DESIGN, ASSEMBLY AND INITIAL OPERATION OF A HIGH PERFORMANCE MULTIFUNCTION DEVICE FOR PAVEMENT AND ROAD SAFETY CONDITION MONITORING IN ARGENTINA
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1 DESIGN, ASSEMBLY AND INITIAL OPERATION OF A HIGH PERFORMANCE MULTIFUNCTION DEVICE FOR PAVEMENT AND ROAD SAFETY CONDITION MONITORING IN ARGENTINA Author: Eng. Gustavo D. MEZZELANI Entity: ITYAC, Ing. Tosticarelli y Asociados S.A. Rosario, Argentina October 2010
2 Rosario, Argentina
3 THE ARGENTINE REPUBLIC
4 THE ARGENTINE REPUBLIC
5 Rosario, Argentina
6 Abstract Introduction. Overview of pavement evaluation in Argentina. The Transverse Profile Distresses and Road Inventory The Longitudinal Profile Assembly of functions in a multifunction device Applications in our Latin American region
7 PAVEMENT EVALUATION IN ARGENTINA The 1970s: Acquisition of knowledge, equipments and beginning of implementation Acquisition of 3 BPR Roughmeters, 2 Mu Meters and 5 deflectographs Lacroix Incorporation of the subject Pavement Evaluation in the Post-Graduate School at the University of Buenos Aires (UBA) Applications of the Road Needs Study
8 BPR Roughmeters from the Argentinian National Road Agency (DNV)
9 DNV: Mu Meter for Friction Measurements Mu Meter: measures the transverse friction coefficient
10 DNV: Deflectographe Lacroix Long Chassis Model LPC-03 First experiencies in the use of the Deflectographe Lacroix in Argentina
11 PAVEMENT EVALUATION IN ARGENTINA The 1980s: Implementation and practical applications. Pavement Evaluation Methodology is established at network level The whole National Network is evaluated anually during the period The state parameters (roughness, rutting, cracking and ravelling) are incorporated to maintenance contracts Toll Concessions
12 ARGENTINA National Road Agency (DNV) PAVEMENT EVALUATION METHODOLOGY Sample section 20 m 2 km ( ) 1 km ( )
13 PAVEMENT EVALUATION IN ARGENTINA The 1990s: Masive, intensive and indiscriminate applications of the Pavement Evaluation Methodology (DNV, DPVs, OCCOVI, toll entities, etc) at Project Level: maintenance, overlay designs, rehabilitations, etc. for performance prediction and service life estimation for HDM III and IV implementation to penalise maintenance contracts - Toll concessions
14 Longitudinal Profile - Roughness Response-Type (Bump Integrator) 5000 Curva de Calibración IRI (mm/km) ago_05= -5E-05x 2 + 1,0186x + 128,96 R 2 = 0, UNIDADES PROPIAS DEL EQUIPO (mm/km) Class III: IRI is estimated by correlation
15 Longitudinal Profile - Roughness Response-Type (Bump Integrator) MAYS-JMF
16 Longitudinal Profile - Roughness Bumps Integrators from different provincial departments Harmonization of Roughness measurement devices in Argentina - Rosario, 1996
17 Cracking and distresses MANUAL-VISUAL METHODOLOGY Sample section 20 m 2 km ( ) 1 km ( )
18 Transverse Profile - Rutting MANUAL-VISUAL METHODOLOGY Sample section Rutting Determination with straight-edge and graduated wedge: Reference Length: 1,20 meters
19 The 2000s: PAVEMENT EVALUATION IN ARGENTINA In the specifications of the 2003/2008 concessions contracts, it is mentioned for the first time and as an alternative to the use of high performance equipments, and it is reduced to a sample every 200 m, i.e. 5 per Km; in some special cases as in the Access Network to Buenos Aires it is performed every 100 meters. DNV purchased high performance equipment for road evaluation: MRM, SCRIM, FWD, ECODYN, radar 100 m / 200 m 20 m Sample section
