Load Transfer Efficiency Analysis and Void Evaluation of Composite Pavement Cement Concrete Slab

Table 11

Judgment of soil foundation modulus, spring stiffness, and void degree.

Serial number	Exponential formula		Forecast classification
	a	b	Elastic modulus of soil foundation	Spring stiffness	Void form and size
1	17.775	−0.010	100	0.01q	Full void of slab corner is 0.4 m
2	32.898	−0.007	100	0.01q	Full void of slab corner is 0.4 m
3	23.817	−0.009	80	0.01q	Half void at slab corner 0.4 m
4	26.921	−0.011	#N/A	0.005q	#N/A(not applicable)
5	13.954	−0.015	100	0.1q	Full void of slab corner is 0.4 m
6	25.805	−0.010	80	q	Full void of slab corner is 0.2 m
7	27.694	−0.009	80	q	Full void of slab corner is 0.2 m
8	14.973	−0.012	80	0.1q	Full void of slab corner is 0.2 m