concrete pavement construction the facts - ftba · 2013-01-09 · mechanistic empirical pavement...

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2010 FDOT Construction Conference Concrete Pavement 2010 FDOT Construction Conference Concrete Pavement Construction – Just the Facts Jamshid Armaghani Ph D PE Jamshid Armaghani, Ph.D ., P .E. Florida Concrete and products Association

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Page 1: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

2010 FDOT Construction Conference

Concrete Pavement

2010 FDOT Construction Conference

Concrete Pavement Construction – Just the Facts

Jamshid Armaghani Ph D PEJamshid Armaghani, Ph.D., P.E.

Florida Concrete and products Association

Page 2: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Concrete Pavements of TodayDesign –

Optimum and structurally soundEconomicalEconomical

Construction –Almost 100% automation F t d d i i l lFast and paved in a single layerSmooth Quiet

Quality –Innovative testing equipment to assure structural and functional qualityfunctional quality

Materials –Cement ‐ Locally produced i h h i d h bHigh strength concrete – New construction and Rehab

Page 3: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 4: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

AASHTO Pavement Design GuideAASHTO Pavement Design Guide

• Empirical methodology based on AASHO Road Test in the late 1950’s

• Several versions:– 1961, 1972, 1986, 1993 (Empirical)M li i i– Many, many limitations

Page 5: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

AASHO Road Test (late 1950’s)

(AASHO, 1961)

Page 6: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Limitations: Huge Traffic Extrapolation

Page 7: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Mechanistic Empirical Pavement Design Guide ( )(MEPDG)

State‐Of‐The‐Art Guide based on fundamental pavement engineeringpavement engineering principles, climatic conditions, traffic volumes & material characteristics. It has been calibrated using over 250 pavement sites pthroughout the country.

Page 8: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Climate

MEPDG

Traffic

Structure,Joints,

Traffic

DG Inputs Axle load (lb)

Materials & ConstructionReinforcement

DG Process

DG Outputs

stress

age Field Distress

8Damage

Dis

Distress Prediction & ReliabilityMechanistic Response

Damage AccumulationTime

Dam

Page 9: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

MEPDG Design Optimization OptionsMEPDG Design Optimization Options Widened lanesSh t J i t iShort Joint spacing Larger size dowelsHi h i hHigher compressive strength Advantage of structural value of support layerslayersBond at Concrete‐asphalt base interfaceFl id Li t ith l C ffi i t fFlorida Limestone with low Coefficient of Thermal Expansion.

Page 10: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

MEPDG Output king

% Crack

Page 11: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 12: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Slipform machine (2)

Curing/tining machine (3) Concrete Spreader (1)

Paving TrainPaving Train

Page 13: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Alignment Sensor

Elevation Sensor

Stringline

Page 14: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 15: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Leica System EquipmentLeica System Equipment

Page 16: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Computer on PaverComputer on Paver

Page 17: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Adjustable Telescopic Frame

Spreader arm

Tie bars basket Dowel bars basket

Page 18: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 19: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 20: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 21: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 22: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 23: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

On‐site Batch Plant

Page 24: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Concrete mixes can be designed to allow opening lane to traffic from 6 hrs to 36 hours

Page 25: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Maturity Meter

Page 26: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 27: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Tie bars away from the Joint and ends of dowel bars

Nail dowel basket to AC baseto AC base

Page 28: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 29: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 30: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 31: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 32: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 33: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Transverse Tiningg

Wide tine spacing can be Noisy Narrow tine spacing (1/2”) produces quieter surface

Page 34: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Longitudinal Tines Produce quiet pavement q p

Page 35: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Grinding

Page 36: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Smoothness TestingSmoothness Testing

California Profilograph

Laser Profiler

Page 37: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Narrow Joints produce quiet pavement

Page 38: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Uncontrolled crack from delayed joint sawing

Page 39: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Narrow vs. Wide Joints

Narrow joints produce quieter pavement Joints > ½” Generate Noise

Page 40: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 41: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 42: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Joint too wide. Will cause noise.Must be ≤ ¼ “

Replacement slab

Page 43: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Pervious Concrete Edge Drain

Filter Fabric

Asphalt subbase

Page 44: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 45: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 46: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Graded aggregate gg gdrainage mat beneath curb.

Asphalt baseAsphalt base

Page 47: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

Page 48: Concrete Pavement Construction the Facts - FTBA · 2013-01-09 · Mechanistic Empirical Pavement Design Guide ()(MEPDG) State‐Of‐The‐Art Guide based on fundamental pavement

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