ASTM D6638-2007 土工合成加固和分段式混凝土构件间连接强度的测定用标准试验方法(模数混凝土块)

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【英文标准名称】:StandardTestMethodforDeterminingConnectionStrengthBetweenGeosyntheticReinforcementandSegmentalConcreteUnits(ModularConcreteBlocks)
【原文标准名称】:土工合成加固和分段式混凝土构件间连接强度的测定用标准试验方法(模数混凝土块)
【标准号】:ASTMD6638-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:混凝土块;混凝土;连接件;加筋;试验方法;构件
【英文主题词】:connections;geogrid;geosynthetic;geosyntheticreinforcement;geotextile;performancetest;segmentalconcreteunits;tensiletest
【摘要】:Theconnectionstrengthbetweengeosyntheticreinforcementandsegmentalconcreteblockunitsisusedindesignofreinforcedsoilretainingwalls.Thistestisusedtodeterminetheconnectionstrengthforthedesignoftheconnectionsystemformedbysegmentalconcreteblockunitsandgeosyntheticreinforcementlayersinreinforcedsoilretainingwalls.Performingaseriesoftheseconnectiontestsatvaryingnormalloadspermitsdevelopmentofarelationshipbetweenconnectionstrengthandnormalload.Thisrelationshipmaybelinear,bi-linear,orsomeothercomplexmathematicalexpression.Thisconnectionstrengthtestismeanttobeaperformancetest(laboratoryorfield),therefore,itshouldbeconductedusingfull-scalesystemcomponents.Theconditionsforthetestareselectedbytheuserandarenotforroutinetesting.Asaperformancetestonfull-scalesystemcomponentsitaccountsforsomeofthevariablesinconstructionproceduresandmaterialstolerancenormallypresentforthesetypesofretainingwallsystems.1.1Thistestmethodisusedtodeterminetheconnectionpropertiesbetweenalayerofgeosyntheticreinforcementandsegmentalconcreteblockunitsusedinconstructionofreinforcedsoilretainingwalls.Thetestiscarriedoutunderconditionsdeterminedbytheuserthatreproducetheconnectionsystematfull-scale.Theresultsofaseriesoftestsareusedtodefinearelationshipbetweenconnectionstrengthforasegmentalunit-geosyntheticconnectionsystemandnormalload.1.2Thisisaperformancetestusedtodeterminepropertiesfordesignofretainingwallsystemsutilizingsegmentalconcreteunitsandsoilreinforcinggeosynthetics,eithergeotextilesorgeogrids.Thetestisperformedonafull-scaleconstructionoftheconnectionandmayberuninalaboratoryorthefield.1.3ThevaluesstatedinSIunitsareregardedasthestandard.Thevaluesstatedininch-poundunitsareprovidedforinformationonly.Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q72
【国际标准分类号】:91_100_50
【页数】:7P.;A4
【正文语种】: