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DIVISION700-MATERIALS第700局部–材料:SECTION701第701節(jié)CEMENT水泥TheContractorshallprovidesuitablemeansforstoringandprotectingcementagainstdampness.Cementwhichforanyreasonhasbecomepartiallysetorwhichcontainslumpsofcakedcementwillberejected.Cementsalvagedfromdiscardedorusedbagsshallnotbeused.承包商應(yīng)提供適宜的手段貯存并保護水泥免受潮濕的影響。因任何原因而局部固化或含有水泥餅團的水泥為不合格。不得使用從丟棄或使用過的水泥袋中回收的水泥。701.1-PORTLANDCEMENT:硅酸鹽水泥:PortlandcementshallconformtotherequirementsofASTMC150,TypeI.硅酸鹽水泥應(yīng)符合ASTMC150中第I類的要求。.701.2-NOTUSED:未使用701.3-BLENDEDHYDRAULICCEMENTS:混合水凝水泥:BlendedhydrauliccementshallconformtotherequirementsofASTMC595forPortlandBlast-FurnaceSlagCement,TypeIS,orPortland-PozzolanCement,TypeIP.混合水凝水泥應(yīng)符合ASTMC595中對于對于第IS類硅酸鹽高爐礦渣水泥的要求或是第IP類火山灰硅酸鹽水泥的要求。701.4-MASONRYCEMENT:砌筑水泥:MasonryCementshallconformtotherequirementsofASTMC91.砌筑水泥應(yīng)符合ASTMC91的要求。.SECTION702第702節(jié)FINEAGGREGATE細骨料702.1-FINEAGGREGATEFORPORTLANDCEMENTCONCRETE:硅酸鹽水泥混凝土細骨料:702.1.1-GeneralRequirements:一般要求:Fineaggregateshallconsistofcrushedstone,manufacturedsand,oracombinationthereof,conformingtotherequirementsoftheseSpecifications.細骨料應(yīng)由碎石、人工砂或是兩者的混合物構(gòu)成,并符合本《技術(shù)標準》的要求。TheminingofriverandseasandintheareasurroundingthesiteoftheWorksisgenerallyprohibitedbylocalregulation.PermitsforsuchmininghavetobeobtainedfromtheDivisionalSecretary.TheDesignConsultantsinvestigationshaveindicatedthatsuchlocalnaturalsourcesofsandwouldbegrosslyinsufficientfortherequirementsoftheWorks,andwouldbeconsequentinsignificantenvironmentalimpact.However,providedthatthenecessarypermitscouldbeobtainedfromtheappropriateauthorities(includingtheapprovaloftheCentralEnvironmentalAuthority)therewouldbenospecificobjectionontechnicalgroundstotheuseofsuchsourcesprovidedthatthephysicalcharacteristicsofthematerialproducedshallcomplywiththeSpecifications.Biddersshallbeawarethatthegrantingofappropriatepermitsbytheauthoritiesconcernedisunlikely,andtheEmployershallbearnoresponsibilityforthegrantingorrefusal(orsubsequentwithdrawalinthecaseofinitialgranting)ofpermitsandapproval.地方法規(guī)普通禁止在工程工地周圍區(qū)域采集河砂或海砂。應(yīng)從部門秘書處為采集河砂或海砂取得許可。咨詢工程師進行了調(diào)查,說明砂子這類地方性自然資源遠不夠工程的要求,且會造成重大環(huán)境影響。然而,如果能從有關(guān)部門〔包括中央環(huán)境廳〕取得必要的許可,在技術(shù)層面沒有特別反對使用此類資源的理由,但材料的物理特性應(yīng)符合標準。招標人應(yīng)了解,部門不太可能給予的相關(guān)許可,而且雇主應(yīng)對于有無取得許可及批準不負有責(zé)任。Theterm“manufacturedsand〞referstofineaggregatederivedfromcrushingofrockconformingtotherequiredspecifications.“人工砂〞一詞指搗碎到達標準要求巖石而得到的細骨料。702.1.2-DeleteriousSubstances:有害物質(zhì):TheMaximumpercentagesofdeleterioussubstancesshallnotexceedthelimitsbelow.有害物質(zhì)最大含量不得超過以下限值。MATERIAL材料PERCENTbyWEIGHT重量百分比AmountfinerthanNo.200(75μm)sieveformanufacturedfineaggregate(AASHTOT11andT27).Amanufacturedfineaggregateisonewhichhasbeenreducedinparticlesizebycrushing細于No.200號(75μm)篩網(wǎng)人工細骨料〔AASHTOT11和T27〕的總量。人工細骨料指通過搗碎而減小顆粒大小的骨料。5AmountfinerthanNo.200(75μm)sieveforallothersands(determinedbyAASHTOT11andT27)細于No.200(75μm)篩網(wǎng)的其它砂子(根據(jù)AASHTOT11及T27測定)總量3Coalandotherlightweightdeleteriousmaterial(AASHTOT113)煤及其它輕質(zhì)有害材料〔AASHTOT113〕0Friableparticles(AASHTOT113)1易碎顆?!