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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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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