Influence of Segmented Linings on the Micro-Pressure Wave of Tunnels

Table 6

Comparison of amplitude values of the micropressure wave at M1.

MPW (Pa)	The thickness of linings (m)
	0 m	0.4 m	0.5 m	0.6 m
Normal linings	86.305	86.076	85.888	85.741
Segmented linings		85.985	85.769	85.444