睞ASHTOT113〕11LargerpercentagespassingtheNo.200(75μm)sieveinthefineaggregatefractionwillbepermittedifthepercentpassingtheNo.200(75μm)sieveinthecoarseaggregatefraction(703.4)islessthanthespecifiedmaximum.Innoevent,however,shallthepercentpassingtheNo.200(75μm)sieveinthetotalconcreteaggregatebegreaterthananamountwhichwouldexistifbothaggregatefractionscontainedtheirspecifiedmaximumpercentagepassingtheNo.200(75μm)sieve.假設(shè)粗骨料局部中通過No.200(75μm)篩網(wǎng)的百分比小于規(guī)定的最大值,那么允許細骨料局部中含量百分比大于上述限值但通過No.200(75μm)篩網(wǎng)的。然而在任何情況下,水泥骨料總量中通過No.200(75μm)篩網(wǎng)的百分比都不得大于兩類骨料局部含有的通過No.200(75μm)篩網(wǎng)的最大百比分的總量。702.1.3-Soundness(DeterminedbyAASHTOT104):鞏固性〔根據(jù)AASHTOT104測定〕:Whenthefineaggregateissubjectedtofivealternationsofthesodiumsulphatesoundnesstest,theweightedlossshallnotexceed10percentbyweight.假設(shè)細骨料要經(jīng)過五輪酒石酸納鞏固性測試,損失的重量不得超過重量的10%。702.1.4-OrganicImpurities(DeterminedbyAASHTOT21):有機雜質(zhì)〔根據(jù)AASHTOT21測定〕:Whenthefineaggregateissubjectedtotheorganicimpuritiestest,thecolorshallnotbedarkerthanthestandard.Intheeventacolordarkerthanthestandardisproduced,theacceptabilityofthematerialwillbedeterminedasspecifiedin702.1.5.細骨料接受有機雜質(zhì)測試時,顏色不得暗于標準。假設(shè)出現(xiàn)了暗于標準的顏色,按的規(guī)定測定材料是否合格。702.1.5-MortarStrength(DeterminedbyAASHTOT71):砂漿強度〔根據(jù)AASHTOT71測定〕:Fineaggregatefailingtheorganicimpuritiestestshallbesubjectedtothetestformortarmakingproperties.ThefineaggregateshalldevelopacompressivestrengthattheageofsevendayswhenusingTypeIorIIcement,oratthreedayswhenusingTypeIIIcement,ofnotlessthan90percentofthestrengthdevelopedbyamortarpreparedinthesamemannerwiththesamecementandgradedsandhavingafinenessmodulusof2.4plusorminus0.10.未能通過有機雜質(zhì)測試的細骨料應(yīng)接受拌制砂漿的屬性測試。在第7天時〔假設(shè)使用第I類或第II類水泥〕或是第3天時〔假設(shè)使用第III類水泥〕細骨料應(yīng)構(gòu)成的抗壓強度不得小于以同樣方式用同樣水泥及細度系數(shù)2.4±0.10的級配砂拌制的砂漿的強度的90%。702.1.6-Grading:級配:ThefineaggregateusedfordevelopingaconcretemixdesignshallhaveanAof6.1plusorminus0.4.用于混凝土配料設(shè)計的細骨料的強度應(yīng)到達A值6.1±0.4。ThegradationshallbedeterminedinaccordancewithAASHTOT27andT11.級配按AASHTOT27及T11進行。Thedeterminationof‘A’valueisgiveninthesecondparagraphofSub-Section702.1.6ofSection702ofVolume3,TechnicalSpecifications.However,thetypographicalerrorsinthesubjectparagrapharecorrectedasfollows:是否A值按《技術(shù)標準》第3冊第702節(jié)之小節(jié)第二段進行測定。但,主題段落內(nèi)的印刷錯誤如下糾正:The‘A’valueshallbedeterminedbyaddingthecumulativepercentagesbyweightofmaterialpassingeachofU.S.StandardSieveNos.37.5mm,19mm,9.5mm,4.75mm,2.36mm,1.18mm,30(600μm),50(300μm),100(150μm)and200(75μm)anddividingby100.A值按加上通過美國標準篩網(wǎng)No.37.5mm、19mm、9.5mm、4.75mm、2.36mm、1.18mm、30(600μm),50(300μm),100(150μm)及200(75μm)材料重量百分比的累計再除以100而測定。702.1.7-UniformityofGrading:級配均勻性:Thegradationlimitsgivenin702.1.6representtheextremelimitswhichshalldeterminesuitabilityofmaterialfromallsourcesofsupply.Thegradationofmaterialfromanyonesource,however,shallbereasonablyuniform.702.16中給出的級配限值反響了測定供給的所有資源中取得的材料的適宜性極限。然而從任何一種資源中取得的材料的級配應(yīng)到達合理的均勻性。