Marsh gas in shallow soils and safety measures for tunnel construction |
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| Authors: | Yi-Qun Tang Wei-Min Ye Yu Huang |
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| Institution: | Department of Geotechnical Engineering, Tongji University, Shanghai 200092, PR China |
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| Abstract: | Marsh gas is a danger for tunnelling through soils in Shanghai. Predrilling can assess the hazard and help to vent the gas. Additional measures include tunneling with an airproof shield, adequate ventilation, special precautions against ignition and education of the workers. |
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| Keywords: | Marsh gas Tunnel safety Shield Confluent sewerage works Shanghai |
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