| 1 | The earthquake caused the collapse of the coal mines in this district. | |
| 2 | This paper introduces the treatment and application of construction technology of cement-water glass two-shot grouting in the tunnel collapse. | |
| 3 | The move comes after three rescue workers were killed during a cave-in Thursday night. | |
| 4 | The total length of the freeway affected by the mudslide was around 300 meters, creating huge impact on commuters. | |
| 5 | The primary analysis is taken on the causes of wall - rock landslide of the tunnels along horizontal layers. |
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