Understanding the need for pre-injection from permeability measurements: What is the connection?
Pre-grouting ahead of tunnels has three main functions: to control water inflow into the tunnel, to limit groundwater drawdown above the tunnel, and to make tunnelling progress more predictable since rock mass quality is effectively improved. It helps to avoid settlement damage caused by consolidati...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2019-06-01
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| Series: | Journal of Rock Mechanics and Geotechnical Engineering |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1674775518304219 |