Research on Construction Technology of CO2 Inrush Prevention and Control in Gudauri Tunnel in Georgia
Taking the construction of Gudauri Tunnel in Georgia under the condition of carbon dioxide(CO2)inrush as an example,this paper focuses on the CO2 gas inrush in the process of tunnel construction,and adopts comprehensive measures from six aspects of"measurement,ventilation,detection,blocking,drainage and prevention"to ensure that the toxic and harmful gases in the tunnel can be effectively prevented and controlled,the construction can be carried out smoothly,and the life safety of the construction personnel can be guaranteed.After taking comprehensive measures,the construction environment meets the management requirements and standards of the safety unit,and meets the requirements of local occupational health and safety;the emergency tunnel and the parallel tunnel boring machine(TMB)tunnel are successfully completed,and the construction environment meets the technical requirements.
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