Study on Rockburst Nucleation Process of Deep-Buried Tunnels Based on Microseismic Monitoring

Table 2

Daily footage of TBM tunneling in diversion tunnel #3 (January 20 to March 1, 2011).

Date	Working face/m	Footage/m
1.20	#3K9 + 770	7
1.21	#3K9 + 767	3
1.22	#3K9 + 759	8
1.23	#3K9 + 747	12
1.24	#3K9 + 735	12
1.25	#3K9 + 726	9
1.26	#3K9 + 720	6
1.27	#3K9 + 715	5
1.28	#3K9 + 715	0
1.29	#3K9 + 699	16
1.30	#3K9 + 698	1
1.31	#3K9 + 686	12
2.1	#3K9 + 686	0
2.2	#3K9 + 686	0
2.3	#3K9 + 686	0
2.4	#3K9 + 684	2
2.5	#3K9 + 680	4
2.6	#3K9 + 671	9
2.7	#3K9 + 664	7
2.8	#3K9 + 657	7
2.9	#3K9 + 649	8
2.10	#3K9 + 637	12
2.11	#3K9 + 630	7
2.12	#3K9 + 630	0
2.13	#3K9 + 630	0
2.14	#3K9 + 629	1
2.15	#3K9 + 629	0
2.16	#3K9 + 623	6
2.17	#3K9 + 621	2
2.18	#3K9 + 619	2
2.19	#3K9 + 616	3
2.20	#3K9 + 611	5
2.21	#3K9 + 607	4
2.22	#3K9 + 607	0
2.23	#3K9 + 607	0
2.24	#3K9 + 607	0
2.25	#3K9 + 607	0
2.26	#3K9 + 607	0
2.27	#3K9 + 607	0
2.28	#3K9 + 607	0
3.1	#3K9 + 607	0