20 The 2000s SCRIM TEX Friction-texture measurements GPR (radar) Multifunction Road Monitor MRM from WDM, UK
21 The 2000s Falling Weight Deflectometer (FWD) KUAB from DNV FWD Carl Bro from the Santa Fe province Retro-reflectance ECODYN -Vectra, France from DNV
22 PAVEMENT EVALUATION IN ARGENTINA The 2010s: New Concessions Contracts for the Principal National Network The use of high performance equipment is given priority: the equipments to be used for measurements shall be preferably high performance equipments, namely those which perform a great number of on- the-spot tests and causing the minimum traffic interference The sampling intervals shall be every 200 m, 5 per Km
23 2010: Principal National Network under new toll concessions contracts
24 Abstract Introduction. Overview of pavement evaluation in Argentina. The transverse profile Distresses and inventory The Longitudinal Profile Assembly of functions in a multifunction device First applications in our region
25 The Transverse Profile Transverse Profile deformations TUS, Ultrasonic Profiler, mlpc France
26 The Transverse Profile TUS Ultrasonic Profiler 13 ultrasonic sensors separated 20 cm from each other, cover a 2.40 m meters width and simultaneously measure the distance between pavement and straightedge A temperature sensor mounted at the front of the vehicle A distance measurement instrument (DMI) connected to an electronic unit Measurement interval: 3.50 mts
27 The Transverse Profile Post-processing software with virtual 1.20 m length straightedge Equipo TUS Sensores Borde Interno de Carril Ancho de Carril Borde Externo de Carril Banquina
28 The Transverse Profile 1. TUS Repetibility 18,000 m Testing Section Ahue. Promedio (mm) Comparación entre Pasadas Pasada 1 Pasada 2 Pasada 3 0,1 0,3 0,5 0,7 0,9 1,1 1,3 1,5 1,7 1,9 2,1 2,3 2,5 2,7 2,9 3,1 3,3 3,5 3,7 3,9 4,1 4,3 4,5 4,7 Progresivas (km) Ahue. Promedio (mm) Dispersión 0,1 0,3 0,5 0,7 0,9 1,1 1,3 1,5 1,7 1,9 2,1 2,3 2,5 2,7 2,9 3,1 3,3 3,5 3,7 3,9 4,1 4,3 4,5 4,7 Progresivas (km) TUS Mean Rut Depth every 100 m Results in a range lower than 2/3 mm
29 The Transverse Profile 2. TUS Accuracy vs transverse leveled profiles (Rod and Level) mm EJE de CALZADA PERFIL 5 Asc. Pr Rango Alto 19.8 mm 19 mm 19.3 mm 20 mm TUS - Pasada 3 TUS - Pasada 2 Ahuellamiento - Comparación Regla y Cuña Promedio TUS TUS - Pasada 1 Campaña de Verificación TUS - RP Nº 6 (Tramo; RN Nº 19 - Franck) PERFILES NIVELADOS vs. TUS (huella interna) Fecha de Medición 02/10/2002 Carril Ascendente Lado Derecho Vert. Scale 1:1 Horiz. Scale 1:20
30 The Transverse Profile 18,000 m Testing Section 3. Reliability or accuracy vs Manual measurements with 1.20 m edge Ahuellamiento (mm) Comparación TUS vs. Regla 1,20 m y Cuña Valores TUS Valores Regla 1,20 m y Cuña Progresivas (m) TUS Mean Rut Depths every 10 m Manual Rut Depths determinations with edge and wedge every 10 m
31 Abstract Introduction. Overview of pavement evaluation in Argentina. The transverse profile Distresses and inventory The Longitudinal Profile Assembly of functions in a multifunction device First applications in our region
32 ASTRA System Distresses and Inventory Cracking and distress evaluation Road Inventory
33 Distresses and Inventory
34 Distresses and Inventory SYSTEM APPLICATIONS I. ROAD INVENTORY Color environmental videos by digital cameras: creation of bank of images digitized in realtime JPEG format.
