FRITZ LAB EQUIPMENT NEEDS - Lehigh University

1 FRITZLABEQUIPMENTNEEDS Hydraulies SoilsLaboratory DataAquisitionSystefnandLoadingEquipment FR\ :\;--:r.::.ERINGLAB'~ , ,wecitethefollowing:Thetwomainpumpsarequ iteold, , ,theinstallationofaconstantheadpressuret ankwasintendedtocorrectthiswatersupplypr oblem,butithasnotworkedsatisfactorily, , , , , , ,valves, ,andwhencompleted, , ,isadescriptionoftheneedsrequiredtoprovi deexperimentalfacilitiesforteachingbasic principlesinanapproachsuit-ableforthe198 0sandbeyond,ratherthanthe"training' ,thebasement,firstfloor, ,expressedduringtheVisitingCommitteedisc ussions,wasthepossibilityofmovingtheenti reengineeringinstructional/experi-mental equipmentintotheoldpowerhouse(nowthethea tre).

2 WeunderstandthecurrentUniversitycommitme nttothislatterfacility, , ,PHILOSOPHICALSTATEMENTANDBUDGETESTIMATE FORPROPOSEDHYDRAULICENGINEERINGLABORATOR YRENOVATIONANDEQUIPMENTO ctober30,1979( )BACKGROUND:Recognizingthephysicallimita tionsandshortcomingsofthefacili-tiesused inteachingfluidmechanicsandhydraulicengi neering,thefivecivilengineeringfacultyme mberswhoareteachingandconductingresearch inhydraulicengineeringconductedathorough reviewandevaluationofthelaboratoryequip~ ,thephilosophyofteachinginthisareaofcivi lengineeringwasthoroughlydiscussedanddeb atedinternally,usingourcontactsthroughou tthepro-fessiontoprovideagoodinsightinto currentandfutureneedsforcivilengineering educationinhydraulics, , ,Chairman.

3 "provideadequatebutnotexcessivefacilitie stoteachunder-graduateandgraduatestudent stheareaofhydraulicengineeringusingbasic principlesratherthanthe"trainingapproach "appropriatetothe1930'sequipmentandfacil itiesthatarecurrentlyinthehydraulicengin eeringlaboratoryareaofFritzEngineeringLa boratory""' "hardware"portionsoftheproposedplanare1) replace:nentofthetwoexistingmainsupplypu mps(onlyoneofthecurrentpu:npunitsisopera tional),2)removalofaconstantpressuretank occupyingspaceonthreefloorlevels,3)reloc ationandelevationoftheexistingconstanthe adsupplytankand4) , "principles"orientedmethodstobeusedinthe future(partiallyreflectedinpresentteachi ngefforts) "rooted" ,twootherflQ~esareincluded;oneasmall"pri nciples" (erosion,scour,etc.

4 ~inatetheentirelaboratorywatersystem,the appropriateflQ~ ~EHYDRAULICSLABORATORYRENOVATION:Therear eseveraladditionalitemswhich, ~erethewavechannelispresentlylocatedandw herethetiltingflQmewillbelocatedsincethi sistheonly100foot( ) "wetareas",itiscrucialthateithertheprese ntareabeeffectivelvandcompletelvsealedto preventwaterseepingandleakingdownintothe vulnerableshopandelectricalgear, , anyofthecurrentpossiblesolutionsdonotaff ecttheprinciplesofthehydraulicslaborator yrenovations,norforthatmatter, , 4 TEHYDRAULICSLABORATORYRENOVATIONANDEQUIP MENTO ctober30,1979}fajorItems' ,relatedpipingandvalvesa)ExistingConstan tPressureTankb)Westvolumetrictankinbasem entc)Dredgepumps,motorsandcontrolsinbase mentd)

5 ,returnandlooppipingsystema)Epoxylinedfa bricatedsteelpipeof12",14"and16"diameter b)Relatedbutterflyvalvesc)Relatedfitting s(elbows,teesandreducers) ~ent;HaveChannel,'(\laterTunnel,SmallTil tingFlumeandFixedBedGlass-I (abovemachineshop) $12,0005,00016,0006,00025,00022,24019,92 017,95035,00012,500a)SupplyPtLl1pS(2)(Ve rticalTurbinePumps2500gpm@60foothead,com ~letewithmotorandelectricalstarters)b)Ad justableSlopeFltLl1ec)SmallTeachingFl~l1 ed)Instructional-de~onstrationhydraulicl aboratoryunits25,000150,00024,00060,710i )FluidProperties/Hydrostatics2@$9175ii)F luidMechanicsFloWingFluid2C9$9600iii)Hyd raulic~achinerySystem1@ -LABORATORY~~INTENfu~ (1)repairandmaintainexistinglaboratoryeq uipment,(2)constructnewteachingcenters( ,statictriaxial,consolidationetc.