702.2-MORTARfineaggregate:砂漿細骨料FinemanufacturedaggregateshallmeettherequirementsofAASHTOM45,exceptdelete4.1through4.4andsubstitutethefollowing:人工細骨料應(yīng)滿足AASHTOM45的要求,但除去4.1至4.4并替換下面內(nèi)容:Aggregateforuseinmasonrymortarshallbegradedwithinthefollowinglimits:用于砌筑砂漿的骨料應(yīng)按以下限值進行級配:SIEVESIZEPERCENTPASSING篩分粒度過篩百分比SIEVESIZE篩分粒度PERCENTPASSING過篩百分比No.4(4.75mm)No.4(4.75mm)100No.8(2.36mm)90-100No.100(150μm)0-30No.200(75μm)0-10Forjointsthickerthan13mm,sandmeetingtherequirementsof702.1.1through702.1.5and702.6willbepermitted.對于厚于13mm的接縫,允許使用到達及702.6要求的砂子。702.3-FINEAGGREGATEFORASPHALTMIXTURES:用于瀝青混合物的細骨料:FineaggregateforasphaltmixturesshallmeettherequirementsofASTMD1073,exceptthatthegradationrequirementswillbewaived.用于瀝青混合物的細骨料應(yīng)滿足AASHTOD1073的要求,但其中級配要求作廢。702.4-MINERALFILLERFORASPHALTMIXTURES:用于瀝青混合物的礦物填料:MineralfillerforasphaltmixturesshallmeettherequirementsofASTMD242,modifiedasfollows:Mineralfillershallbefreefromharmfulorganicimpurities.Gradationrequirementswillbewaived.用于瀝青混合物的礦物填料應(yīng)滿足AASHTOD242的要求,修訂如下:礦物填料應(yīng)無有害無機雜質(zhì),級配要求作廢。702.5-LIGHTWEIGHTFINEAGGREGATEFORSTRUCTURALCONCRETE:用于結(jié)構(gòu)混凝土的輕細骨料LightweightfineaggregateforstructuralconcreteshallmeettherequirementsofASTMC330.用于結(jié)構(gòu)混凝土的輕細骨料應(yīng)符合ASTMC330的要求。702.6-ALTERNATEGRADING:交替級配:Fineaggregateshallbewellgradedfromcoarsetofineandshallconformtothefollowingrequirements:細骨料應(yīng)從粗到細仔細級配,并符合以下要求:SIEVESIZE篩分粒度PERCENTPASSINGBYWEIGHT過篩百分比din.(9.5mm)100No.4(4.75mm)95–100No.16(1.18mm)45–80No.50(300μm)10–30No.100(150μm)2–10SECTION703COARSEAGGREGATE第703節(jié)粗骨料703-GENERAL概述:Coarseaggregateshallconsistofcrushedstone,washedgravel(crushedoruncrushed),crushedslag,oranycombinationthereof,conformingtotherequirementsoftheseSpecifications.粗骨料應(yīng)由碎石、洗凈砂石〔搗碎或未搗碎的〕,碎渣是其任何組合物構(gòu)成,并符合《技術(shù)標準》的要求。703.1-CRUSHEDSTONE:碎石:703.1.1-GeneralRequirements:一般要求:Crushedstoneshallconsistofparticlesofclean,hard,tough,durablerockfreefromadherentcoatings.碎石應(yīng)由無粘性涂層的干凈、堅實、牢固的巖石顆粒構(gòu)成。703.1.2-DeleteriousSubstances:有害物質(zhì):Deleterioussubstancesshallnotexceedthelimitssetforthbelow:有害物質(zhì)不得超過以下限值:MATERIAL材料%BYWEIGHT重量%Thinorelongatedpieces(determinedbyMETHODOFDETERMINATIONOFPERCENTOFTHINORELONGATEDPIECESINCOARSEAGGREGATE)薄片或長塊〔根據(jù)《粗骨料中薄片或長塊百分比測定方法》而測定〕5Shale(determinedbySTANDARDMETHODOFTESTFORPERCENTBYWEIGHTOFSHALEINCRUSHEDAGGREGATE)頁巖〔根據(jù)《碎料中頁巖重量百分比測試標準方法》測定〕1Coalandotherlightweightdeleteriousmaterial(determinedbyAASHTOT113)煤及其它輕質(zhì)有害材料〔根據(jù)AASHTOT113測定〕0Friableparticles(determinedbyAASHTOT113)易碎顆粒〔根據(jù)AASHTOT113測定〕0.25703.1.3-PercentageofWear(AASHTOT96orASTMC535):磨損率〔AASHTOT96或ASTMC535〕:Crushedstoneshallhaveapercentageofwearnottoexceed40.碎石的磨損率不應(yīng)超過40。703.1.4-Soundness(DeterminedbyAASHTOT104):鞏固性〔根據(jù)AASHTOT104測定〕:Whensubjectedtofivecyclesofthesodiumsulphatetest,theweightedpercentageoflossshallbenotmorethantwelve.假設(shè)要經(jīng)過五輪酒石酸納鞏固性測試,損失的重量不得超過重量的12%。703.2-GRAVEL:礫石:703.2.1-GeneralRequirements:一般要求:Gravelshallbecomposedofparticlesofhard,durablerock,thoroughlycleanandwellgradedinsize.Gravelshallmeettherequirementsof703.1.2,703.1.3and703.1.4.礫石應(yīng)同堅硬牢固的巖石構(gòu)成,充分干凈,充分級配。礫石應(yīng)到達、及的要求。