RESEARCH FOR EXTRACTING ROAD EARTHWORK STRUCTURES USING POINT CLOUD DATA BY MMS AND LASER PROFILER

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  • MMSとLPの点群データを用いた道路土工構造物の抽出に関する研究

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<p> In Japan, it is expected to conduct exhaustive maintenance of social infrastructures for roads and rivers since natural disasters, such as typhoons and earthquakes, occur frequently. In the field of roads, it is necessary to prevent the interruption of evacuation routes caused by the collapse of structures generated from road earthworks right after the occurrence of a disaster.</p><p> For this reason, the implementation of specific earthwork inspection for specific road earthwork structures, including high fills and long cut slopes, has been made compulsory. However, it is difficult to manage and grasp the correct locations and detailed present conditions of all the road slopes. In this research, using the point cloud data acquired by MMS or airborne laser surveys and the road alignments, a method for automatically extracting the point cloud data of road slopes is proposed. Then, verification experiments were performed to validate the applicability of the proposed method to the actual construction sites.</p>

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