.Whencorescanbedrilledundamagedandtestedinthesamemoistureconditionasthecast-in-placecylinders,thestrengthofthecylinderscanbeexpectedtobeonaverage10%higherthanthecoresatagesupto91daysforspecimensofthesamesizeandlength-diameterratio.Strengthofcast-in-placecylindersmaybeusedforvariouspurposes,suchasestimatingtheload-bearingcapacityofslabs,determiningthetimeofformandshoreremoval,anddeterminingtheeffectivenessofcuringandprotection.1.1Thistestmethodcoversthedeterminationofstrengthofcylindricalconcretespecimensthathavebeenmoldedinplaceusingspecialmoldsattachedtoformwork.Thistestmethodislimitedtouseinslabswherethedepthofconcreteisfrom125to300mm[5to12in.].1.2Units8212;ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(WarningFreshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.)
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:4P.;A4
【正文语种】:英语