703.2.2-CrushedParticles:碎粒:Thefollowingminimumrequirementsforpercentofcrushedparticles(determinedbySTANDARDMETHODOFTESTFORPERCENTCRUSHEDAGGREGATE)forthetypeofconstructionindicatedshallgovern:對于所示建筑物類型,以下針對于碎粒百分比的最低要求〔根據(jù)《碎料百分比測試標準方法》測定〕將適用:CrushedParticlesMinimumPercentbyWeightoftheGravelorBlendsRetainedonNo.4(4.75mm)SieveNo.4(4.75mm)篩網(wǎng)上留下的礫石或配料中碎粒重量最小百分比FRACTURE裂縫TYPEOFCONSTRUCTION建筑物類型ONEFACE一面TWOFACE兩面BituminousConcreteBase1瀝青混凝土根底1800BituminousConcreteWearing,PatchingandLevelling,Base2,Prime,Tack,SurfaceTreatments,WinterGradePatchingMixturesandaggregatesNo.7andsmallerinpenetrationmacadamandRoadMixBituminousPavements瀝青混凝土磨損、修補及整平、底漆、根底2、軌道、外表處理、冬用級修補混合物及灌漿碎石和瀝青路面混合材料中No.7及更細的骨料80BituminousConcreteSurfacesorWearingCoursesonallprojectsrequiringspecificskidresistantqualities所有工程中有特殊防滑要求的瀝青混凝土外表或磨損層80703.2.3-PeaGravel:NotUsed豆粒礫石:未使用703.3-SLAG:NOtUsed爐渣:未使用703.3.1-SteelSlag:NotUsed鋼渣:未使用703.3.2-ElectrometallurgicalSlag:NotUsed電治金渣:未使用703.3.3-PowerPlantSlag:NotUsed發(fā)電廠廢渣:未使用703.4-GRADINGOFCOARSEAGGREGATES:粗骨料級配CoarseaggregateshallbeuniformlygradedtoconformtotherequirementsofTable703.4.ThegradationofcoarseaggregatesintheproductionofconcreteshallbecontrolledbytheAvalueasspecifiedin557.3and551.3.Inaddition,coarseaggregatestobeusedinPortlandcementconcreteshallhavenomorethanonepercentbyweightpassingtheNo.200(75μm)sieve,exceptthatthispercentagemaybeincreasedto1.5inthecaseofcrushedaggregateifthematerialfinerthantheNo.200(75μm)sieveconsistsofthedustoffracture,essentiallyfreefromclayorshale.ThegradationshallbedeterminedinaccordancewithAASHTOT27&T11.粗骨料應(yīng)均勻級配以到達表703.4的要求。在拌制混凝土?xí)r,粗骨料的級別應(yīng)按557.3及551.3規(guī)定的A值。此外,在硅酸鹽水泥混凝土中使用的粗骨料,通過No.200(75μm)篩網(wǎng)的重量不應(yīng)超過1%,如果是碎料,材料細于No.200(75μm)篩網(wǎng),由裂縫灰構(gòu)成,尤其是沒有泥土或頁巖,那么這一百分比可放寬至1.5%。級配應(yīng)按AASHTOT27&T11測定。WhenthecoarseaggregateistobeusedinPortlandcementconcrete,largerpercentagespassingtheNo.200(75μm)sieveinthecoarseaggregatefractionwillbepermittedifthepercentpassingtheNo.200(75μm)sieveinthefineaggregatefraction(702.1)islessthanthespecifiedmaximum.Innoevent,however,shallthepercentpassingtheNo.200(75μm)sieveinthetotalconcreteaggregatebegreaterthananamountwhichwouldexistifbothaggregatefractionscontainedtheirspecifiedmaximumpercentagepassingtheNo.200(75μm)sieve.假設(shè)粗骨料用于硅酸鹽水泥混凝土,假設(shè)細骨料局部(702.1)中含量百分比大于上述限值但通過No.200(75μm)篩網(wǎng)小于規(guī)定的最大值,可以放寬粗骨料局部通過No.200(75μm)篩網(wǎng)的百分比,然而在任何情況下,水泥骨料總量中通過No.200(75μm)篩網(wǎng)的百分比都不得大于兩類骨料局部含有的通過No.200(75μm)篩網(wǎng)的最大百比分的總量。Table703.4showsthegradationsforcoarseaggregatesrequiredbyAASHTOM43.表703.4顯示了AASHTOM43要求的粗骨料級配。703.5-LIGHTWEIGHTCOARSEAGGREGATEFORSTRUCTURALCONCRETE:用于結(jié)構(gòu)混凝土的輕量粗骨料LightweightcoarseaggregateforstructuralconcreteshallmeettherequirementsofASTMC330.用于結(jié)構(gòu)混凝土的輕量粗骨料應(yīng)符合ASTMC330的要求。.
TABLE703.4-STANDARDSIZESOFCOARSEAGGREGATES(AASHTOM43)Amountsfinerthaneachlaboratorysieve(squareopenings),percentagebyweightSize#Nominalsizesquareopenings1009075635037.5251912.59.5(4.75)1(90to37.5)10090to10025to600to150to5210090to10035to700to150to52410090to10025to600to100to5310090to10035to700to150to535710095to10035to7010to300to5410090to10020to550to150to546710095to10035to7010to300to551009010020to550to100to55610090to10040to8510to400to150to5
