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GB 12987-1991 农房用混凝土圆孔板

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基本信息
标准名称:农房用混凝土圆孔板
英文名称:Concrete hollow floor slab for rural houses
中标分类: 轻工、文化与生活用品 >> 造纸 >> 纸浆与纸板
替代情况:被GB 12987-1997替代
发布日期:1997-07-28
实施日期:1998-02-01
首发日期:1900-01-01
作废日期:1998-02-01
起草单位:苏州混凝土水泥制品研究所
出版日期:1900-01-01
页数:14页
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所属分类: 轻工 文化与生活用品 造纸 纸浆与纸板
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【英文标准名称】:Hydrometry-Vocabularyandsymbols(ISO772:2011);TrilingualversionENISO772:2011
【原文标准名称】:液体比重测定法.词汇和符号(ISO772-2011):三种语言版本ENISO772-2011
【标准号】:ENISO772-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Datacollection;Definitions;Flowmeasurement;Geohydrology;Groundwater;Hydraulicengineering;Hydrogeology;Hydrography;Hydrology;Hydrometer;Hydrometry;Measurementofliquids;Openchannels;Overgroundwaters;Precipitation(atmospheric);Statistics;Terminology;Terminologystandard;Underground;Vocabulary;Watercirculation;Waterlevelmeasurement;Waterlevels;Waterpractice;Waters
【摘要】:
【中国标准分类号】:A51
【国际标准分类号】:01_040_17;17_120_20
【页数】:200P;A4
【正文语种】:英语


【英文标准名称】:Safetyofunshieldedtunnelboringmachinesandrodlessshaftboringmachinesforrock
【原文标准名称】:岩石用未掩蔽的隧道掘进钻探设备和无杆钻井机的安全性
【标准号】:BSEN815-1996+A2-2008
【标准状态】:现行
【国别】:英国
【发布日期】:1997-05-15
【实施或试行日期】:1997-05-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:磨蚀;通路;事故预防;展台;电缆;交付使用;校正(误差);导(线)管;连接;触点;控制;控制盘;输送带;电流;定义(术语);钻床;钻机;尘埃;防尘罩;电力系统;应急照明设备;紧急停车;紧急断开;供能系统(建筑物);人类工效学;挖掘机械;出口;爆炸;火灾;灭火器;火灾危险;防火;火险;防火安全性;配件;柔性管;断裂;气体;系固;手册;处理;操纵;危害;插入物;激光器;提升;照明系统;液体;表;维护;作标记;道路标记;材料;机械零部件;机械卷边连接;机械工程;甲烷;噪声(环境的);职业安全;操作元件;引出端;全体人员;管;位置;压力;保护(装置);人体保护;防护服装;防护设备;铰孔;岩石;安全性;安全措施;机械安全性;安全性要求;坐位姿势;分离;钻井机;掘井;竖井;标志;滑动;备件;稳定性;起动装置;储存;绊跌;物质;吸引设备;开关装置;符号;变压器;隧道掘进机;开挖隧道;隧道掘进设备;升级;用户信息;通风;验证;振动;警告装置;警告标志;警报系统;警告;水;天气控制;工作场所安全性
【英文主题词】:Abrasion;Access;Accidentprevention;Booths;Cables;Commissioning;Compensation(errors);Conduits;Connections;Contact;Control;Controlboards;Conveyorbelts;Currents;Definitions;Drillingmachines;Drillingrigs;Dust;Dustguards;Electricpowersystems;Emergencylighting;Emergencyshutdown;Emergency-off;Energysupplysystems(buildings);Ergonomics;Excavatingequipment;Exits;Explosions;Fire;Fireextinguishers;Firehazards;Fireprotection;Firerisks;Firesafety;Fittings;Flexiblepipes;Fracture;Gases;Guying;Handbooks;Handling;Handlings;Hazards;Inserts;Lasers;Lifting;Lightingsystems;Liquids;Lists;Maintenance;Marking;Markingofroads;Materials;Mechanicalcomponents;Mechanicalcrimping;Mechanicalengineering;Methane;Noise(environmental);Occupationalsafety;Operatingelements;Outlets;Personnel;Pipes;Position;Pressure;Protection;Protectionofpersons;Protectiveclothing;Protectiveequipment;Reaming;Rocks;Safety;Safetymeasures;Safetyofmachinery;Safetyrequirements;Seatingposture;Separation;Shaftboringmachines;Shaftsinking;Shafts;Signs;Slip;Spareparts;Stability;Startingdevices;Storage;Stumble;Substances;Suctionequipment;Switchgear;Symbols;Transformers;Tunnelboringmachines;Tunnelling;Tunnellingequipment;Upgrading;Userinformation;Ventilation;Verification;Vibration;Warningdevices;Warningsigns;Warningsystem;Warnings;Water;Weathercontrol;Workplacesafety
