| Based on "Research on the ventilation technology of Oinling Zhong-nanshan extra-long highway tunnel" this paper perfects well the network ventilation theories of highway tunnel, builds up the network model of Qinling Zhong-nanshan extra-long highway tunnel's ventilation system, confirms the boundary conditions of this network model, uses the calculational and simulative procedures which are studied by us to calculate the need of wind and fans'pressure in the tunnel in different conditions, accordingly, builds up the characteristic curve of fans in the tunnel and carry on the simulation of work complexion of fans. The paper puts forward a method for the feasible linear solution of the traffic to cope with the continuous variation of traffic and traffic composition of Oinling Zhong-nanshan extra-long highway tunnel in different work complexion of fans and advances advices to fans'control. |
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