6 Withassistancefromthesoilsfaculty,and(3) ~ :(1) (2)2electronicbalancesbothoutofcalibrati onandadjustmentandthereforenotuseableatt hepresenttime.(3)12dialgaugesofwhich7oft hesearebroken(4)4dryingovensthatare10yrs beyondtheirlifeexpectancyresultinginlarg evariationsintemperatures(5)2directshear devicesofwhich1isworking(6)TheDajorityof pansforhandlingsoilsarerustedandarenolon geruseable.(7)Humidiferunitinhumidityroo miswornoutthereforethehumidityroomisnolo ngeroperable(8)1useablesoilcompactionmol d,5othersarewornout(9) ,alargeportionofthelabisjustwornout, $15,000 -UPG~~DINGGEOTECHNICALENGINEERINGLABORAT ORY_~ , , , $165, (CSS)wouldbeutilizedinbeththeundergradua te~~ " ,thecostofupgradingthesoilslaboratoryint oaviableteachingfacilityisestimatedtobe$ 180, -EXISTINGCOURSESUTILIZINGSOILLABORATORYF ACILITIES12 CourseNUrilber14334238143944744946048148 3491 CourseTitleSoilMechanicsExperimentalSoil MechanicsSpecialTopicsOceanEngineeringRe searchAdvancedTopicsinGeotechnicalEngine eringGeotechnicalResearchCivilEngineerin gProjectSpecialProblemsGraduateSeminarTh esis13 TABLE2 -PRELIMINARYCOSTESTIMATEFORUPGRADINGSOIL SLABORATORYEQUIPMENT* ~ITSH ydraulicServocontrolledcyclictriaxialsys tem$10, , , , , , , , '_y"flatbedrecorder4, , , $165, * ~ (.)

7 Earthquakeandmachinefoundations) "~UnitElectronicInstrumentationLog-TorOp tionSubtotal$5,000$2,OUO$ :Thisdevicewillallowthedeterminationofth emaximumshearmodulus(Gmax) andthemax~}SumYoung'smodulus(Emax)atlows hearingstrainlevels(10%).Inadditionthisd evicewillallowthedeterminationoftheshear modulus,Young's~ulusa~dampingratiointhes hearingst~ainrangefrom10-~to10-~. ,ModelSSl04 BasicUnitAccessoriesSubtotal$18,000$2,00 0$20,0002 ,ModelSSl04(Contd.) ~bothcyclicprop-ert~estesting(shearmodul usanddamping)inthestrainrange10-% (Hydraulic)25kiploadframe5kiploadcell5ki pactuator5and10gpmservovalves442controll er413mastercontrolpanel417counterpanel41 0digitalfunctiongenerator16 Subtotal$70,000?

8 ~rformingcyclicpropertiestestinginthestr ainrangelO-~ (UCLA-LeeDesign)cpkCyclicPneumaticLoader Subtotal$1,500$4,000$5, (Contd.)PurposesThisdevicewillprovideaco nstantcyclicstressloaderforuseoneitherth ecyclicsimpleshearapparatusorforthedevel op~~~ ' ~.5 LVDT's(Schaevitz) (columbia) (Interpace) $12,000$4,500$3,200$2,000$2,000$1,600.$2 5, $7, (400psi)castaC1':fliccellwith$:3,000anai rbearingsealSubtotal$10, $8,000$10,000 Note:Allcostsindicatedareestimated1978-1 979prices.~-CYCLICTRIAXIAL~IGEOPHYSICAL, !,II~CYCliCSIMPLESHEAR~,.. ~ ~~~~~~IJ-+-SM-EO*~~----EARTHOUAKES*I10-5 10-410-310-210-110 ShearStrain-y,percent*NOTE:Rangeofshears traindenotedas"Earthquakes"representsane xtremerangeformostearthquakes.

9 "Sm-EO" -APPROXIMATESHEARINGSTRAINRANGESOFLABORA TORYDYNAMICTESTSI-exF4l6 Nov79 DATAACQUISITIONSYSTEMSANDLOADINGEQUIPMEN TT hepresentfacilitiesfortestingstructuresu nderdynamicloadingwere"modern"inthe1950s , ,thedifferenceisnotoneof"better"ascompar edwith"good."Itisamatterofaneedfora"basi cnecessity"incomparisonwithasystemthatca nalmostbereferredtoas"fullyinadequate." ,cyclic, ( ) $134,000ofwhich$104, ,reinforcedconcrete, Currently,fiveprogramstotalling$2,800, "ContributionofFloorSystemstoEarthquakeR esistanceofBuildingStruc-tures,""MinorAx isBeam-to-ColumnConnections,"and"Connect ionsforIndustrialInstallations."TheEquip mentNeeded(1)LoadingEquipmentAdditionald ual-actingactuatorsareneededtotestfour-w ayconnec-tions,subassemblages, ,hydraulicpowersupply,andtwodual-actinga ctuatorswithamaximumstrokeof+ ,andthevalves,controls, ,andthelongerstrokeofthetwonewactua-tors willenablethedeterminationoftheinelastic reserverequiredtopro-videresistancetoear thquakeeffectsinstructures.

10 (2)DataAcquisitionSystemFritzLaboratoryp resentlyisservedbya B& ," , , , ,itisproposedtoacquireaninterfacetoallow thedatatobepro-cessedbyaMINe-11mini-comp uter.(3)DataReductionSystemTomeettheneed sforon-sitedataprocessing,itisproposedto purchaseaMINC-1 IModularInstrumentComputer,marketedbyDig italEquipmentCorp.,Marlborough, ,ana1og-to-digita1,anddigital-analogconv ersionanddigitalinputandoutputaswellasse rvinguptofourtermi-n~ ;itispro-po~ ,graphics,andinstrumentcontrol,togetherw ithmathematical,statistical, ' , $134, ScienceFoundationprovide$104, $30, (MINe-11)Allowancefortransportation,addi tionalwiring,sitepreparation,andtaxesTot alBudgetRecapitulation$77,48718,33534,41 93,759$134,000 Thisproposalrequestsfundsforloadingequip ment,dataacquisition, ,subassem-blages, ,possiblewiththeproposedequipment, ,whichwillbepossiblethroughuseoftheneweq uipment.