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Rigid Pavement Design Parameters
Modulus of Rupture (S'
Modulus of Elasticity (E
Load Transfer Coefficient (J) - Doweled, Edge Support*
Load Transfer Coefficient (J) - Doweled, No Edge Support*
* Edge support includes tied concrete shoulders, integral curb, widened lane, etc. Widened lane refers to
concrete slabs built 14 feet (4.2 m) wide or wider, but striped for a standard 12-foot (3.6 m) lane, leaving 2
feet (0.6 m) outside the traveled lane to provide edge support.
ODOT Specification
Item 301, 302 Asphalt Concrete Base
Item 304 Aggregate Base**
Natural Subgrade***
** When the entire subgrade is chemically stabilized (global chemical stabilization), the elastic modulus of
the Item 304 Aggregate Base is increased to 36,000 psi.
*** Not recommended for most applications. See Section 301.4
MATERIAL PROPERTIES
)
c
)
c
SUBBASE FACTORS
Recommended
Thickness (in.)
Elastic Modulus
(psi)
(D
)
(E
SB
4
300,000
6
30,000
301-1
July 2016
Reference Section
301
700 psi
5,000,000 psi
2.7
3.2
Loss of Support
)
(LS)
SB
0
1
2
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