Dam Safety Monitoring Inhydro

8/8/2019 Dam Safety Monitoring Inhydro

1/104

DAM SAFETY MONITORING INDAM SAFETY MONITORING INHYDROHYDRO


2/104

CRACK& JOINT METERSCRACK& JOINT METERS


3/104

JOINT METERJOINT METER

ApplicationApplication

Jointmeter is designed for use acrossJointmeter is designed for use acrossconstruction joint such as those betweenconstruction joint such as those betweenadjacent blocks in a concrete dam.adjacent blocks in a concrete dam.

It is normally embedded across the joint toIt is normally embedded across the joint tomonitor the expansion or contraction of themonitor the expansion or contraction of the

joint.joint. The use of internal universal joint allows for aThe use of internal universal joint allows for a

degree of shearing motion.degree of shearing motion.


4/104

(A )JOINT METER(A )JOINT METER


5/104

( B )( B )STRAND METERSTRAND METER


6/104

STRAND METERSTRAND METER

APPLICATION :APPLICATION :--

Strandmeter is designed to measure strains inStrandmeter is designed to measure strains intendons and steel cable.tendons and steel cable.

Two clamps at each end of the strandmeterTwo clamps at each end of the strandmeter

hold it firmly on to the cable .hold it firmly on to the cable . Various size clamps are availableVarious size clamps are available


7/104

CRACK& JOINT METERCRACK& JOINT METER

APPLICATION:APPLICATION:--

Crackmeteris intendedtomeasuremovementCrackmeteris intendedtomeasuremovementacross surfacecrackand joints.across surfacecrackand joints.

Itis installed by grouting ,orbondingtwoItis installed by grouting ,orbondingtwo

threadedanchors (with balljoint) on oppositethreadedanchors (with balljoint) on oppositesides ofthecrackandthan attachingtheendssides ofthecrackandthan attachingtheends

ofthe gagetotheanchors.ofthe gagetotheanchors.


8/104

(C) CRACK&JOINT METER(C) CRACK&JOINT METER


9/104

MINIATURECRACKMETERMINIATURECRACKMETER


MiniaturecrackmeterintendedtomeasureMiniaturecrackmeterintendedtomeasuredisplacements across surfacecrackanddisplacements across surfacecrackandjoints.joints.

Ithas been specially designedforapplicationsIthas been specially designedforapplications

whereaccess is limitedwheremonitoringwhereaccess is limitedwheremonitoringinstrumentation is to beas unobtrusiveasinstrumentation is to beas unobtrusiveaspossible.possible.


10/104

(D ) MINIATURECRACKMETER(D ) MINIATURECRACKMETER


11/104

CONVERGENCE METERCONVERGENCE METER


CONVERGENCE METER IS USED TO MONITORCONVERGENCE METER IS USED TO MONITORCLSURES IN UNDERGROUND EXCAVATION ,CLSURES IN UNDERGROUND EXCAVATION ,

TUNNELS , ETC.TUNNELS , ETC.

IT ISCOMPRISED OF A SPRING TENSIONEDIT ISCOMPRISED OF A SPRING TENSIONEDTRANSDUCER, TURNBUCKLE, CONNECTING ROD (TRANSDUCER, TURNBUCKLE, CONNECTING ROD (

STAINLESS STEEL,FIBERGLASS OR GRAPHITE) RODSTAINLESS STEEL,FIBERGLASS OR GRAPHITE) ROD

CLAMP, AND A PAIR OF STAINLESS STEEL EYECLAMP, AND A PAIR OF STAINLESS STEEL EYEBOLTS.BOLTS.

TRANSDUCER LENGTH:TRANSDUCER LENGTH:-- 360 TO 1260 MM360 TO 1260 MM


12/104

(E ) CONVERGENCE METER(E ) CONVERGENCE METER


13/104

LONG RANG DISPLACEMENTLONG RANG DISPLACEMENT

METERMETER APPLICATION:APPLICATION:--

Is ideally suitedforthemeasurementoflargeIs ideally suitedforthemeasurementoflargedisplacements associatedwithlandslides.displacements associatedwithlandslides.

