111214 ineco justo_cp_monitoreo_cancunshmii5-eng_v1

STRUCTURAL HEALTH MONITO

PAPERSTRUCTURAL HEALTH MONITO

HIGH SPEED RAILWAY VIADU

1

DIRECTORATE FOR ARCHITECTURE, STRUCTURES AND INSTRUMENTATION

DIRECTORATE GENERAL FOR TRANSPORT

INECO. DIRECCIÓN DE ARQUITECTURA, ESTRUCTURAS E IN

SHMII-5. International Conference on SHM of Intelligent

1 CONSULTING AND ENGINEERING

Cancún, 14th December 2011

ORING OF

JUSTO CARRETERO PÉREZ

ORING OF UCTS

JUSTO CARRETERO PÉREZ

CIVIL ENGINEERHEAD OF INSTRUMENTATION ANDHEAD OF INSTRUMENTATION AND

TESTS DIVISION

STRUMENTACIÓN SHM OF HIGH SPEED RAILWAY VIADUCT

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INDEX

1. INTRODUCTION.2. DEFINITION OF MONITOR2. DEFINITION OF MONITOR3. DEVELOPED ACTIVITIES4 MAGNITUDES TO BE ME4. MAGNITUDES TO BE ME5. MONITORING CHALLENG

SPEED VIADUCTS:- ARROYO DE LAS PIEDR- ARROYO DEL VALLE (L



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RINGRING.S.

ASURED AND FREQUENCYASURED AND FREQUENCYGE – OUTSTANDING HIGH

RAS (HIGHEST)LONGEST)


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CURRENT STATE OF RAILWAY V

1. INTRODUCTION

- LOADS THAT ARE FAVORA

MAXIMUM SPEED (IMPACT REMAXIMUM SPEED (IMPACT - RE

- NEW DESIGN CHALLENGE

HEIGHTS FOR LARGER RAILW

STRAIN GAUGES, ETC).

- MAINTENANCE PERSPECTIVE

SUITABILITY OF DESIGN LOADSSUITABILITY OF DESIGN LOADS

THEIR INFLUENCE ON DURA

NECESSARY TO CHECK THE TINECESSARY TO CHECK THE TIDYNAMIC STRENGTH CHARACT



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VIADUCTS IN HIGH-SPEED LINES:

ABLE FOR DYNAMIC EFFECTS AT

ESONANCE FATIGUE)ESONANCE - FATIGUE).

ES, WITH EXTENDED SPANS AND

WAY VIADUCTS (EXCESSIVE MOTION,

E. IT IS NECESSARY TO CHECK THE

S AGAINST FATIGUE PROBLEMS ANDS AGAINST FATIGUE PROBLEMS AND

ABILITY AND AGEING. IT’S ALSO

IME EVOLUTION OF STATIC AND/ORIME EVOLUTION OF STATIC AND/OR

TERISTICS.


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1 INTRODUCTION (CONTINUED)1. INTRODUCTION (CONTINUED)

(OUTSTANDING ITEMS IN VIADU(

- EXISTENCE OF NATIONAL

STANDARDS THAT ARENSTANDARDS THAT AREN

EXPERIMENTAL TESTS.

- REQUEST TO COMPARE ‘

‘PRACTISE AND REAL BEHAVIO

ENHANCE UNDERSTANDING

DESIGNS

- IT IS GENERALLY CONSIDERE

THE REAL BEHAVIOUR OF STOU O S



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UCTS ON HIGH-SPEED LINES))

OR INTERNATIONAL COMPULSORY

N’T SUPPORTED BY ENOUGHN T SUPPORTED BY ENOUGH

‘THEORY AND REGULATION’ WITH

OUR’, THE RESULT OF WHICH WOULD

AND OPTIMISATION OF FUTURE

ED TO BE “NECESSARY” TO KNOW

TRUCTURESUC U S


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WHERE IS THAT NEED LEADING

- IMPLEMENTATION OF A SYS

AND/OR FUNCTIONAL CHARAC

BEHAVIOUR OF STRUCTURES.OU O S UC U S

- MEASUREMENT OF RELATEDMEASUREMENT OF RELATED

THEIR EVOLUTION THROUGH T

- NEW IDEA OF “MONITORINGFIELD TO RAILWAY AUSCULTFIELD TO RAILWAY AUSCULT



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G US?

