construction building envelope and interior finishes databook：metrification

《construction building envelope and interior finishes databook：metrification》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、ConstructionBuildingEnvelopeandInteriorFinishesDatabookSidneyM.LevyMcGraw-HillNewYorkSanFranciscoWashington,D.C.AucklandBogotáCaracasLisbonLondonMadridMexicoCityMilanMontrealNewDelhiSanJuanSingaporeSydneyTokyoToronto16SectionMetrificationContents16.0.0Introducti

2、ontothe1975Metric16.5.0MetricrebarconversionsConversionAct16.6.0MetricconversionofASTMdiame-16.1.0Whatwillchangeandwhatwillstayterandwallthicknessdesignationsthesame16.7.0Metricconversionscales(tempera-16.2.0Howmetricunitswillapplyinthetureandmeasurements)const

3、ructionindustry16.8.0Approximatemetricconversions16.3.0Metrificationofpipesizes16.9.0Quickimperial(metricequivalents)16.4.0Metrificationofstandardlumber16.10.0Metricconversionfactorssizes817818Section1616.0.0Introductiontothe1975MetricConversionActAsthefederalgov

4、ernmentmovestoconverttheinch-poundunitstothemetricsystem,inaccor-dancewiththe1975MetricConversionAct,variouspartsoftheconstructionindustrywillbegintheconversiontothismoreuniversalmethodofmeasurement.MetricunitsareoftenreferredtoasSIunits,anabbreviationtakenfrom

5、theFrench:leSystèmeInternationald’Unités.AnotherabbreviationthatwillbeseenwithmorefrequencyisISO—theIn-ternationalStandardsOrganizationchargedwithsupervisingtheestablishmentofauniversalstan-dardssystem.Foreverydaytransactionsitmaybesufficienttogainonlythebasicso

6、fthemetricsystem.NameofmetricunitSymbolApproximatesize(length/pound)meterm3912incheskilometerkm0.6milecentimetercmwidthofapaperclipmillimetermmthicknessofadime1hectareha22acres2squaremeterm1.2squareyardsgramgweightofapaperclipkilogramkg2.2poundsmetrictontlongto

7、n(2240pounds)literLonequartandtwoounces1millilitermL5teaspoonkilopascalkPaatmosphericpressureisabout100PaTheCelsiustemperaturescaleisused.Insteadofreferringtoitsmeasurementasdegreecentigrade,thetermdegreeCelsiusisthecorrectdesignation.Usingthisterm,familiarpoin

8、tsare•Waterfreezesat0degrees•Waterboilsat100degrees•Normalbodytemperatureis37degrees(98.6F)•Comfortableroomtemperature20to35(68to77F)16.1.0WhatWillChangeandWhatWillStaytheSa