35 Distresses and Inventory Auxiliary configurable keyboards TECLADO DERECHO BERMA PAVIMENTADA (BERPAV) BERMA NO PAVIMENTADA (BERNOPAV) ACERA (ACERA) CICLOVÍA (CICLOVIA) OBSERVACION (OBSCON) Estado Estado Estado Estado B-R-M B-R-M B-R-M B-R-M BARANDA DEF METAL (BARMET) BARANDA DEF CONCRETO (BARCON) SEÑALIZACIÓN HORIZ BORDES (SHBORDES) SEÑALIZACIÓN HORIZ EJE (SHEJE) TALUDES (TALUDES) Estado Estado Estado Estado Erosión B-R-M B-R-M B-R-M-F B-R-M-F B-R-M ZANJA COR. SIN REVESTIR (ZJSINREV) ZANJA COR. REVESTIDA (ZJREV) CUNETA SIN REVESTIR (CUNSINREV) CUNETA REVESTIDA (CUNREV) SECCIÓN (SECCION) Limpieza Limpieza / Estado Limpieza Limpieza / Estado Tipo FUN-ERS-TAP-F FUN-DET-TAP FUN-ERS-TAP-F FUN-DET-TAP CJ-TR-ML-SM CANALES (CANALES) VEGETACIÓN MENOR (VEGMEN) VEGETACIÓN MAYOR (VEGMAY) PENDIENTE LONGITUDINAL (PENDLONG) TERRENO - PEND. TRANS. (PENDTRANS) Limpieza / Estado Altura Estado Tipo Tipo FUN-DET-TAP CO-RO-F CO-PO-F P1-P2-P3 OND-MON-ESC Sistema ASTRA
36 Distresses and Inventory Field data collection
37 Distresses and Inventory Once field data collection has been carried out, the inventary can be visualized and reviewed at the office. If necessary, new events can be entered and corrections can be made, if necessary
38 Distresses and Inventory
39 Distresses and Inventory Surface measurements Width measurements
40 Distresses and Inventory SYSTEM APPLICATIONS II. ROAD SAFETY AUDITS (RSA)
41 Distresses and Inventory Road Safety Audits (RSA)
42 Distresses and Inventory Road Safety Audits (RSA)
43 Distresses and Inventory Road Safety Audits (RSA)
44 SYSTEM APPLICATIONS III. SURFACE DISTRESS EVALUATION
45 Distresses and Inventory Argentinian DNV Methodology SHRP LTPP Methodology Others VIZIR, etc
46 Distresses and Inventory DNV Methodology Cracking evaluation Asphalt pavement Sistema ASTRA
47 Abstract Introduction. Overview of pavement evaluation in Argentina. The transverse profile Distresses and inventory The Longitudinal Profile Assembly of functions in a multifunction device First applications in our region
48 The Longitudinal Profile NEW LASER PROFILER: LASERPROF (Greenwood Eng.) Inertial profilometer Class I: Laser+Accelerometer Measures long. Profile + macrotexture
49 The Longitudinal Profile Profile IRI results in 100 m intervals IRI and MPD
50 The Longitudinal Profile Laser Prof Mays JMF Romdas (Dipstick) Compared IRI results 2,50 2,00 2,50 2,00 IRI (m/km) 1,50 1,00 1,50 1,00 0,50 0,50 0,00 Pista 35 Pista 45 Pista 46 Pista 47 Pista 48 0,00 CALZADA ASCENDENTE - CARRIL EXTERNO 5,50 5,00 4,50 IRI Mays JMF IRI Laser Prof 4,00 3,50 3,00 2,50 2,00 1,50 1, IRI (m/km)
51 Abstract Introduction. Overview of pavement evaluation in Argentina. The transverse profile Distresses and inventory The Longitudinal Profile Assembly of functions in a multifunction device First applications in our region
52 ITYAC s Modular Multifunction device: ASTRA 2 high definition DGPS digital cameras Keyboards for data entry Industrial rackmounted computer Long Profile and texture (laser +accelerometer) Rutting (13 US)
53 ITYAC s Modular Multifunction device: ASTRA ASTRA Multifunction general dashboard
54 ITYAC s Modular Multifunction device: ASTRA