STEM SURVEILLING ALL STRENGTH

CTERISTICS INVOLVED IN THE REAL

D VARIABLES IN ORDER TO MONITORD VARIABLES IN ORDER TO MONITOR

TIME

G” VIADUCTS AS AN ADDITIONALTATIONTATION


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2 DEFINITION OF MONITORI2. DEFINITION OF MONITORI

“MONITORING” IMPLIES (Con

-MEASURING PHYSICAL MA

MONITORING IMPLIES (Con

-USING SUITABLE ELECTRON-CONTINUOUS RECORDI(COMPATIBLE WITH SPECIF

- -VISUALISATION, SURVEILL-ACTION PROTOCOL

INITIALLY IT IS ADVISABLETHOROUGHLY IN THE OFFIC



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INGING

ntinuous auscultation):

AGNITUDES

ntinuous auscultation):

NIC DEVICESNG IN TERMS OF TIMEFIC TEST CAMPAIGNS -PC-).

LANCE, … ANALYSIS.

TO: OBSERVE, RECORD, ANALYSECE AND “THEN” DECIDE.


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22. DEFINITION OF MONITORING (CON

“ACTIVE CONTROL” IMPLIE

- GO BEYOND MONITORING

ACTIVE CONTROL IMPLIE

- REAL TIME ANALYSIS- TAKE ACTION AND EVEN I- PREVIOUS KNOWLEDGE

“SAFETY CONTROL” IMPLIES“SAFETY CONTROL” IMPLIES

- A DIFFICULT INTERMEDIA- MINIMUM KNOWLEDGE T- A COMPULSORY PROTOCA COMPULSORY PROTOC



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NTINUED)

ES:ES:

INFLUENCE RESULTS

SS:

ATE CASE.

TO SET LIMITSCOL ON ALARM TREATMENT.COL ON ALARM TREATMENT.


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“ESSENTIAL QUESTIONS FORMONITORING”:MONITORING :

- DURATION OF (BASIC) MO- WHERE AND WHAT TO ME- WITH WHICH FREQUENCY- WHAT DO WE WANT TO SA- HOW DO WE WANT TO SE

THE ANSWER TO THESE QUE

TYPE OF SENSOR AND COAND CONTROL SOFTWARAND COMMUNICATION SYS



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NTINUED)

R

ONITORINGEASURE?Y (Static/Dynamic)?AVE (DATA VOLUME)?

EE RESULTS?

ESTIONS INDICATES HOW:

NNECTION, TYPE OF RECORDINGE, LOCAL NETWORK TOPOLOGYSTEM, ETC.


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“KEY POINTS”:

(

KEY POINTS :

TALKING TO THE RIGH- TALKING TO THE RIGHKNOWS WHAT WE AR

WRITING THE IN- WRITING THE IN(SCHEME, LOCATION,SENSORS )SENSORS, ...)- DEFINING ACTION PRLIMITS ARE EXCEEDELIMITS ARE EXCEEDE- AVOID INSTRUMENTANALYSED.



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NTINUED))

HT SPEAKER (“THE ONE WHOHT SPEAKER (“THE ONE WHOE AFTER / THE THEORIST”.)NSTRUMENTATION PROJECTNSTRUMENTATION PROJECTMAGNITUDES, STATIC/DYNAMIC

ROTOCOLS IN CASE THE SETDD:

TING MORE THAN CAN BE


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NOWADAYS MONITORING REQUIRENOWADAYS, MONITORING REQUIRE

ELECTRONIC TRANSDUCERS IN T

THAT THROUGH THE USE OFTHAT THROUGH THE USE OF

MAGNITUDES CAPTURED WILL BE

THAT ARE AUTOMATICALLY STORETHAT ARE AUTOMATICALLY STORE

ONCE THE INSTRUMENTATION HAONCE THE INSTRUMENTATION HA

AND STORED IN A CENTRAL COM

AND CONTROLLED WITH THE RELAND CONTROLLED WITH THE REL

TO THE OFFICE THROUGH THE A

(TELEPHONE FIBER OPTICS SATE(TELEPHONE, FIBER OPTICS, SATE



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NTINUED)