Can also be usedformonitoringtheCan also be usedformonitoringthemovementofboulder, snowetc, on unstablemovementofboulder, snowetc, on unstable

slopes.slopes.


14/104

(F) LONG RANG DISPLACEMENT(F) LONG RANG DISPLACEMENT

METERMETER


15/104

SOIL STRAINMETER WITHSOIL STRAINMETER WITH

FLANGED ENDSFLANGED ENDS APPLICATION:APPLICATION:--

Is designedtomeasurelongitudinaldeformation inIs designedtomeasurelongitudinaldeformation in

damandembankments.damandembankments.

Itcan also be groutedorheld in place by hydraulicItcan also be groutedorheld in place by hydraulicanchors tomeasure deformations in boreholes (anchors tomeasure deformations in boreholes (

overthe gagelength ).overthe gagelength ).

Gagelengthfrom 0.5 to 100 metersGagelengthfrom 0.5 to 100 meters ..


16/104

(G) SOIL STRAINMETER WITH(G) SOIL STRAINMETER WITH

FLANGED ENDSFLANGED ENDS


17/104

DISPLACEMENT TRANSDUCERDISPLACEMENT TRANSDUCER


Is provides remotereadoutcapabilityforboreholeIs provides remotereadoutcapabilityforborehole

extensometers.extensometers. They areparticularly usefulwhereothertypes ofThey areparticularly usefulwhereothertypes ofvibratingwire sensors are usedand /orforvibratingwire sensors are usedand /orforinstallations wherelongruns arerequired.installations wherelongruns arerequired.

Can also be installed between conjunction withtheCan also be installed between conjunction withtherequisitelengthconnectingrod, toprovidearequisitelengthconnectingrod, toprovideapermanent, in place incrementalextensometer.permanent, in place incrementalextensometer.


18/104

(H ) DISPLACEMENT(H ) DISPLACEMENT

TRANSDUCERTRANSDUCER


19/104

EXTENSOMETERSEXTENSOMETERS


20/104

FlexiblerodextensometerFlexiblerodextensometer

Application:Application:--

Flexibleextensometeruses continuousFlexibleextensometeruses continuous--specifiedlengths offiberglass rods (in sidespecifiedlengths offiberglass rods (in side

protectivetubing), cuttoarequirement.protectivetubing), cuttoarequirement.

Theextensometeris lightweight, making itTheextensometeris lightweight, making iteasiertohandleforinstallation .easiertohandleforinstallation .

Maximumlength :Maximumlength :-- 100 meters.100 meters.


21/104

(A) FLEXIBLE ROD(A) FLEXIBLE ROD

EXTENSOMETEREXTENSOMETER


22/104


23/104

(B) RETRIEVABLE(B) RETRIEVABLE

EXTENSOMETEREXTENSOMETER


24/104

DIFFERENT TYPE OF ANCHORSDIFFERENT TYPE OF ANCHORS


A)A) Borros typehydraulicanchor:Borros typehydraulicanchor:-- Foruse in softForuse in soft

soils andclays, especially in augered boreholes.soils andclays, especially in augered boreholes.

B)B) Groutableanchor:Groutableanchor:-- ThepreferredanchorforuseThepreferredanchorforuse

in downwardin downward--directed boreholes. Thepreassembleddirected boreholes. Thepreassembledextensometeris installed in the boreholeand is thenextensometeris installed in the boreholeand is then

filledwithcementgrout.filledwithcementgrout.


25/104

Cont.Cont.

C)C) Hydraulicanchor:Hydraulicanchor:-- Foruse in roughForuse in roughboreholes in rockand softground,especiallyboreholes in rockand softground,especiallyifdilations andcontractions ofthe boreholeifdilations andcontractions ofthe borehole

areanticipated .areanticipated .

D)D) SnapSnap--ringanchor:ringanchor:-- Foruse in hardorForuse in hardor

competentrockwhere smooth uniformcompetentrockwhere smooth uniformboreholes can be drilled. The simplicity oftheboreholes can be drilled. The simplicity ofthedesign allows forquickandeasy installation.design allows forquickandeasy installation.


