DESIGN OF CEMENT CONCRETE (PCC) PAVEMENT
1 OVERVIEW
Design Concept: Concrete slab behaves as a beam that directly supports traffic loading.
Composition
Slab
To support traffic load
Water-proof on the surface
Cement + Aggregate + Water
Sub-base
To support upper slab
To provide proper drainage
To prevent freezing/thawing
Gravel + Sand
Types of PCC Pavements
Comparison of Different PCC Pavements
Comparison of AC and PCC Pavements
Statistics on PCC Pavements
2 PCC DESIGN METHODS
Comparisons
Applications
3 AASHTO DESIGN METHODS
3.1 OVERVIEW
Comparison
Design Inputs
Design Procedure
3.2 ’86 DESIGN PROCEDURE
3.2.1 SLAB THICKNESS DESIGN FOR JPCP AND JRCP
3.2.1.1 MODULUS OF SUBGRADE REACTION, K
3.2.1.2 EFFECTIVE MODULUS OF SUBGRADE REACTION
3.2.1.3 LOSS OF SUBGRADE SUPPORT
3.2.1.4 OTHER INPUT VARIABLES
3.2.1.5 DETERMINATION OF SLAB THICKNESS
3.2.2 SLAB THICKNESS DESIGN FOR CRCP
3.3 국내 포장설계법
설계도표(I): pt = 2.5, J = 3.2 가정
설계도표(II)
3.4 국내 포장설계 예제 (도로설계편람, 국토해양부, 2000)
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