| 摘要 |
PROBLEM TO BE SOLVED: To enable ventilation control to be performed without delay even to a changing state during a transition period of traffic condition, and to enable the environment around a tunnel to be improved.SOLUTION: A tunnel ventilation control method includes the steps of: predicting a traffic volume and an average speed of vehicles in a tunnel; predicting the number of vehicles existing in the tunnel from a result of the above-described step; calculating a generation amount of a harmful substance in the tunnel by using the prediction result of the number of existing vehicles and a generation amount of the harmful substance per vehicle; calculating a distribution status of the harmful substance at a tunnel branch and a junction part from a calculation result of the harmful substance and an air flow speed measurement value in the tunnel; calculating a leaking-out amount of the harmful substance by using the calculation result of the distribution status of the harmful substance in the tunnel and the leakage rate of the harmful substance; calculating a target of air flow of ventilation equipment to make the leaking-out amount of the harmful substance equal to or less than a control target value by using the calculation result of the leaking-out amount of the harmful substance and the control target value of the leaking-out amount; and setting the target to the ventilation equipment. |