26/104

(C) DIFFERENT TYPES OF(C) DIFFERENT TYPES OF

ANCHORSANCHORS


27/104

HEAVE/SETTLEMENT POINTSHEAVE/SETTLEMENT POINTS


Is tomeasureverticalmovements inIs tomeasureverticalmovements infoundation soils duringand subsequenttofoundation soils duringand subsequenttoconstruction.construction.

Theheave/settlementpointconsists ofathreeTheheave/settlementpointconsists ofathreepronganchor, inch standard innerpipe,pronganchor, inch standard innerpipe,anda 1inch standardouterpipe.anda 1inch standardouterpipe.


28/104

(D) HEAVE/SETTLEMENT POINTS(D) HEAVE/SETTLEMENT POINTS


29/104

TYPES OF MEASUREMENTSTYPES OF MEASUREMENTS

A) Digitaldepthmicrometer:A) Digitaldepthmicrometer:-- ReadoutofReadoutof

boreholeextensometers is madeon a digitalboreholeextensometers is madeon a digital

counteraftermanualadjustmentofthecounteraftermanualadjustmentofthe

thimble.thimble.

B) Dailindicator:B) Dailindicator:-- UsedforquickandeasyUsedforquickandeasy

readoutofboreholeextensometers. Accuracyreadoutofboreholeextensometers. Accuracy

is 0.01 mm, standardrange is 50 mm.is 0.01 mm, standardrange is 50 mm.


30/104

Cont.Cont.

C) Linearpotentiometer:C) Linearpotentiometer:-- Utilizes a sturdy 6.5 mmUtilizes a sturdy 6.5 mm

diameterrodwhichprotrudesfrom bothends as thediameterrodwhichprotrudesfrom bothends as the

actuating shaft.This also useformechanicalcheckactuating shaft.This also useformechanicalcheck

on thereadings.on thereadings.

D) VW DisplacementTransducer:D) VW DisplacementTransducer:-- Is providesIs provides

remotereadoutforextensometers.They areremotereadoutforextensometers.They are

particularly usefulwhereothertypes ofVW sensorsparticularly usefulwhereothertypes ofVW sensors

are usedandwherelongcableruns arerequired.are usedandwherelongcableruns arerequired.


31/104

(E) TYPES OF MEASUREMENTS(E) TYPES OF MEASUREMENTS


32/104

TAPE EXTENSOMETERTAPE EXTENSOMETER


Is designedtomeasure smallchanges in the distanceIs designedtomeasure smallchanges in the distancebetween oppositewalls orbetween theroofandfloorofbetween oppositewalls orbetween theroofandfloorofexcavations, tunnels, ormineopenings.excavations, tunnels, ormineopenings.

Itcan also usedtomonitordeformation in structures andItcan also usedtomonitordeformation in structures andsupports andtomeasuremovements ofunstable slopes.supports andtomeasuremovements ofunstable slopes.

Readoutis providedelectronically viaafrontpanelLCD.Readoutis providedelectronically viaafrontpanelLCD.


33/104


34/104

MAGNETICEXTENSOMETERMAGNETICEXTENSOMETER


Is designedtomeasure settlementorheaveofsoftIs designedtomeasure settlementorheaveofsoft

ground underthe influenceofloadingorunloadingground underthe influenceofloadingorunloadingduetotheconstruction ofembankments ,fills,duetotheconstruction ofembankments ,fills,buildings,foundations, and structures.buildings,foundations, and structures.

Aprobe is lowered insideatelescoping guidetubetoAprobe is lowered insideatelescoping guidetubeto

detectandmeasuretheposition ofmagneticdetectandmeasuretheposition ofmagneticanchors locatedaroundthe guidetubeatvariousanchors locatedaroundthe guidetubeatvariousdepths alongthe boreholeorwith in thefill.depths alongthe boreholeorwith in thefill.