ES THE INSTALLATION OF DETECTORS ORES THE INSTALLATION OF DETECTORS OR

HE STRUCTURE’S TARGETED POINTS, SO

SUITABLE EQUIPMENT THE PHYSICALSUITABLE EQUIPMENT, THE PHYSICAL

TRANSFORMED INTO ELECTRIC SIGNALS

ED AND CONDITIONEDED AND CONDITIONED.

AS BEEN DONE, SIGNALS ARE DIGITALISEDAS BEEN DONE, SIGNALS ARE DIGITALISED

MPUTER, WHERE THEY ARE PRETREATED

LEVANT SOFTWARE FINALLY DATA IS SENTLEVANT SOFTWARE. FINALLY, DATA IS SENT

APPROPRIATE COMMUNICATIONS SYSTEM

ELLITE)ELLITE).


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2 DEFINITION OF MONITORING (CON2. DEFINITION OF MONITORING (CON

Scheme of Distribution



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NTINUED)NTINUED)

n Network in Arroyo de las Piedras Viaduct


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3 DEVELOPED ACTIVITIES3. DEVELOPED ACTIVITIES

VIADUCT MVIADUCT M

Preliminary InitialStudy Initial

Inspection M

Instrumentation Calibration and operation testsp

REPORT RELEASE

DATABASE APRESENTA



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MONITORINGMONITORING

MONITORING Project

DATA ANALYSIS

DATA RECORD ANDAND

TRANSMISSION

RESULTSAND

CONCLUSIONSAND WEB TATION

CONCLUSIONS


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4. MAGNITUDES TO BE MEASUR

AFTER CARRYING OUT THE DETAILED

FREQUENCY

THE PRIOR VISIT TO ASSESS THE DIF

(AUXILIARY ELEMENTS: ACCE(

CHARACTERISTIC MAGNITUDES TO

QUANTITY, QUALITY AND FREQUENCQ , Q Q

DEVICES IS STUDIED (LOCAL NETW

SYSTEM USED FOR DATA TRANSMISSYSTEM USED FOR DATA TRANSMIS

WILL BE INCLUDED IN THE MONITORIN

EACH MAGNITUDE MUST BE PERFE

MEASUREMENT RANGE, ACCURACY

SENSORS WILL DEPEND ON THIS

RESPONSE, AND THE DATA SAMPLE F



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RED AND

D ANALYSIS OF EACH VIADUCT, AS WELL AS

FFERENT INSTRUMENTATION POSSIBILITIES

SSES, CRANES, CLIMBERS); THE, , );

BE MEASURED ARE SET IN TERMS OF

CY. THE CONNECTION METHOD BETWEEN

WORK) AND ALSO THE COMMUNICATION

SION (EXTERNAL NETWORK). ALL OF THISSION (EXTERNAL NETWORK). ALL OF THIS

NG PROJECT.

ECTLY DEFINED IN TERMS OF LOCATION,

Y AND MAIN FREQUENCY. THE CHOICE OF

S, THE ANALYSIS OF ITS FREQUENCY

FREQUENCY.


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4. MAGNITUDES TO BE MEASURED AND

THE FREQUENCY RESPONSE CA

ACCURACY TOGETHER, BECAUS

THE MEASUREMENTS WON’T BE

FOR ALREADY BUILT RMAGNITUDES TO BE MEASU

MOTION IN FOUNDATIONS AND P MOTION IN FOUNDATIONS AND P

BOTH PERPENDICULAR AXES W

MEASURING TILT WE CAN CALCU

OF MEASUREMENT CAN BE CON

TERM AND DURING TRAIN CIRCUL



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D FREQUENCY (continued)

AN BE AS IMPORTANT AS RANGE AND

SE IF THE RESPONSE ISN’T SUFFICIENT

ACCURATE.

