CORNER VANE FOR TUNNEL VENTILATION FACILITY AND METHOD OF INSTALLING THE SAME

摘要

PROBLEM TO BE SOLVED: To improve workability of a corner vane that tunnel ventilation facilities for automobile include.SOLUTION: A corner vane 1 for tunnel ventilation facilities includes: a plurality of support plates 10 which extend upward and downward; a plurality of first vanes 20 formed arcuately so as to straighten a flow; a plurality of second vanes 28 formed arcuately as well in substantially the same shape as the first vanes; a first support 30 fitted to an upper end part of the support plate and locked to a concrete wall forming a passage; and a second support 40 fitted to a lower end part of the support plate and locked to a concrete floor surface forming the passage. A hole 20a that the support plate penetrates is formed in a widthwise center part of the first vane, and the second vane is arranged between the first vanes which are adjacent in a width direction and fastened with a bolt. The first and second supports couple and support the support plate rotatably with a pin 48.