[VI-387] A basic study on construction method of reinforcing bar for tunnel lining by projection mapping
Keywords:Three-dimensional scanner, Projection mapping, mountain tunnel, hanger, reinforcing bar, computer aided construction
In mountain tunneling, in order to applying mechanical function to tunnel lining, reinforcing bars are constructed in tunnel lining at mine mouth or small soil cover section, etc. Hanging metal tools are used to fix reinforcing bars. Positioning work for the hanging metal tools by a total station and cutting work of joint bars have some problems such as time-consuming and requires more manpower. In order to solve these problems, we are developing a newly installation method of hanging metal tools and reinforcing bars using projection mapping technology. We report the procedure of this method, the examination result of the deviation of a projected image, and the test result in the simulated tunnel.
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