RAILWAY VIADUCTS, THE MAINURED ARE THE FOLLOWING:

PIER HEADS MEASURING TILT AGAINSTPIER HEADS. MEASURING TILT AGAINST

WITHIN THE HORIZONTAL PLANE. BY

ULATE ANY DISPLACEMENTS. THIS KIND

NTINUOUSLY RECORDED ON THE LONG

LATION (IF THE SENSOR ALLOWS IT).


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44. MAGNITUDES TO BE MEASURED AND F

RELATIVE DISPLACEMENTS PIER /

o MEASURING DIRECT RELATIVE DIS

THE PIER HEADS OR ABUTMENTS.

o MEASURING DISPLACEMENTS BEo SU G S C S

BETWEEN DECK AND ABUTMENTS

THESE MEASUREMENTS ALLOW U

STRUCTURE’S GLOBAL DISPLASTRUCTURE S GLOBAL DISPLA

CONTINUOUS DISCREET DYNAMI



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FREQUENCY (continued)

ABUTMENT – DECK.

SPLACEMENTS BETWEEN THE DECK AND

ETWEEN DECK JOINTS, AND IN JOINTSC JO S, JO S

S.

US TO HAVE A GOOD CONTROL OVER THE

ACEMENTS AND ALSO TO KEEP AACEMENTS AND ALSO TO KEEP A

IC RECORD.


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4

ACCELERATIONS CAUSED BY CE


ACCELERATIONS CAUSED BY CE

VERTICAL ACCELERATION: VERTICAL ACCELERATION:

THE QUINTESSENTIAL DYNAMIC M

TO CARRY OUT A SPECTRAL STTO CARRY OUT A SPECTRAL ST

TRAINS. THE RESULTS OF THIS ST

ABSOLUTE VALUES FOR ACCELERABSOLUTE VALUES FOR ACCELER

DECK MICROSTRAINS (STRESS):

STRAIN GAUGES ARE MAINLY INST



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NTRIFUGAL FORCE AND BREAKING


NTRIFUGAL FORCE AND BREAKING.

MEASUREMENTS THAT MAKE IT POSSIBLE

TUDY ON THE VIBRATIONS CAUSED BYTUDY ON THE VIBRATIONS CAUSED BY

TUDY WILL REVEAL: MAIN FREQUENCIES,

RATION AND DAMPING VALUESRATION, AND DAMPING VALUES.

TALLED FOR DYNAMIC RECORDINGS.


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WIND SPEED (GUSTS).

SENSORS ARE PLACED ON PIERSENSORS ARE PLACED ON PIER

DECK. THEY MEASURE IN A C

EXTRACTING EXCLUSIVELY STEXTRACTING EXCLUSIVELY ST

MINIMUM, AVERAGE, ETC), OR EV

TEMPERATURE MEASUREMENTS

SENSORS ARE PLACED ON DIST

ORDER TO STUDY THE DIFFERE

AND EXPOSURES.

GLOBAL MEASURES OF TEMPERA

SPEED RECORDED ON A SEPARSPEED RECORDED ON A SEPAR

LEVEL.



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FREQUENCY (cont.)

RS AT DIFFERENT HEIGHTS AND ON THERS AT DIFFERENT HEIGHTS AND ON THE

CONTINUOUS DISCREET DYNAMIC WAY,

TATISTICAL PARAMETERS (MAXIMUMTATISTICAL PARAMETERS (MAXIMUM,

VEN ON SPECIFIC EVENTS.

ON DECK OR PIERS.

