Development of 3D Scanning System Using Automatic Guiding Total Station
Ken Endou*, Takafumi Ikenoya*, and Ryo Kurazume**
*Institute of Technology, Tokyu Construction Co., Ltd., 3062-1 Tana, Chuo-ku, Sagamihara, Kanagawa 252-0244, Japan
**Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
Techniques for creating 3D shape model are expected to be applied to as-built management for structures under construction. However, common techniques currently widely used, still have lacks in usability and accuracy, hence still haven’t reached the stage of actual use in the field. Due to the above circumstance, the authors have developed a 3D tunnel shape scanning system that uses a moving platform and auto tracking total station. The system provides improved usability and accuracy. Using the developed system, we have carried out a verification experiment in a mock tunnel, and we confirmed the possibility of real-time evaluation and the system’s measuring accuracy under actual conditions. We also carried out measurements on three actual tunnel sites. We confirmed that it is fully capable of measurements not only in favorable environments but also in harsh environments, such as in tunnels that are under construction.
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