您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM D7382-2007 用振动锤法测定粒状土壤有效压实的最大干燥单位重量和含水量范围的标准试验方法

作者:标准资料网 时间:2024-05-06 06:25:33  浏览:9746   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodsforDeterminationofMaximumDryUnitWeightandWaterContentRangeforEffectiveCompactionofGranularSoilsUsingaVibratingHammer
【原文标准名称】:用振动锤法测定粒状土壤有效压实的最大干燥单位重量和含水量范围的标准试验方法
【标准号】:ASTMD7382-2007
【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(ASTM)
【起草单位】:D18.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测定;烘干;粒状;锤子;土壤的物理性质;土壤;测试;单位重量;含水量
【英文主题词】:density;granularsoil;soilcompaction;unitweight;vibratinghammer;watercontent;
【摘要】:1.1Thesetestmethodscoverthedeterminationofthemaximumdryunitweightandwatercontentrangeforeffectivecompactionofgranularsoils.Avibratinghammerisusedtoimpartasurchargeandcompactiveefforttothesoilspecimen.1.2Thesetestmethodsapplytosoilswithupto35%,bydrymass,passingaNo.200(75-m)sieveiftheportionpassingtheNo.40(425-m)sieveisnonplastic.1.3Thesetestmethodsapplytosoilswithupto15%,bydrymass,passingaNo.200(75-m)sieveiftheportionpassingtheNo.40(425-m)sieveexhibitsplasticbehavior.1.4Thesetestmethodsapplytosoilsinwhich100%,bydrymass,passesthe2-in.(50-mm)sieve.1.5Thesetestmethodsapplyonlytosoils(materials)thathave30%orless,bydrymassoftheirparticlesretainedonthe3/4-in.(19.0-mm)sieve.Note1Forrelationshipsbetweenunitweightsandwatercontentsofsoilswith30%orless,bydrymass,ofmaterialretainedonthe3/4-in.(19.0-mm)sievetounitweightsandwatercontentsofthefractionpassingthe3/4-in.(19.0-mm)sieve,seePracticeD4718.1.6Thesetestmethodswilltypicallyproduceahighermaximumdrydensity/unitweightforthesoilsspecifiedinandthanthatobtainedbyimpactcompactioninwhichawell-definedmoisture-densit
【中国标准分类号】:B10
【国际标准分类号】:13_080_20
【页数】:11P.;A4
【正文语种】:


下载地址: 点击此处下载
MIL-STD-2066, MILITARY STANDARD: CATAPULTING AND ARRESTING GEAR FORCING FUNCTIONS FOR AIRCRAFT STRUCTURAL DESIGN (20 MAR 1981) [S/S BY MIL-HDBK-2066]., The information contained herein presents loading characteristics, associated parameters, and methods to be used in calculating the catapulting and arresting loads of MIL-A-8863 and MIL-A-8866 for the design of U.S. Navy airplanes operating from shipboard and shore based launching and recovery gears. A listing of such gears for which data is contained herein is given in Table 1.【英文标准名称】:Constructiondrawings-Designationsystems-Part2:Roomnamesandnumbers
【原文标准名称】:建筑工程制图代号体系第2部分:空间命名与编号
【标准号】:ISO4157-2-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC10
【标准类型】:()
【标准水平】:()
【中文主题词】:符号表示;建筑;作标记;企业编码;建筑场地;定义;建筑物;名称与符号;名称与符号;房屋;图纸;技术制图;编号体系;工程图;元部件;公寓号码;规范(验收);建筑和土木工程;数字标志;命名体制;制图体系;类型表示法;编号;结构构件;数;建筑图纸;建筑图纸;公寓
【英文主题词】:Architecturaldrawings;Buildings;Components;Construction;Constructionspaces;Definitions;Designationsystems;Designations;Drawingsystem;Drawings;Engineeringdrawings;Flatnumber;Flats;Manufacturerspartnumbers;Marking;Numbering;Numberingsystems;Numbers;Numericaldesignations;Roomnumber;Rooms;Specification(approval);Structuralmembers;Symbolicrepresentations;Typedesignation
【摘要】:ThispartofISO4157specifiesrequirementsfordesignationsystemsforrooms,areas,spaces,andvoidsinbuildingsbyroomnamesandnumbers.Itisintendedforidentificationofroomsinthedailyuseofthebuildings.Foridentificationofroomsinaprojectthroughoutitslife-cycle,i.e.conception,programming,planning,erection,maintenance,remodellinganddemolitionphases,seeISO4157-3.
【中国标准分类号】:P04
【国际标准分类号】:01_100_30
【页数】:4P.;A4
【正文语种】:英语