35/104

(G) MAGNETICEXTENSOMETER(G) MAGNETICEXTENSOMETER


36/104

INCLINOMETERSINCLINOMETERS


37/104

INCLINOMETER PROBEINCLINOMETER PROBE


Is used in conjunction with inclinometercasingforthemeasurementofIs used in conjunction with inclinometercasingforthemeasurementoflateralearthmovements whichmightoccurin unstable slopes, landlateralearthmovements whichmightoccurin unstable slopes, landslides, damandroadway embankments, andlandfills.slides, damandroadway embankments, andlandfills.

They arealso usedtomeasure deflections in thewalls ofexcavation,They arealso usedtomeasure deflections in thewalls ofexcavation,shafts, tunnels, and in caissons ,piles and sheetpiling.shafts, tunnels, and in caissons ,piles and sheetpiling.

Theprobeconsists ofawaterproofstainless steelhousingcontainingtwoTheprobeconsists ofawaterproofstainless steelhousingcontainingtwoforceforce--balanced servobalanced servo--accelerometers withan outputoffivevolts at30accelerometers withan outputoffivevolts at30

degree.degree.


38/104

INCLINOMETER PROBEINCLINOMETER PROBE


39/104

SPIRAL INDICATORSPIRAL INDICATOR


Is uses aflexIs uses aflex--gatemagnetometertomeasureanygatemagnetometertomeasureany

spiralingofinclinometercasing.spiralingofinclinometercasing.

The 6005 is lowered intothecasingon theendofThe 6005 is lowered intothecasingon theendofstandard inclinometercableconnectedtothe GKstandard inclinometercableconnectedtothe GK--603 inclinometerreadoutbox.603 inclinometerreadoutbox.

The instrumentprovides a directreadingoftheThe instrumentprovides a directreadingofthecasing grooves atany pointalongthecasingcasing grooves atany pointalongthecasing..


40/104


41/104

HORIZONTAL INCLINOMETERHORIZONTAL INCLINOMETER


Horizontalinclinometeris measures differentialHorizontalinclinometeris measures differential

settlementalongthelengthofthecasing.settlementalongthelengthofthecasing.

Standardrange ;Standardrange ;-- ++ -- 53 DEGREE.53 DEGREE.

Casing size I.D 61 TO 89 MM.Casing size I.D 61 TO 89 MM. Temperaturerange :Temperaturerange :-- 0 degreeto + 50 degree0 degreeto + 50 degree..


42/104


43/104

INCLINOMETER DATAINCLINOMETER DATA


44/104

BOREHOLE PRESSURECELLSBOREHOLE PRESSURECELLSMEASUREMENTSMEASUREMENTS


45/104

BOREHOLE PRESSURECELLBOREHOLE PRESSURECELL


Is usedtomeasurerockstress changes and isIs usedtomeasurerockstress changes and isdesignedtothe grouted insidea borehole.designedtothe grouted insidea borehole.

The BPCis manufacturedfromtwo steelplatesThe BPCis manufacturedfromtwo steelplatesweledtogetheraroundtheirperiphery.weledtogetheraroundtheirperiphery.

Theplates are deformed intoadog boneTheplates are deformed intoadog boneconfiguration sothatthey can beexpandedeasilyconfiguration sothatthey can beexpandedeasilywithoutdamagetothewelds.withoutdamagetothewelds.


46/104

Cont.Cont.

Hydraulicoilfills the space between thetwoHydraulicoilfills the space between thetwoplates andhighplates andhigh--pressure stainless steeltubepressure stainless steeltube

connects theplates toa stainless steelconnects theplates toa stainless steel

pressure gageand/orapressuretransducer.pressure gageand/orapressuretransducer.

Sizeofborehole:Sizeofborehole:-- 57mm.57mm.


47/104

A. BOREHOLE PRESSURECELLA. BOREHOLE PRESSURECELL


48/104

VIBRATING WIRE BOREHOLEVIBRATING WIRE BOREHOLE

STRESSMETERSSTRESSMETERS


Are designedtomeasure stress changes in rockandAre designedtomeasure stress changes in rockand

can be installed in boreholes upto 100 feetdeep.can be installed in boreholes upto 100 feetdeep.

