Table 1 Comparison of construction speed between rock burst section and nonrock burst section.

From: Research on prevention and control technology of classified rockburst in TBM construction of deeply buried tunnels

Project

Class

Nonrockburst (%)

Slight (%)

Slight-moderate

Moderate

Moderate-strong

Strong

ABH

II

100

67.8

–

–

–

–

III

100

77.2

49.5%

48.4%

–

–

YHJW

I

100

95.8

87.3%

74.6%

54.9%

45.1%

II

100

76.7

73.6%

45.0%

–

–

III

100

78.9

82.9%

51.3%

–

–

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