55 Abstract Introduction. Overview of pavement evaluation in Argentina. The transverse profile Distresses and inventory The Longitudinal Profile Assembly of functions in a multifunction device First applications in our Latin-American region
56 SIPLAM FUNCTIONAL MODULES WHAT WE HAVE? ROAD INVENTORY WHAT IT IS LIKE? AUSCULTATION EVALUATION WHAT IT SHOULD BE LIKE? Inventory, Evaluation and Monitoring System (SIEM) ACCEPTABILITY STANDARDS (SERVICE LEVELS) MODELS (DETERIORATIONS, PRIORITIES, STRATEGIES, COSTS) MPM BUDGET WHAT TO DO, WHEN AND WHERE? WORKS PLAN (INVESTEMENTS) PROJECT CONSTRUCTION MAINTENANCE Maintenance Planning Models (MPM) Road Maintenance Planning System (SIPLAM)
57 VERY IMPORTANT Every Road Management System (RMS) requires data and must be periodically and continuously fed with updated data to obtain valid and confident results NO DATA = NO MANAGEMENT SYSTEM
58 Data Acquisition scheme for Inventory and Road Evaluation ROAD INVENTORY LONG EVENNESS IRI RUTTING DEFLECTIONS FRICTION AND TEXTURE CRACKING AND DISTRESSES
59 Province of Chaco, Argentina Ride - Longitudinal evenness
60 Province of Chaco, Argentina Transverse Profile, Rut Depths
61 Fundamental Road Network from the Republic of Bolivia (ABC) Inventory and Evaluation of 16,000 Km
62 Rosario-Santa Fe Highway, Argentina Monitoring of State Rate
63 RN 7 Province of Mendoza, Argentina Itinerary scheme
64 THE COLOMBIAN REPUBLIC DEPARTAMENT OF CUNDINAMARCA 2004/05 SAMR TRIAL PLAN 1500 Km Routine Maintenance Administration System (SAMR) Paved Unpaved
65 Department of Cundinamarca, Colombia Planning of Routine maintenance activities STATE, INVENTORY AND EVALUATION DECISION X TREE-LIKE = DIAGRAMS ROUTINE ACTIVITIES PLAN ACTIVITY PLAN WORK QUANTITIES BUDGET X COMPUTING CRITERIA = X UNIT PRICES = AVAILABLE / RESOURCES = WORK QUANTITIES BUDGET RM ACTIVITIES PRIORIZATION It s possible to make different simulations, to establish an annual plan of activities and its programming in terms (monthly, etc)
66 Department of Cundinamarca, Colombia Planning of Routine maintenance activities
67 FINAL CONSIDERATIONS We have designed, assembled and tuned up a multifunction device for Automated Pavement Evaluation and Road Inventory in Argentina. Our aim was to produce a substantial improvement in terms of objectivity, accuracy, performance and safety in the production and administration of information for pavement management in order to conform to the new requirements established in maintenance contracts. The ASTRA system has characteristics of a multifunction device, but at the same time it is capable of evolution, flexible and modular. ASTRA has already been used with satisfactory results in Argentina and other Latin-American countries, and is therefore available for use in the region.
68 .THANK YOU VERY MUCH FOR YOUR ATTENTION!
Email: info@romdas.com Phone: + 64.9.87.7703 Fax: +64.9.87.7704. ROMDAS Manufactured by Data Collection Ltd. New Zealand
For further information on the ROMDAS road measurement system please visit www.romdas.com Email: info@romdas.com Phone: + 64.9.87.7703 Fax: +64.9.87.7704 ROMDAS Manufactured by Data Collection Ltd. New
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