The stressmeterconsists ofahigh strength steelThe stressmeterconsists ofahigh strength steel

provingringwedgedtightly across one diameterprovingringwedgedtightly across one diameterinsidea boreholeandavibratingwiretensionedinsidea boreholeandavibratingwiretensioned

across theotherdiameterinsidethe stressmeter.across theotherdiameterinsidethe stressmeter.


49/104

Cont.Cont.

Changes in rockstress causearelatedChanges in rockstress causearelatedchange in theresonantfrequency ofvibrationchange in theresonantfrequency ofvibration

ofthetensionedwireprovidingoutputwhichofthetensionedwireprovidingoutputwhich

is read by thereadoutbox.is read by thereadoutbox.


50/104

B. VIBRATING WIRE BOREHOLEB. VIBRATING WIRE BOREHOLE

STRESSMETERSTRESSMETER


51/104

VIBRATING WIRE BIAXIALVIBRATING WIRE BIAXIAL

STRESSMETERSTRESSMETER APPLICATION:APPLICATION:--

Is designedtomeasurecompressive stress changes in rock,Is designedtomeasurecompressive stress changes in rock,salt, concreteorice.salt, concreteorice.

Threeorsixvibratingwire sensors orientedat60 degreeThreeorsixvibratingwire sensors orientedat60 degreeinternals allowtheprincipalstress changes to bemeasuredinternals allowtheprincipalstress changes to bemeasuredin theplaneperpendiculartothe stressmeteraxis.in theplaneperpendiculartothe stressmeteraxis.

The stressmeterconsists ofahigh strength steelcylinderThe stressmeterconsists ofahigh strength steelcylinderwhich is grouted in toa BX 60mm size borehole.which is grouted in toa BX 60mm size borehole.


52/104

C. VIBRATING WIRE BIAXIALC. VIBRATING WIRE BIAXIAL

STRESSMETERSTRESSMETER


53/104

VIBRATING WIRE SISCVIBRATING WIRE SISC

BOREHOLE STRESSMETERBOREHOLE STRESSMETER APPLICATION:APPLICATION:--

The SISCis preThe SISCis pre--loaded by wedging itintoalargeloaded by wedging itintoalargesize diamond drillhole usingan integralscrewsize diamond drillhole usingan integralscrewmechanismorhydraulicpiston andcan be settomechanismorhydraulicpiston andcan be settomeasure bothtensileand/orcompression stressmeasure bothtensileand/orcompression stresschanges.changes.

Ithas been used successfully in 152 mm diameterIthas been used successfully in 152 mm diameterovercoringholes tomeasure Aggregate/Alkaliovercoringholes tomeasure Aggregate/AlkaliReactions in concrete damsReactions in concrete dams..


54/104

C. VIBRATING WIRE SISCC. VIBRATING WIRE SISC

BOREHOLE STRESSMETERBOREHOLE STRESSMETER


55/104


56/104

D. CONCRETE STRESSMETERD. CONCRETE STRESSMETER


57/104

BOREHOLE DEFORMATIONBOREHOLE DEFORMATION

GAGEGAGE


Usedtomeasure in situ rockstresses usingUsedtomeasure in situ rockstresses usingtheovercoringtechnique in rockthatistheovercoringtechnique in rockthatiscompetentandelastic.competentandelastic.

Itis also usefulfordeterminingthe inherentItis also usefulfordeterminingthe inherentstability ofpitslopes, foundation excavations,stability ofpitslopes, foundation excavations,minepillars andabutments.minepillars andabutments.


58/104

E. BOREHOLE DEFORMATIONE. BOREHOLE DEFORMATION

GAGEGAGE


59/104

SETTLEMENT SYSTEMSETTLEMENT SYSTEM


60/104

SETTLEMENT SYSTEMSETTLEMENT SYSTEM


Is designedfortheremotemeasurementofsurfaceorIs designedfortheremotemeasurementofsurfaceorsubsurface settlementin fills, surchanges, dams,subsurface settlementin fills, surchanges, dams,

embankments, etc.embankments, etc.