TRIBUTED POINTS IN EACH BRIDGE IN

NCES BETWEEN DIFFERENT SURFACES

ATURES, HUMIDITY, PRESSURE AND WIND

RATE SYSTEM PLACED AT THE DECK’SRATE SYSTEM PLACED AT THE DECK’S


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PRESENTATION OF STATISTICAL D



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DATA ON WEBSITE


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FREQUENCY IS VERY IMPORTAN

OBTAINED. THERE ARE GENERA

RECORDING DATA:

> CONTINUOUS STATIC RECORDIN

RECORDED EVERY 10 MIN)

> QUASIDYNAMIC OR CONTINUO

MEASURED IN A DYNAMIC WAY (

PERIOD FOR THE STATISTICAL ANA

DURING LONG PERIODS (FILES RAN

> DISCREET DYNAMIC (OR DIFFERE

MAXIMUM SAMPLE SPEED, BY R

LASTING A FEW SECONDS).



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NT DUE TO THE LARGE DATA VOLUME

ALLY THREE WAYS OF GATHERING AND

G (1 DATUM/SECOND, STATISTICAL DATA

OUS DISCREET DYNAMIC RECORDING,

(UP TO 500 DATA/SECOND) WITH A SET

ALYSIS (EVERY MINUTE), AND RECORDED

NGING FROM 1 HOUR TO 1 DAY).

ENTIAL). ALL DATA IS RECORDED AT THE

REQUEST OR FOR AN EVENT (A FILE


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5. MONITORING CHALLENGE INVIADUCTS ARROYO DELVIADUCTS – ARROYO DEL

• Continuous structure divided in 27 sec• Continuous structure divided in 27 sec

The work’s total length is 1.755,00 m.

• The span between pier 14 and 15 is 13• The span between pier 14 and 15 is 13

of an ogival arch with a 132 m span an

Th t t l b f t ll d i t i• The total number of controlled points is

obtained.

- Displacements on founda- Relative displacements oA l ti d b- Accelerations caused by c

- Vertical accelerations- Wind speed (gusts)Wind speed (gusts)- Train speed- Temperatures



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N HIGH-SPEEDL VALLEL VALLE

ctions with 52 50+25×66 00+52 50 m spansctions with 52,50+25×66,00+52,50 m spans.

32 m; the support in between has the shape32 m; the support in between has the shape

nd 50,4 m deflection.

65 f hi h 260 i t l h l bs 65, from which 260 virtual channels can be

ations and pier heads 22n pier/abutment – deck 8

t if l f d b ki 3centrifugal force and breaking 3129945


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5. MONITORING HIGH-SPEED VVALLE (continued)



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VIADUCT IN ARROYO DEL


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5. MONITORING HIGH-SPEED VIN ARROYO DEL VALLE (cont



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VIADUCT tinued)


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5. MONITORING CHALLENGE INVIADUCTS ARROYO DE LVIADUCTS - ARROYO DE L

• Continuous structure divided in 20 seContinuous structure divided in 20 se

spans. Total length: 1.208,90 m.

• The pier’s height ranges from 10 toThe pier s height ranges from 10 to

• The total number of controlled points is

obtained.obtained.- Displacements on foun

- Relative displacement- Relative displacement- Accelerations caused- Vertical accelerations- Wind speed (gusts)- Strains- Train speed- Temperatures



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N HIGH-SPEEDAS PIEDRASAS PIEDRAS

ctions with 50.40+17×63.50+44.00+35.00 mctions with 50.40 17 63.50 44.00 35.00 m

92 m92 m.

s 81, from which 324 virtual channels can be

ndations and pier heads 20

ts on pier/abutment – deck 8ts on pier/abutment – deck 8by centrifugal force and breaking 2

10974

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5. MONITORING HIGH-SPEED VLAS PIEDRAS (continued)



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VIADUCT IN ARROYO DE


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5. MONITORING HIGH-SPEED VLAS PIEDRAS (continued)



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VIADUCT IN ARROYO DE


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5 MONITORING CHALLENGE HIGH5. MONITORING CHALLENGE – HIGH-

INSTRUMENTATION PR



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SPEED VIADUCTSSPEED VIADUCTS

ROJECT


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RECORDINGS



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RECORDINGS



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RECORDINGS



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RECORDINGS



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RECORDINGS



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ANALYSIS



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Technology

111214 ineco justo_cp_monitoreo_cancunshmii5-eng_v1