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

Table 5

The amplitude values of the micro-pressure wave at M3.

The position of the linings	Without linings	Normal linings	Segmented linings
			10-segment	20-segment	30-segment
Entrance of the tunnel	37.051	41.994	39.181	40.105	40.701
In the middle		36.918	36.835	36.655	36.645
In the exit		35.053	35.569	35.286	35.096