A borehole is drilledwhichallows apressuretransducertoA borehole is drilledwhichallows apressuretransducertobeanchoredto solid ground belowtheareaofsettlement.beanchoredto solid ground belowtheareaofsettlement.

Afluidfilledtubeextends upwardconnectingthetransducerAfluidfilledtubeextends upwardconnectingthetransducertoareservoirwhich is located in themoving strataorfill.toareservoirwhich is located in themoving strataorfill.


61/104

Cont.Cont.

Themeasurementoffluidpress indicates theThemeasurementoffluidpress indicates the

elevation difference between the sensorandtheelevation difference between the sensorandthe

reservoir.reservoir.

This design eliminates the needforlongliquidfilledThis design eliminates the needforlongliquidfilledtubes.tubes.

Standard Ranges :Standard Ranges :-- 7,17,35 meters.7,17,35 meters.

Temperature Ranges :Temperature Ranges :-- _20 degreeto + 80 degree._20 degreeto + 80 degree.

LengthLength diameter:diameter:-- 305305 60 mm(reservoir), 19160 mm(reservoir), 191

35 mm(sensor)35 mm(sensor)


62/104

A .SETTLEMENT SYSTEM.A .SETTLEMENT SYSTEM.

PRESSURE TRANSDUCERPRESSURE TRANSDUCER


63/104

PRESSURE TRANSDUCERPRESSURE TRANSDUCER

ATTACHED TO A SETTLEMENTATTACHED TO A SETTLEMENT

PLATEPLATE APPLICATION:APPLICATION:--

The settlementplatelocated in the settling ground.The settlementplatelocated in the settling ground.

The sensoris connecting , viatwofluidfilledtubes extendingThe sensoris connecting , viatwofluidfilledtubes extendinglaterally, toareservoirlocatedon firm groundawayfromthelaterally, toareservoirlocatedon firm groundawayfromtheareaofanticipatedmovement.areaofanticipatedmovement.

Fluidpressurewithin thetubes is sensed by thetransducerFluidpressurewithin thetubes is sensed by thetransducerwhichprovides ameasureoftheelevation difference betweenwhichprovides ameasureoftheelevation difference betweenthe sensorandthereservoir.the sensorandthereservoir.

Thetubes areflushThetubes areflush--able.able.


64/104

Cont.Cont.

Standard Ranges:Standard Ranges:-- 7, 17meter.7, 17meter. Temperature Ranges :Temperature Ranges :-- --20 degreeto +8020 degreeto +80

degree.degree.

LengthLength diameter:diameter:-- 152152 51 mm51 mm(reservoir), 191(reservoir), 191 35 mm(sensor)35 mm(sensor)

B PRESSURE TRANSDUCERB PRESSURE TRANSDUCER


65/104

B. PRESSURE TRANSDUCERB. PRESSURE TRANSDUCER

ATTACHED TO A SETTLEMENTATTACHED TO A SETTLEMENT

PLATEPLATE


66/104


67/104

C. SETTLEMENT PROFILERC. SETTLEMENT PROFILER


68/104

HIGH SENSITIVITYHIGH SENSITIVITY

SETTLEMENT SYSTEMSETTLEMENT SYSTEM APPLICATION:APPLICATION:--

Consists ofa series ofvessels containingliquidlevelConsists ofa series ofvessels containingliquidlevelsensors interconnected by aliquidfilledtube.sensors interconnected by aliquidfilledtube.

A referencevesselis positionedata stable benchA referencevesselis positionedata stable benchmarklocation withadditionalvesselspositionedatmarklocation withadditionalvesselspositionedatdifferentlocation atapproximately the samedifferentlocation atapproximately the sameelevation.elevation.

The differentialsettlementorheave between anyThe differentialsettlementorheave between anyvesselandthereferencevesselresults in anvesselandthereferencevesselresults in anapparentriseorfalloftheliquidlevelin thatvessel.apparentriseorfalloftheliquidlevelin thatvessel.


