2022 年 42 巻 3 号 p. 190-195
The unmanned aerial vehicle (UAV) green laser uses laser light in the green wavelength band, which passes through water. Therefore, it is a measurement technology that can efficiently measure point clouds in water areas such as rivers and lakes and in land areas on the surface of the earth at the same time. Currently, it is being used in fields such as river surveying and harbor structure maintenance.
To date, there has been almost no use of this technology at construction sites, and there has been little progress in the selection of types of work that can make effective use of this technology or in the development of measurement skills on site.
In order to utilize the integrated data of water and land areas measured by UAV green laser at construction sites, the measurable conditions must be clarified, as must the measurement accuracy in groundbreaking survey and finished survey in each area. Therefore, in this study, we first determined the measurement accuracy of the UAV green laser in land and water areas, and then verified its applicability to the groundbreaking survey and the finished survey in construction areas.