Size#Nominalsizesquareopenings(37.5)(25)(19)(12.5)(9.5No.4(4.75)No.8(2.36)No.16(1.18)No.50(300μm)No.100(150μm)57(25.0to4.75)10095to10025to600to100to56(19to9.5)10090to10025to550to150to567(19to4.75)10090to10020to550to100to568(19to2.36)10090to10030to655to250to100to57(12.5to4.75)10090to10040to700to150to578(12.5to2.36)10090to10040to755to250to100to58(9.5to2.3)10085to10010to300to100to589(9.5to1.18)10090to10020to555to300to100to5916(4.75to1.18)10085to10010to400to100to510(4.75to0)10085to10010to30
TABLE703.4-STANDARDSIZESOFCOARSEAGGREGATES表703.4–粗骨料標準粒徑(AASH至M43)Amountsfinerthaneachlabora至rysieve(squareopenings),percentagebyweight細于各實驗室標準篩網(wǎng)(方孔)的總量,重量百分比粒徑#標稱粒徑方孔1009075635037.5251912.59.5(4.75)1(90至37.5)10090至10025至600至150至5210090至10035至700至150至52410090至10025至600至100至5310090至10035至700至150至535710095至10035至7010至300至5410090至10020至550至150至546710095至10035至7010至300至551009010020至550至100至55610090至10040至8510至400至150至5
粒徑#標稱粒徑方孔s(37.5)(25)(19)(12.5)(9.5No.4(4.75)No.8(2.36)No.16(1.18)No.50(300μm)No.100(150μm)57(25.0至4.75)10095至10025至600至100至56(19至9.5)10090至10025至550至150至567(19至4.75)10090至10020至550至100至568(19至2.36)10090至10030至655至250至100至57(12.5至4.75)10090至10040至700至150至578(12.5至2.36)10090至10040至755至250至100至58(9.5至2.3)10085至10010至300至100至589(9.5至1.18)10090至10020至555至300至100至5916(4.75至1.18)10085至10010至400至100至510(4.75至0)10085至10010至30Ininches(millimetres),exceptwhereotherwiseindicated.NumberedsievesarethoseoftheUnitedStatesStandardSieveSeries.除非另有規(guī)定,以英寸為單位(毫米)。編號的篩網(wǎng)為美國標準篩網(wǎng)系列。Screenings.篩余物SECTION704第704節(jié)STONEANDCRUSHEDAGGREGATE石料及碎料704.1-STONEFORMASONRY:砌筑石料:Stoneforcoursedmasonryshallbetough,soundanddurable,resistanttoweatheringaction,reasonablyfinegrained,uniformincolor,andfreefromseams,cracks,pyriteinclusionsorotherstructuraldefects.Thestoneshallhaveacompressivestrengthofnotlessthan34.5MPa.Stoneshallbeofsuchcharacterthatitcanbetrulywroughttosuchlinesandsurfacesasmayberequired.用于層石砌體的石料應(yīng)硬實、完整、牢固,抗風(fēng)化作用,顆粒細度合理,顏色均一,無接縫、裂痕,黃鐵礦或其它結(jié)構(gòu)性缺陷。石料的抗壓強度應(yīng)不小于34.5MPa。石料應(yīng)具有能按具體砌成線條或外表的特性。704.2-STONEFORSTONEPITHCHING:砌石護坡石料:Stoneofriprapshallconsistoffieldstoneorroughunhewnquarrystoneasnearlyrectangularinsectionasispracticable.Thematerialshallhaveamaximumweightedlossof30percentwhensubjectedtofivecyclesofsodiumsulphatesoundnesstest,AASHTOT104.亂石塊應(yīng)由其截面盡可能為正方形的散石或粗糙毛石構(gòu)成。接受五輪AASHTOT104酒石酸納鞏固性測試后,重量損失不得超過30%。704.3-STONEFORGABIONS:格賓網(wǎng)石料:Materialforgabionsshallconsistofrock,fieldstone,unhewnquarrystoneorriverbedstone.Thedimensionsoftherockorstonefillingsshallbesuchastopreventlossofmaterialthroughmeshopeningsandaccomplishamasswithaminimumamountofvoids.Thematerialshallhaveamaximumweightedlossof30percentwhensubjectedtofivecyclesofsodiumsulphatesoundlesstest,AASHTOT104.格賓網(wǎng)材料應(yīng)由巖石、散石、粗糙毛石或河床石構(gòu)成。巖石或填石的尺寸應(yīng)大小適宜,防止材料通過網(wǎng)眼散落并且構(gòu)成塊體其罅隙最小。接受五輪AASHTOT104酒石酸納鞏固性測試后,重量損失不得超過30%。704.4-DUMPEDROCKGUTTER:加濕巖石槽:Thematerialfordumpedrockguttershallberockcontainingacombinedtotalofnotmorethan15percentothersuitablematerial,asdeterminedbyvisualinspection.