69/104


70/104

PRECISION SETTLEMENTPRECISION SETTLEMENT

MONITORING SYSTEMMONITORING SYSTEM


Systemwas designedtomeasure differentialSystemwas designedtomeasure differential

settlements withavery high degreeofsettlements withavery high degreeof

accuracy andresolution, making itsuitableaccuracy andresolution, making itsuitable

forapplications ofahighly criticalnatureforapplications ofahighly criticalnature

wheretheexpected settlementare small.wheretheexpected settlementare small.


71/104

E. PRECISION SETTLEMENTE. PRECISION SETTLEMENT

MONITORING SYSTEMMONITORING SYSTEM


72/104

STRAIN GAGESTRAIN GAGE

MEASUREMENTMEASUREMENT


73/104

A. STRAIN GAGEA. STRAIN GAGE


74/104

B. FIBER OPTICSTARIN GAGEB. FIBER OPTICSTARIN GAGE

C DYNAMIC STARINC DYNAMIC STARIN


75/104

C. DYNAMICSTARINC. DYNAMICSTARIN



76/104

D. STRAIN GAGED. STRAIN GAGE


77/104

E. MODIFIED STRAIN GAGEE. MODIFIED STRAIN GAGE


78/104

F. STRAIN GAGESF. STRAIN GAGES

G HIGH TEMPERATUREG HIGH TEMPERATURE


79/104

G. HIGH TEMPERATUREG. HIGH TEMPERATURE

EMBEDMENT STRAIN GAGEEMBEDMENT STRAIN GAGE


80/104

H. REBAR STRAINMETERH. REBAR STRAINMETER

I FIBER OPTIC REBARI FIBER OPTIC REBAR


81/104

I. FIBER OPTIC REBARI. FIBER OPTIC REBAR

STRAINMETERSTRAINMETER


82/104

EARTH PRESSURECELLSEARTH PRESSURECELLS


83/104

A. EARTH PRESSURECELLA. EARTH PRESSURECELL


84/104

B. ANOTHER PRESSURECELLB. ANOTHER PRESSURECELL


85/104

C. JACKOUT PRESSURECELLC. JACKOUT PRESSURECELL

D JACKOUT PRESSURE CELLD JACKOUT PRESSURE CELL


86/104

D. JACKOUT PRESSURECELLD. JACKOUT PRESSURECELL

HYDRAULICHYDRAULIC


87/104

E. INTERGRAL PIEZOMETERE. INTERGRAL PIEZOMETER

F NATM STYLE SHOTCRETEF NATM STYLE SHOTCRETE


88/104

F. NATM STYLE SHOTCRETEF. NATM STYLE SHOTCRETE

STRESSCELLSSTRESSCELLS


89/104

G. LOAD CELLG. LOAD CELL

H VIBRATING WIRE STRAINH VIBRATING WIRE STRAIN


90/104

H. VIBRATING WIRE STRAINH. VIBRATING WIRE STRAIN

GAGEGAGE

I VIBRATING WIREI VIBRATING WIRE


91/104

I. VIBRATING WIREI. VIBRATING WIRE



92/104

DATALOGGERSDATALOGGERS

A SINGLE CHANNELA SINGLE CHANNEL


93/104

A. SINGLECHANNELA. SINGLECHANNEL

DATALOGGERDATALOGGER

B MULTI CHANNELB MULTI CHANNEL


94/104

B. MULTICHANNELB. MULTICHANNEL

DATALOGGERDATALOGGER


95/104

C. 16 CHANNEL DATA LOGGERC. 16 CHANNEL DATA LOGGER


96/104

D. DATA COLLECTIOND. DATA COLLECTION


97/104

E. MEASUREMENT & CONTROLE. MEASUREMENT & CONTROL

F INTERFACE TO READF INTERFACE TO READ


98/104

F. INTERFACE TO READF. INTERFACE TO READ

VIBRATING WIRE SENSORVIBRATING WIRE SENSOR


99/104

G. MULTIPLEXERG. MULTIPLEXER


100/104

H. DATA ACQUISITIONH. DATA ACQUISITION


101/104

I. DATA STORAGEI. DATA STORAGE


102/104


103/104


104/104

Dam Safety Monitoring Inhydro

Documents

Transcript of Dam Safety Monitoring Inhydro