Characterization of Joint Sets Through UAV Photogrammetry on Sedimentary Rock Sea Cliffs and Abrasion Platforms in Northern Taiwan

Pei-Chen Hsieh1, An LU1, Chih-Hsiang Yeh1, Wei-Kai Huang2, Hsi-Hung Lin3 and Ming-Lang Lin1, (1)National Taiwan University, Department of Civil Engineering, Taipei, Taiwan, (2)Sinotech Engineering Consultants, Inc., Taipei, Taiwan, (3)Central Geological Survey, MOEA, R.O.C. (Taiwan), Taipei, Taiwan