Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第VI部門

品質管理 (1)

Tue. Sep 3, 2019 2:55 PM - 4:25 PM VI-11 (幸町総合教育棟 多目的室4)

座長:八朝 秀晃(熊谷組)

[VI-87] Development of automatic drilling position extraction system in post-construction shear reinforcement method

*田邉 裕之1、郭 勝華1、浜松 慎一1、堺 浩一2、小出 信義3 (1. 奥村組、2. パスコ、3. 日本下水道事業団)

Keywords:Post-construction Shear reinforcement, Best-Grout-Bar, UAV, Ortho photo data, Three-dimensional data, Automatic extraction

When adopting a post-construction shear reinforcement method for seismic reinforcement of a sewerage treatment facility, a large number of buildings are often constructed. Although management of the drilling position for inserting a shear reinforcement bar is an important element in securing quality, it is a huge work to do by human power. We developed the following method to measure the drilling position efficiently.
(1) Create high-precision image data by photogrammetry
(2) Automatically extract the drilling position from the image and automatically create the finished form management table

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