MIL-C-16555D
作者:标准资料网 时间:2024-05-29 13:51:55 浏览:8642
来源:标准资料网
MIL-C-16555D, MILITARY SPECIFICATION, COATING COMPOUND, STRIPPABLE, SPRAYABLE (24 FEB 1975)., This specification covers a strippable coating compound for application by spraying on painted or unpainted metal surfaces to seal openings and provide protection against corrosion. This specification meets Air Pollution Regulations (Rule 66).
基本信息
| 标准名称： | 中国国内电话网No.7信号方式技术规范(暂行规定)(附补充规定1 2-3) |
| 中标分类： |
通信、广播 >>
通信网 >>
通信网技术体制 |
| 发布日期： | 1990-08-01 |
| 实施日期： | 1990-08-01 |
| 首发日期： | |
| 作废日期： | |
| 起草单位： | 邮电部电信传输所 |
| 出版日期： | |
| 页数： | 214页 |
适用范围
本规范在中国国内电话网采用CCITT N0.7信号方式时使用。
前言
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目录
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引用标准
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所属分类： 通信 广播 通信网 通信网技术体制
【英文标准名称】:StandardPracticeforPetrographicExaminationofHardenedConcrete
【原文标准名称】:硬化混凝土的岩相检查的标准实施规程
【标准号】:ASTMC856-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:C09.65
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:硬化的;岩石学;施工材料;混凝土;建筑;试验
【英文主题词】:aggregates;airvoids;alkali-silicareaction;analysis;deterioration;examination;fireeffects;hardenedconcrete;microscopy;paste;petrographic;secondarydeposits
【摘要】:1.1Thispracticeoutlinesproceduresforthepetrographicexaminationofsamplesofhardenedconcrete.Thesamplesexaminedmaybetakenfromconcreteconstructions,theymaybeconcreteproductsorportionsthereof,ortheymaybeconcreteormortarspecimensthathavebeenexposedinnaturalenvironments,ortosimulatedserviceconditions,orsubjectedtolaboratorytests.Thephrase"concreteconstructions"isintendedtoincludeallsortsofobjects,units,orstructuresthathavebeenbuiltofhydrauliccementconcrete.Note18212;Aphotographicchartofmaterials,phenomena,andreactionproductsdiscussedinSections7-12andTable1-6areavailableasAdjunctC856(ADJCO856).1.2Thepetrographicproceduresoutlinedhereinareapplicabletotheexaminationofsamplesofalltypesofhardenedhydraulic-cementmixtures,includingconcrete,mortar,grout,plaster,stucco,terrazzo,andthelike.Inthispractice,thematerialforexaminationisdesignatedas"concrete,"eventhoughthecommentarymaybeapplicabletotheothermixtures,unlessthereferenceisspecificallytomediaotherthanconcrete.1.3outlinesanuranylacetatemethodforidentifyinglocationswherealkali-silicagelmaybepresent.Itisarequirementthatthesubstancesinthoselocationsmustbeidentifiedusinganyothermoredefinitivetechniques,suchaspetrographicmicroscopy.1.4Thepurposesofandproceduresforpetrographicexaminationofhardenedconcretearegiveninthefollowingsections:SectionQualificationsofPetrographersandUseofTechnicians3PurposesofExamination4Apparatus5SelectionandUseofApparatus6Samples7ExaminationofSamples8SpecimenPreparation9VisualandStereomicroscopeExamination10PolarizingMicroscopeExamination11PasteFeatures12Report13
