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

Table 4

The amplitude values of the micro-pressure wave at M1.

The position of the linings	Without linings	Normal linings	Segmented linings
			10-segment	20-segment	30-segment
Entrance of the tunnel	86.305	97.969	91.225	93.417	94.880
In the middle		85.888	85.769	85.440	85.258
In the exit		81.853	83.204	82.559	82.172