Numerical Analysis of the Mechanical Responses and Transition Section Design of Pavement Structures in the Entrance and Exit Sections of Highway Tunnel

Table 5

Simulation results of 8 pavement structures under the application of traffic loads (MPa).

Structure	Marking place	Pavement outside					Pavement inside
		Maximum shear stress in asphalt course			Tensile stress at the bottom of base course		Maximum shear stress in asphalt course		Tensile stress at the bottom of base course
		SMA-13	AC-16	AC-20	Concrete slab	Cement treated gravel	SMA-13	AC-16	Concrete pavement
Str-1	①	0.2516	0.2191	0.2064	0.0288	0.0680	0.0253	0.0443	0.1203
	②	0.2445	0.2162	0.1809	0.0198	0.0974	0.0170	0.0319	0.0883
Str-1a	—	0.2658	0.2299	0.2343	—	0.0235	0.2443	0.2185	0.0697
Str-1b	—	0.2447	0.2132	0.2051	0.0806	0.0966	0.0171	0.0323	0.0894
Str-1c	—	0.2451	0.2134	0.2056	0.0464	0.0933	0.0087	0.0170	0.0477
Str-1d	①	0.2471	0.2166	0.2009	0.0256	0.0916	0.0241	0.0441	0.1304
	②	0.2446	0.2163	0.1809	0.0199	0.0973	0.0172	0.0324	0.0961
Str-1e	①	0.2515	0.2190	0.2063	0.0288	0.0683	0.0250	0.0437	0.1288
	②	0.2450	0.2164	0.1812	0.0177	0.0944	0.0082	0.0162	0.0482
Str-1f	①	0.2472	0.2166	0.2010	0.0253	0.0911	0.02359	0.0430	0.1274
	②	0.2450	0.2165	0.1812	0.0178	0.0943	0.0085	0.0167	0.0498
Str-1g	①	0.2467	0.2164	0.2002	0.0233	0.0936	0.0166	0.0312	0.0925
	②	0.2450	0.2165	0.1812	0.0179	0.0941	0.0086	0.0169	0.0503

Note. The tensile stress at the bottom of the base course in Table 5 takes the larger value of the tensile stress along the driving direction and perpendicular to the driving direction.