Rutting Evaluation of HMA & WMA Under High Aircraft Tire ... NAPMRC_Ricalde.pdf · 28/05 al...

XIV Seminario ALACPA de Pavimentos AeroportuariosXII Taller Federal Aviation AdministrationVII Curso Rápido de Mantenimiento de Pavimentos de Aeródromos28/05 al 01/06 2018 – Ciudad de Quito - Ecuador

Tìtulo/Title: NAPMRC Autor/Author: Lia Ricalde, ARA Inc.

Rutting Evaluation of HMA & WMA Under High Aircraft Tire Pressure and Temperature

at NAPMRC

Lia Ricalde

Senior Civil Engineer, Applied Research Associates, Inc.

May 29th, 2018

“Rutting Evaluation of Hot and Warm Mix Asphalt Concrete UnderHigh Aircraft Tire Pressure and Temperature at National AirportPavement and Materials Research Center (NAPMRC)”

• Presented at TRB 2018 Annual Meeting.

• Accepted for publication in the Transportation Research Record: Journal of the Transportation Research Board.

• Selected as “Practice Ready Paper”.

Acknowledgements:

Navneet Garg, PhD (FAA)Hasan Kazmee, PhD (ARA)Tim Parsons, (ARA)

Tìtulo/Title: NAPMRC Autor/Author: Lia Ricalde, ARA Inc.Autor/Author: Lia Ricalde, ARA Inc.

Outline

• Introduction

• Objectives

• Full Scale Tests at NAPMRC (TC1)

• Results

• Summary

• Future Research

• Research conducted at the FAA William J. Hughes Technical Center, Atlantic City, NJ, USA.

• Sponsor: FAA Office of Airport Safety and Standards (AAS100), Washington, DC.

• Provide support for development of FAA pavement standard (Advisory Circulars).

FAA Airport Technology R&D Program

Aircraft Tire Pressure Trends

Aircraft Gross Weight Trends

National Airport Pavement Material Research Center (NAPMRC) – Outdoor Test Sections

National Airport Pavement Material Research Center (NAPMRC) – Indoor Test Sections

Heavy Vehicle Simulator – Airport (HVS-A)

Wheel loads - 10,000 (44.48 kN) to 100,000 lbs (444.8 kN).

Pavement temperatures up to 150°F (67°C)

Test speeds - 0.17 to 5 mph (0.27 to 8 kmph)

Single and Dual-Wheel configuration.

Single wheel - radial aircraft tire size 52x21.0R22

Dual wheel assembly (B-737-800)

Wander Width – 6 feet (1.83 m)

Aircraft Gross Weight Trends

Research at NAPMRC

Objectives, Pavement Construction, Sensors

NDT & Pavement Characterization

Full-Scale APT, Pavement Evaluation

Posttraffic Testing

TEST CYCLE (TC) AT NAPMRC

Outline

• Introduction

• Objectives

• Results

• Summary

• Future Research

Test Cycle 1 (TC1) Objectives

Compare WMA

performance with P-401

HMA performance

(rutting);

Effect of tire pressure on pavement

rutting;

Effect of polymer modified

binder (PMA) on pavement

rutting;

Effect of temperature on pavement

rutting.

Outline

• Introduction

• Objectives

• Results

• Summary

• Future Research

Test Parameters – Traffic tests

Test Areas HVS-A

Tire Pressure: South Test Area – 210 psi (1.45 MPa); North Test Area - 254 psi

(1.75 MPa)

Load Module: Single Wheel Load (SWL)

Wheel Load: 61,300 lbs. (27.8 metric tons)

Pavement Temperature: 120oF (49oC) measured at a depth of 2-inch (50 mm) below pavement surface

Test Speed: 3 mph (4.8 kph)

Failure Criteria: 1 in (25 mm) surface rut)

HVS-A TC1: Wander Pattern

Outline

• Introduction

• Objectives

• Results

• Summary

• Future Research

TC1 Post traffic Tests

Outline

• Introduction

• Objectives

• Results

• Summary

• Future Research

Summary

• Improves rutting performance significantly.

• Rutting performance of HMA/WMA is more sensitive to temperature than tire pressure.

• Significant effects on mixes with unmodified binders.

• Insignificant effects on mixes with PMA.

• Comparable Performance in rutting.

• Cracking performance need to be evaluated (TC2).

Compare WMA performance

with P-401 HMA performance

(rutting)

Effect of tire pressure on pavement

rutting;

Effect of polymer modified binder

(PMA) on pavement

rutting;

Effect of temperature on

pavement rutting.

Outline

• Introduction

• Objectives

• Results

• Summary

• Future Research

Test Cycle 2 (TC2) Objectives

Compare Warm Mix Asphalt (WMA) performance with

P401 Hot Mix Asphalt (HMA) performance

Rutting (at high temperature)

Fatigue

Evaluate different WMA technologies

Waxy additive

Chemical additive

Hybrid

Compare WMA/RAP performance with P401 Hot

Mix Asphalt (HMA) performance

Rutting (at high temperature)

Fatigue

Pavement Cross Section: TC2 Outdoor Lanes

Pavement Cross Section: TC2 Indoor Lanes

TC2 Test Sections Plan View

Future Research

PANDA-AP (Pavement Analysis using Non-linear Damage Approach for Airports) is currently being developed.

Implements mechanistic-based models that account for damage and rutting not only in the asphalt concrete layer but also unbound pavement layers (including base, sub-base, and subgrade).

Drucker-Prager CAP model for unbound materials, and stress-dependent material behavior.

Compare performance of different asphalt mixes, and pavement structures. Results from NAPMRC and NAPTF are being used to calibrate PANDA-AP.

Questions?

Rutting Evaluation of HMA & WMA Under High Aircraft Tire ... NAPMRC_Ricalde.pdf · 28/05 al...

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