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CIVIL STRUCTURE MONITORINGIVIL STRUCTURE MONITORING
Monitoring is essential componentonitoring is essential componentof successful Road and Railways
Construction and Operation
Sisgeo S.r.l. - Masate Mi - Italy
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Optical targetsIPI inclinometers
Piezometers
Settlement gauges
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Pore Pressure
Piezometer
PPP
Vertical
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Profiler
Settlement gauge IPI inclinometers
A A AOptical target
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7/47RETAINING WALLS
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INSTRUMENTATION
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Pore pressure and earth pressure
Total presssure cell
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Settlement and displacement
Optical target
IPI Inclinometer
Inclinometer tube
Extensometer
Load cell
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INCLINOMETER TUBE EQUIPPED WITH 8 IPI SENSORS FORAUTOMATIC MONITORING
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PREPARATION OF ELECTRIC LOAD CELLSBEFORE INSTALLING
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Instrumented retaining wall
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ROAD STABLITY SURVEY BY INCLINOMETER SYSTEM
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TUNNEL MONITORING
M i i i i lonitoring is essential componentof successful tunnel operation
Ch k i h dheck excavation methodSurvey rock/soil stability
Assure tunnel safety
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ROAD TUNNEL ENTRANCE
Anchor load cell
Borehole 3-point extensometerorehole 3 point extensometer
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TUNNEL MONITORING
Pair of Strain Gau e ressure e
Borehole Extensometer
C.C.
Typical Monitoring SectionC.C.
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TUNNEL MONITORING
Typical Monitoring Sectionp g
3-point borehole
extensometer
Pressure cellsConvergence bolts
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TUNNEL MONITORING
Steel Liningteel LiningStress Monitoring
Lower Part of Steel-lininginstrumented with Load Cell
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TUNNEL AUTOMATIC MONITORING
ADK-10 Station in the tunnel Control Room with PC
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SURFACE MONITORING
T l iunnel constructionjeopardizes the
b ildi / t t f tuilding/structure safety
Instrumentationllllows tomonitor
t t hi htructures whichinterfere with
tunnelunnelconstruction
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SURFACE MONITORING
Building Surveyd iuringTunnel Excavation
DSMDifferential Settlementifferential Settlement
Monitoring System
installed in Madrid Porta del Sol)
“Porta del Sol” Palace
DSMlevel gauge
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Biaxial Tilt Meter
Automatic 3utomatic 3 D monitoring by DSM Level Gaugemonitoring by DSM Level GaugeAutomatic 3utomatic 3-D monitoring by DSM Level Gauge,monitoring by DSM Level Gauge,Tilt Meter Clinometer) and Optical Targetilt Meter Clinometer) and Optical Target
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DSM SYSTEM - HYDRAULIC SETTLEMENT GAUGE
BRIDGE MONITORING
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BRIDGE MONITORING
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STRAIN GAUGES INSTALLATION ON A BRIDGE DECK
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VIBRATING WIRE STRAIN METERSEMBEDDED IN CONCRETE
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-
. .
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TYPE OF INSTRUMENT NUMBER ID
STRAIN GAUGES 2
STRAIN GAUGES + TERMISTORE(ON THE BOTH SIDE) 22
CLINOMETERS (MONOAXIAL) 6
ANCHOR LOAD CELLS 4
TEMPERATURE AND RELATIVEHUMIDITY PROBE 2
METEOROLOGICAL STATION(ANEMOMETER AND WINDDIRECTION ; RAIN GAUGE ; 1
RELATIVE HUMIDITY PROBE ;TEMPERATURE )
TOTAL 42
M f S i
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Measurement of Strains
C.U.
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e s e
, SG 9,10SG 5,6
SG 3,4 SG 7,8 ,
Strain-meters
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Ran e: 0 – 1 MN
Accuracy: 0.5 % f.s.
Signal output: 4-20 mA
M t f Di l t
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Measurement of Dis lacements
C.U.
Joint-meters
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engaz s e
Joint meter # 1
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ELECTRIC JOINT-METER
BRIDGE MONITORING
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3 D Crack/Joint Meter Station-D Crack/Joint-Meter Station
A t ti St ti f 3 Dutomatic Station for 3-DMonitoring equipped with three
Electrical Joint-Meters
Z-axis
J
Y-axis
Rotations
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Rotations
C.U.
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Bengazi side
C 2C 3
C 1
Tiltmeters
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Installation of biaxialTILTMETER # C1
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Sisgeo’s Technician duringisgeo’s Technician duringisgeo s Technician duringisgeo s Technician duringADKDK-10 System Wiring0 System Wiring
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Network
24V powersupply module
12V Battery
32 channels VW Excitation
MuLTIPLEXER mo u e
Power supply 16 channelsMULTIPLEXER
SISGEO ADKISGEO ADK-10 COMPONENTS0 COMPONENTS
WADI KUF BRIDGE – LYBIA
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ADK-10 Data Acquisition System
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METEOROLOGICAL STATION WITHBAROMETER AND WIND GAUGES