用于加濕巖石槽的材料應(yīng)為含有總計不超過15%的其它適宜材料的巖石,通過目測即可。Visualinspectionshallbeusedtodeterminethattherockwillconformtothefollowingweightrequirements:通過目測測定巖石是否符合以下重量要求:ThicknessofGutter,mm槽厚,mm70PercentoftheWeightofMaterialShallConsistofStonesWeighingBetweentheFollowingLimits:材料重量的70%應(yīng)由重量間于以下限值之間的石塊構(gòu)成。300mm300mm20-45kg20-45kg450mm450mm25-70kg25-70kg600mm600mm30-90kg30-90kg750mm750mm45-115kg.66845-115kg.668704.5-SPECIALROCKFILL:特殊石填料:Specialrockfillmaybelimestoneorsandstonehavingamaximumweightedlossof30percentwhensubjectedtofivecyclesofsodiumsulphatesoundnesstest,AASHTOT104.ThematerialusedforSpecialRockFillshallnotbelimitedtolimestoneorsandstone.RockofalternativegeologicaloriginwillbeacceptableprovideditcomplieswiththephysicalcharacteristicsprescribedintheSpecificationsforSpecialRockFill.Metallurgicalslagorbrokenconcrete,fromasourceapprovedbytheEngineer,maybefurnished.特殊石填料應(yīng)為接受AASHTOT1045輪酒石酸納鞏固性測試后重量損失不超過30%的石灰石或沙巖。用作特殊石填料的材料不限于石灰石或沙巖。其它地質(zhì)成因的巖石也可,只要符合特殊石填料標準中規(guī)定的物理特性即可??商峁┙?jīng)工程師批準的出處得來的治金渣或混凝土碎塊。TherockshallhavethedimensionsinaccordancewiththeContractDocuments.巖石的尺寸應(yīng)按合同文件。ThematerialusedforSpecialRockFillshallnotbelimitedto“l(fā)imestoneorsandstone〞.RockofalternativegeologicaloriginwillbeacceptableprovideditcomplieswiththephysicalcharacteristicsprescribedintheSpecificationsforSpecialRockFill.]用于特殊石填料的材料不應(yīng)限于“石灰石或沙巖〞。其它地質(zhì)成因的巖石也可,只要符合特殊石填料標準中規(guī)定的物理特性即可。704.6-AGGREGATEFORBASEORSUBBASECOURSE:用于根底或底基層的骨料:AggregateforCrushedBaseCourseshallbeClass1aggregateinaccordancewithSection704oftheTechnicalSpecifications.用于基層碎塊的骨料應(yīng)為符合《技術(shù)標準》第704節(jié)的1級骨料。704.6.1-General:概述:AggregateforCrushedBaseCourseshallbeClass1aggregate.用于基層碎塊的骨料應(yīng)為1級骨料。Thematerialshallconsistofgravel,crushedgravel,crushedstone,crushedslag,oranycombinationofthesematerialsuniformlyblendedtoconformtotherequirementsof704.6.2,withthefollowingexception:LosAngelesabrasionisnotrequiredforblastfurnaceslag.Naturalormanufacturedsandmaybeusedasacomponentoftheblend.Whengravelistobeusedinstabilized(treated)baseorsubbaseconstruction,itneednotbecrushed.Whenusedinanunstabilizedbaseorsubbaseconstruction,thegravelshallbecrushedasspecified.材料應(yīng)由礫石、碎礫石、碎石、碎渣、或其任意組合構(gòu)成,混合均勻,符合的要求,但以下情況例外:不要求對鼓風(fēng)爐渣進行洛杉機磨損測試??刹捎锰烊换蛉斯ど白幼鰹榕淞铣煞帧<僭O(shè)要在穩(wěn)定〔處理〕基層或底基層構(gòu)造中采用礫石,無須搗碎。假設(shè)用于非穩(wěn)定〔處理〕基層或底基層構(gòu)造中,應(yīng)按要求搗碎礫石。WhentheContractorelectstoblendmaterials,eachcomponentoftheblendshallmeetthequalityrequirementsof704.6.2.Bladeorroadmixingwillnotbeallowed.假設(shè)承包商選擇拌制材料,各成分應(yīng)到達的質(zhì)量要求。不允許葉片攪拌或路拌。Whenshouldersarespecified,naturalsandmaynotbeusedasashouldercomponent.假設(shè)規(guī)定了路肩,不可將天然砂石做為路肩成分。704.6.2-Gradation,Quality,andCrushedParticleRequirements:級配、質(zhì)量及碎粒要求:MaterialshallbesampledinaccordancewithAASHTOT248,AggregateSamplingProcedures.材料應(yīng)按AASHTOT248骨料抽樣程序進行抽樣。Whengravelisusedinanunstabilizedconditionandincombinationwithothertypesofaggregate,itshallproduceacombinedmaterialhavingaminimumof80percentone-facefractureasdeterminedbyweightofparticlesretainedontheNo.4(4.75mm)sieve.Whengravelisusedinanunstabilizedconditionandalone,itshallhaveaminimumof80percentone-facefractureasdeterminedbyweightofparticlesretainedontheNo.4(4.75mm)sieve.