Comparisons of Two Typical Specialized Finite Element Programs for Mechanical Analysis of Cement Concrete Pavement

Table 1

Parameters of finite element models.

Parameter type	KENSLABS	EverFE
Axle load	(i) Eight 204.1 mm × 140.5 mm rectangular uniform loads; (ii) Contact pressure: 620.6 kPa; (iii) Dual spacing: 336.1 mm, tandem spacing: 1208.8 mm, and the overall width: 2317.7 mm.
Slab	(i) 4572 mm (length) × 3657.6 mm (width) × 178 mm (thickness); (ii) Joint width: 5.0 mm; (iii) Elastic modulus: E1 = 27580 MPa, Poisson’s ratio: ν1 = 0.15, and unit weight: γ = 23.58 kN/m^3.
Dowel	(i) Length: l = 356 mm, diameter: d = 25.4 mm, and 305 mm on centers; (ii) Elastic modulus: E2 = 200,000 MPa and Poisson’s ratio: ν2 = 0.3;
	(i) Dowel support modulus: K = 407,000 MN/m^3.	(i) Dowel-slab support modulus: K′ = K·d = 10338 MPa; (ii) Aggregate interlock: 0.5 MPa/mm (software default).
Liquid foundation	(i) Reaction modulus: 54.2 MN/m^3.	(i) Reaction modulus: 0.0542 MPa/mm.