【英文标准名称】:StandardTestMethodforDensityofSoilinPlacebytheDrive-CylinderMethod
【原文标准名称】:传动缸法现场测定土壤密度的标准试验方法
【标准号】:ASTMD2937-2004
【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】:D18.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:土壤;试验;建筑;施工材料;密度
【英文主题词】:compactioncontrol;densitytesting;drivecylinder;drivecylindertest;fielddensity;in-placedensity;plugsampler;qualitycontrol;subsurfacesampler;surfacesampler;unitweight
【摘要】:1.1Thistestmethodcoversthedeterminationofin-placedensityofsoilbythedrive-cylindermethod.Thetestmethodinvolvesobtainingarelativelyundisturbedsoilsamplebydrivingathin-walledcylinderandthesubsequentactivitiesforthedeterminationofin-placedensity.Whensamplingorin-placedensityisrequiredatdepth,TestMethodD1587shouldbeused.1.2Thistestmethodisnotappropriateforsamplingorganicsoilswhichcancompressuponsampling,veryhardnaturalsoilsandheavilycompactedsoilswhichcannotbeeasilypenetratedbythedrivesampler,soilsoflowplasticitywhichwillnotbereadilyretainedinthecylinder,orsoilswhichcontainappreciableamountsofgravel(particlescoarserthan4.75mm(3/16in.)).Thepresenceofparticlescoarserthan4.75mm(3/16in.)mayintroducesignificanterrorsindensitymeasurementsbycausingvoidsalongthewallofthecylinderduringdriving,andwhencoarsematerialshavetobedislodgedbythetrimmingofthesampleobtainedbythecylinder.1.3Thistestmethodislimitedtotheproceduresnecessaryforobtainingspecimenssuitablefordeterminingthein-placedensityandwatercontentofcertainsoils.Theproceduresandprecautionsnecessaryforselectinglocationsandobtainingundisturbedsamplessuitableforlaboratorytestingorotherwisedeterminingengineeringpropertiesisbeyondthescopeofthistestmethod.1.4Itiscommonpracticeintheengineeringprofessiontoconcurrentlyusepoundstorepresentbothaunitofmass(lbm)andaunitofforce(lbf).Thisimplicitlycombinestwoseparatesystemsofunits,thatis,theabsolutesystemandthegravitationalsystem.Itisscientificallyundesirabletocombinetheuseoftwoseparatesetsofinch-poundunitswithinasinglestandard.Thistestmethodhasbeenwrittenusingthegravitationalsystemofunitswhendealingwiththeinch-poundsystem.Inthissystemthepound(lbf)representsaunitofforce(weight).However,theuseofbalancesorscalesrecordingpoundsofmass(lbm),ortherecordingofdensityinlbm/ft3shouldnotberegardedasnonconformancewiththistestmethod.1.5AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.6ThestandardvaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareprovidedforinformationpurposesonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Agriculturalandforestrymachinery-Pedestriancontrolledtractorswithmountedrotarycultivators,motorhoes,motorhoeswithdrivewheel(s)-Safety.
【原文标准名称】:农业和林业机械.带可动刀中耕机,电动锄及带驱动轮电动锄的可在侧面步行操纵的拖拉机.安全性
【标准号】:NFU02-015/IN2-2009
【标准状态】:作废
【国别】:法国
【发布日期】:2009-07-01
【实施或试行日期】:
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:农业机械;农用拖拉机;农业;解剖学;配料;制动器;燃烧;通信;触点;封盖物;切削;危险区域;定义(术语);设计;易于到达区域;电线;人类工效学;排气;爆炸危险;火灾危险;林业;图形符号;手动的;手柄轴;自行车车把;处理;危害;热学;锄;吸入;机器;作标记;测量;机械卷边连接;铣刀;具有驱动轮的电动锄;噪声;噪声(环境的);使用条件;操作元件;操作说明书;保护覆盖层;保护设备;安全性;安全工程;安全措施;安全性要求;剪切;滑动;土地耕作;整地机具;规范(验收);起动装置;转向力;转向器的安装;绊跌;表面;温度;试验设备;测试;工具;拖拉机;用户信息;振动;手扶拖拉机;警告符号;舒适区
【英文主题词】:Agriculturalmachines;Agriculturaltractors;Agriculture;Anatomy;Batching;Brakes;Combustion;Communication;Contact;Covers;Cutting;Dangerzones;Definitions;Design;Easy-reacharea;Electricalcords;Ergonomics;Exhaustgases;Explosionhazard;Firehazards;Forestry;Graphicsymbols;Handoperated;Handleshafts;Handlebars;Handling;Hazards;Heat;Hoes;Inhalation;Machines;Marking;Measurement;Mechanicalcrimping;Millingcutters;Motorhoewithdrivingwheels;Noise;Noise(environmental);Operatingconditions;Operatingelements;Operatinginstructions;Protectioncoverings;Protectiondevices;Safety;Safetyengineering;Safetymeasures;Safetyrequirements;Shearing;Slipping;Soilcultivation;Soil-workingequipment;Specification(approval);Startingdevices;Steeringforce;Steeringinstallations;Stumble;Surfaces;Temperature;Testequipment;Testing;Tools;Tractors;Userinformation;Vibration;Walkingtractors;Warningsymbols;Zonesofcomfort
【摘要】:
【中国标准分类号】:
【国际标准分类号】:65_060_20;65_060_70
【页数】:8P;A4
【正文语种】:其他