假設(shè)礫石用于非穩(wěn)定條件下,并與其它骨料合用,根據(jù)No.4(4.75mm)篩網(wǎng)上截信的顆粒重量測定,構(gòu)成的組合材料至少應(yīng)具有80%的單面裂縫。假設(shè)礫石用于非穩(wěn)定條件下,不與其它骨料合用,根據(jù)No.4(4.75mm)篩網(wǎng)上截信的顆粒重量測定,至少應(yīng)具有80%的單面裂縫。704.6.3-Sampling,TestingandAcceptanceProcedure:取樣、測試及驗收程序:MaterialshallbesampledinaccordancewithAASHTOT248AggregateSamplingprocedures.Frequencyofsamplingandtestingandplottingofgradationtestdatawillbeinaccordancewithestablishedprocedures.材料應(yīng)按AASHTOT248骨料抽樣程序進行抽樣。抽樣、測試及繪制級配測試數(shù)據(jù)的時間間隔應(yīng)按既定的程序進行。MaterialfailingtocomplywiththeSpecificationrequirementswhensampled,tested,andevaluatedinaccordancewiththeaboveproceduresshallberemovedandreplacedattheContractor'sexpense,or,attheoptionoftheEngineer,maybeleftinplacewithreducedpayment.按以上程序進行抽樣、測試、評估,發(fā)現(xiàn)不符合標準要求的材料,應(yīng)予以去除并更換,由承包商承當費用,或者是由工程師決定,選擇保存材料,減扣支付款。TABLE704.6.2A–GRADATIONREQUIREMENTS表704.6.2A–級配要求GradationAmountsFinerThanEachLaboratorySieve(SquareOpenings),%ByWeight細于各實驗室標準篩網(wǎng)(方孔)的級配總量,重量百分比Aggregate骨料(200)(63)(50)(37.5)(19)#4(4.75)#40(42.5μm)#100(150μm)#200(75μm)110050–9020–505–200–7210080–10035–7510–3041005–9520–605–350–10510030–900-15610050-10025–7010-453–280–25790-1000-5Withintermediatesizesbetween150mmand100mmrepresented反映了介于150mm與100mm之間的中等粒徑30810080–10035–7510-404–14910080-9550–7020-40TABLE704.6.2B-QUALITYREQUIREMENTS表704.6.2B–質(zhì)量要求AggregateClass骨料級別LosAngelesAbrasion,洛杉磯磨損Percent,Max.最大百分比SodiumSulphateSoundness,酒石酸納鞏固性PercentMax.最大百分比Liquid液體LimitMax.最大限值PlasticityIndex,塑性指數(shù)Max.最大值DeleteriousMaterial有害材料PercentMax.最大百分比1501225652501225654502565525656302565710(byvisualobservation)10〔目測〕850122565950122565704.6.4-TestMethods:測試方法:LosAngelesAbrasion洛杉磯磨損AASHTOT96,ASTM535Soundness(SodiumSulphate,5cycles)鞏固性〔酒石酸納,5輪〕AASHTOT104LiquidLimit液限AASHTOT89PlasticityIndex塑性指數(shù)AASHTOT90DeleteriousMaterials有害材料ASTMC295,AASHTOT113,AASHTOT113,STANDARDMETHODOFTESTFORPERCENTBYWEIGHTOFSHALEINCRUSHEDAGGREGATEAASHTOT113,《碎料中頁巖重量百分比測試標準方法》Gradation級配AASHTOT11和T27704.7-FILTERMATERIAL:過濾材料:Filtermaterialshallconsistofcrushedfineaggregate,otherapprovedinertmaterial,oracombinationthereof,havinghard,strong,durableparticles.Thematerialshallcontainnotmorethanatotaloffivepercentcoal,claylumps,shale,softfragments,organicmatter,andotherlocaldeleterioussubstances.過濾材料應(yīng)由細碎骨料、其它惰性材料或其組合構(gòu)成,顆粒堅硬、強韌、牢固。材料所含煤、泥塊、頁巖、軟碎片、有機質(zhì)以及其它局部有害物質(zhì)不超過5%。Thematerialshallconformtothefollowinggradation:材料應(yīng)符合以下級配標準:U.S.StandardSieveSizeU.S.標準篩分粒度PercentPassing,byWeight過篩百分比,重量50mm1004.75mm65–100425m(No.40)25–5075m(No.200)0–25704.8-SHOTROCK:崩落巖石:Shotrockshallbelimestone,sandstone,orotherinorganicmaterialacceptabletotheEngineer,havingdimensionssimilartothatwhichexistsafterfinalblastingatthequarrysiteandpriortocrushing.Itshallcontainmaterial.thatwouldgenerallyberetainedona150mmsieve,andnotlargerthanthatwhichcouldbetailgatedfromasingleaxle7to9Mgdumptruck.Inaddition,some250to300mmmaterialshallberepresentedasanintermediatesize.Shotrockshallhaveamaximumweightedlossof30percentwhensubjectedtofivecyclesoftheSodiumSulphateSoundnesstest,AASHTOT104.崩落巖石應(yīng)為石灰石、沙巖或工程師批準的其它無機材料,尺寸約為礦區(qū)經(jīng)過最終鼓風(fēng)后而在搗碎前的尺寸。崩落巖石含有的材料應(yīng)大體上能截留在150mm篩網(wǎng)上,但不大于單軸7-9Mg泥頭車緊附后檔板顆粒的尺寸。此外,局部250-300mm材料應(yīng)做為中等粒徑。崩落巖石接受五輪AASHTOT104酒石酸納鞏固性測試后,重量損失不得超過30%。AcceptanceforgradationshallbeonthebasisofaletterofcertificationfromtheProducerverifyingthatthesizesspecifiedarerepresented.等級驗收應(yīng)依據(jù)承包商的書面證明,即規(guī)定的粒徑都有表達。SECTION705第603節(jié)ASPHALTMATERIALS瀝青材料705GENERAL概述:Asphaltsshallbemadebyrefiningofpetroleumandshallbefreefromtarortarproducts.TherespectivetypesandgradesshallmeettheSpecificationrequirements.瀝青應(yīng)通過石油煉制,不摻雜焦油或焦油產(chǎn)品。其類型和級別應(yīng)分別到達標準要求。AsphaltsshallbesampledinaccordancewithAASHTOT40.Whenasphaltmaterialisfurnishedbyasupplierwhoisnotcertified,thesuppliershallberequiredtohaveeachbatchorlotofmaterial,tobefurnishedtotheEngineer,sampledbyanEngineer-approvedinspectionagency,inaccordancewithASTMD2234E105andshallhavethesamplestestedforcompliancewiththegoverningSpecificationinanEngineer-approvedlaboratory.瀝青應(yīng)按AASHTOT40抽樣。瀝青假設(shè)由未取得資格的供給商提供的,供給商應(yīng)將每批瀝青提交給工程師,由工程師認可的檢驗機構(gòu)按ASTMD2234E105進行抽樣檢查,并由工程師安排在程師認可的實驗室里按適用的標準進行測試。Measurementofthevolumeofasphaltmaterialsshallbebasedonthevolumeofthematerialsat(15.5°C).Volumesmeasuredathigherorlowertemperaturesshallbecorrectedtothevolumesofthematerialat(15.5°C)usingthecoefficientsofexpansiongivenbelow.瀝青材料份量應(yīng)在15.5°C情況下材料份量測取。高于或低于此溫度下測得的份量應(yīng)采取下面給出的擴張系數(shù)修正至15.5°C下的份量。TEMPERATURECONVERSIONFACTORS溫度換算系數(shù)Material材料Coefficient系數(shù)AsphaltEmulsion瀝青乳液0.00025(0.00045)AsphaltCement瀝青水泥0.00035(0.00062)Cut-backEmulsifiedAsphalt稀釋乳化瀝青0.0004(0.0007)ApplicationTemperatures:應(yīng)用溫度:Unlessotherwiseindicatedordirected,therangeswillbeusedasguideforapplicationtemperaturesforthevariousasphaltmaterials.Fieldconditionsmayrequiretemperaturesoutsidetheseranges.除非另有說明或指示,所述范圍做為各種瀝青材料應(yīng)用溫度的指導(dǎo)溫度。在現(xiàn)場條件下,可能要求超過這些范圍的溫度。TABLE705-APPLICATIONTEMPERATURES表705–應(yīng)用溫度TypeandGradeofMaterial材料類型和級別Application應(yīng)用溫度范圍〔攝氏度〕Asphalt’s瀝青Spray噴灑Mix混合MC-25036-11736-117RS-121-60RS–252-85HFRS–252-85MS-1andMS-222-7122-71HFMS-222-7122-71SS-1andSS-1hSS-1和SS-1h22-7122-71AEM-127-5227-52AEM-249-7149-71AEM-360-8260-82AEM-471-8871-88CRS-152-85CRS-152-85CMS-2andCMS-2hCMS-2和CMS-2h22-7122-71CSS-1andCSS-1hSS-1和SS-1h22-7122-71AsphaltPrimerforDamproofingandWaterproofing防潮及防水瀝青透層10-27AsphaltforDamproofingandWaterproofing防水瀝青透層149-177AsphaltCement瀝青水泥AC–5141-177121-163AC–10141-177121-163AC–20141-177121-163705.1-WINTERGRADECUT-BACKASPHALT:冬用稀釋瀝青ThismaterialshallconformtotherequirementsspecifiedforMC-250inAASHTOM82andinadditionshallmeettherequirementsofAASHTOT182..本材料應(yīng)符合AASHTOM82中為MC-250規(guī)定的要求,并到達AASHTOT182的要求。TABLE705.1–ASPHALTEMULSION表705.1–瀝青乳液SpecificationDesignation標準名稱CBAEPrimerCBAE底漆AEM-1FurolViscosityat25°C25°C時賽氏重油粘度30-10040-250CoatingTest涂層測試Note1注1Note2注2WaterContent(percent)水分〔百分比〕3–83–8ResiduebyDistillation(percent)蒸餾殘留物〔百分比〕45+50+ResiduePenetration25°C100g5sec25°C,100g,5秒殘渣針入度50–200ResidueSolubilityin
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