【摘要】:1.1FieldofapplicationThisstandardisapplicabletounshieldsedtunnelboringmachines,TBM's,androdlessshaftboringmachines,SBM's,andtheirtowedorattachedback-upequipmentfordrivingtunnelsorshaftsinrockwherethewholeareaisexcavatedinoneormorestepsbymechanicalmeans.Itspecifiesessentialsafetyrequirementsforthedesign,constructionandmaintenanceofsuchmachineswhenusedinnon-explosiveatmospheretogetherwiththemethodsofverification.Thestandardspecifiesmonitoringforhazardousatmosphere.ForTBM'sandSBM'swhicharetobeusedcontinuouslyinexplosiveatmosphere,additionalrelevantstandardsalsoapply.ThisEuropeanStandarddealswithallsignificanthazardspertinenttounshieldedtunnelboringmachinesandrodlessshaftboringmachinesforrock,whentheyareusedasintendedandundertheconditionsforeseenbythemanufacturer(seeclause4).ThisEuropeanStandardspecifiestheappropriatetechnicalmeasurestoeliminateorreducerisksarisingfromthesignificanthazards.1.2DescriptionofthemachinesThegeneralterm"unshieldedtunnelboringmachines"encompassesvariouskindsofmachinesformechanicalexcavationofundergroundopeningssuchastunnelsandinclinedshafts.Thisisdoneinacontinuousprocess,withoutblasting,usingarotatingcutterhead.Dependingonthehardnessofthematerialbeingexcavated,toolsofdifferenttypesareusedtocuttherock.Normally,rollingdiscsareemployedinmediumtoveryhardrock.Alltunnelboringmachines,TBM's,androdlessshaftboringmachines,SBM's,havethetoolsmountedonacutterheadwhichrotatesunderthrustagainsttherock.Thetorquerequiredtorotatethecutterheadisdevelopedbyelectricorhydraulicmotorsandthethrustisnormallydeliveredbyhydraulicallypoweredcylinders.ThetorqueandthrustreactionscreatedbyaTBMorSBMhavetoberesistedbyanchoringthecompletemachineinsidetheboreitselfbymeansofagrippingsystemwhichisresetaftereachboringstrokeandallowsthemachinetobesteeredinthedesireddirection.TBM'snormallyoperateinaneartohorizontaldirectionbutcanalsobeusedtodriveinclinedtunnels.Whentheinclinebecomestoosteep,asecondanchoringsystemwillbeprovidedtopreventthemachinefromslidingdownwhiletheprimarygrippersarereset.InmostcasesTBM'sworkthefullfaceofthetunnel.However,insomecasesthetunnelisdrivenintwoormorephases,bystartingwithapilotholewhichisenlargedinoneormoresteps.Thismethodiscalledreaming.ThemachinesusedareinprinciplethesameasaTBMdrivingthewholetunnelareainonestep.SBM'sresemblecloselyTBM'sbutoperateinverticaldirection.Theshaftisinmanycasessunkinamultistageoperation,thatis(i.e.),firstapilotholeisboredusingaraiseboremachineandthepilotholeisreamedbyusingtheSBM.Normallyforthismethod,theshaftbottomisalreadyundercuttoprovideadequateroomforthemuckanditsremoval.Thefullfaceoftheshaftcanalsobeboredinonestep.Inthiscasethemuckistransportedtothetopoftheshaft.TBM'sandSBM'sintendedforworkinunstablerockareprovidedwithequipmentfortheerectionandhandlingofrockreinforcementand/orlining.ThespecifiedrequirementsofthisstandardconformtotheEuropeanStandardsEN292-1andEN292-2.1.3HazardsThisstandarddealswithallidentifiedsignificanthazardscausedbyTBM'sandSBM's,whentheyareusedundertheconditionsstatedbythemanufacturerintheoperator'shandbook.1.4ThisEuropeanStandardappliesprimarilytomachineswhicharemanufacturedafterthedateofapprovalofthisEuropeanStandard.
【中国标准分类号】:P97
【国际标准分类号】:91_220;93_060;
【页数】:44P.;A4
【正文语种】:英语