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Characteristics of Seismic Damage of Buildings: Constraints from Tilt Photography Technology
LIU Jun1,2, SHUAI Xianghua3, HONG Zhonghua4, TAN Ming2, ZHAO Shuo1, YAO Yuan1, ZHANG Meng1, LI Shijie1
1.Guizhou Earthquake Agency, Guiyang 550000, China;2.Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China;3.China Earthquake Networks Center, Beijing 100045, China;4.Shanghai Ocean University, Shanghai 201306, China
摘要:
In this paper, the tilt photography data acquisition and three-dimensional modeling of the Tashkurgan MS5.5 earthquake in Xinjiang are conducted using the tilt photography system of the Rotor UAV. The three-dimensional model is used to interpret the earthquake damage on buildings in the mega-earthquake area in order to acquire different-level house damage in the Kuzirun village disaster area. In addition, the characteristics of seismic damage on typical buildings are analyzed. The results show that the main collapsed houses in the mega-earthquake area are sand-stone buildings, of which about 39% are sand-stone buildings. Several brick-wood buildings and brick-concrete buildings are seriously damaged, while the buildings with frame structures are mainly slightly damaged, and the houses near the macro-epicenter of the earthquake are all in good conditions. Three-dimensional tilt photography technology can vividly display the scene of earthquake disaster, and can provide significant demonstration in building damage degree together with detailed analysis of disaster situation.
关键词:  Tashkurgan MS5.5 earthquake  UAV technology  Tilt photography  Earthquake emergency  Building damage
DOI:10.19743/j.cnki.0891-4176.202002004
分类号:
基金项目:This project is sponsored by the National Key R & D Program (2017YFC150090501) and Seismological Science and Technology Spark Program (XH20052).
Characteristics of Seismic Damage of Buildings: Constraints from Tilt Photography Technology
LIU Jun1,2, SHUAI Xianghua3, HONG Zhonghua4, TAN Ming2, ZHAO Shuo1, YAO Yuan1, ZHANG Meng1, LI Shijie1
1.Guizhou Earthquake Agency, Guiyang 550000, China;2.Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China;3.China Earthquake Networks Center, Beijing 100045, China;4.Shanghai Ocean University, Shanghai 201306, China
Abstract:
In this paper, the tilt photography data acquisition and three-dimensional modeling of the Tashkurgan MS5.5 earthquake in Xinjiang are conducted using the tilt photography system of the Rotor UAV. The three-dimensional model is used to interpret the earthquake damage on buildings in the mega-earthquake area in order to acquire different-level house damage in the Kuzirun village disaster area. In addition, the characteristics of seismic damage on typical buildings are analyzed. The results show that the main collapsed houses in the mega-earthquake area are sand-stone buildings, of which about 39% are sand-stone buildings. Several brick-wood buildings and brick-concrete buildings are seriously damaged, while the buildings with frame structures are mainly slightly damaged, and the houses near the macro-epicenter of the earthquake are all in good conditions. Three-dimensional tilt photography technology can vividly display the scene of earthquake disaster, and can provide significant demonstration in building damage degree together with detailed analysis of disaster situation.
Key words:  Tashkurgan MS5.5 earthquake  UAV technology  Tilt photography  Earthquake emergency  Building damage