The Effects of Higher Strength and Associated Concrete Properties ...

TABLE OF CONTENTS
VOLUME I: FINAL REPORT
Section
Page
INTRODUCTION..................................................................................................... 1
Background .......................................................................................................... 1
Project Objectives................................................................................................ 2
Project Phases ...................................................................................................... 2
Advisory Panel..................................................................................................... 3
Overview of the Report ....................................................................................... 3
1. LITERATURE REVIEW SUMMARY ON “EFFECTS OF
INCREASING STRENGTH AND ASSOCIATED PCC PROPERTIES
ON LONG-TERM PAVEMENT PERFORMANCE”........................................ 5
1.1 Introduction.................................................................................................. 5
1.2 PCC Properties and Material Characteristics for European Higher
Strength JPCP............................................................................................... 5
1.2.1 Required Levels of PCC Properties and Material
Characteristics.................................................................................... 6
1.2.2 European Concrete Pavement Demonstration Project in
Michigan............................................................................................ 6
1.3 Trends in Pavement PCC from the LTPP Database .................................. 11
1.3.1 Regional PCC Trends in the LTPP Database.................................. 11
1.3.2 Preliminary Performance Trends in the LTPP Database................. 12
1.4 Concrete Properties with Significant Influence on Jointed Concrete
Pavement Performance............................................................................... 12
1.4.1 Crack and Joint Faulting.................................................................. 15
1.4.2 Crack and Joint Spalling.................................................................. 17
1.4.3 Transverse Cracking and Corner Breaks ......................................... 19
1.5 PCC Properties and Materials Characteristics with Significant
Influence on Pavement Performance.......................................................... 27
1.5.1 Flexural and Splitting Tensile Strength........................................... 28
1.5.2 Compressive Strength...................................................................... 29
1.5.3 Elastic Modulus ............................................................................... 30
1.5.4 Fracture Energy ............................................................................... 30
1.5.5 Permeability..................................................................................... 31
1.5.6 Air Content and Freeze-Thaw Durability........................................ 32
1.5.7 Coefficient of Thermal Expansion................................................... 32
1.5.8 Coarse Aggregate Characteristics Affecting Joint/Crack LTE........ 33
2. RESEARCH METHODOLOGY FOR DETAILED FIELD AND
LABORATORY EVALUATION..................................................................... 35
2.1 Information on Pavement Performance, PCC Properties, and Material
Characteristics Obtained from the SHRP LTPP Database......................... 36
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