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Seismic Damage to Owner-Built RC Frames in Charikot during the 2015 Nepal Earthquake Sequence
Qu Zhe,Wang Tao,Lin Xuchuan,Zhang Haoyu,Yang Yongqiang
Author NameAffiliation
Qu Zhe Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, CEA, Sanhe 065201, Hebei, China 
Wang Tao Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, CEA, Sanhe 065201, Hebei, China 
Lin Xuchuan Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, CEA, Sanhe 065201, Hebei, China 
Zhang Haoyu Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, CEA, Sanhe 065201, Hebei, China 
Yang Yongqiang Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, CEA, Sanhe 065201, Hebei, China 
摘要:
The damage to the masonry-infilled reinforced concrete (RC) frame buildings in Charikot, the capital city of Dolakha district in Nepal, during the 2015 April-to-May Nepal earthquake sequence is reported. Most of these buildings were built by the owners with little governmental inspections regarding their structural design or constructional quality. Although they generally performed better than other structural systems such as stone-masonry houses, the RC frames sustained extensive damage ranging from cracking of infill to complete collapse. In particular, eight of the 72 inspected RC frames alongside an uphill street collapsed in different ways. In addition to the un-engineered nature of these RC frames, their collapse could also be attributed to multiple technical reasons including the effect of terrain, the pounding between adjacent buildings and the accumulative damage in the earthquake sequence.
关键词:  Nepal earthquake  Reinforced concrete frame  Masonry infill  Slope  Pounding  Accumulated damage
DOI:
分类号:
基金项目:This work was jointly sponsored by the Scientific Research Fund of Engineering Mechanics,China Earthquake Administration(2016A05) and the grant from the National Natural Science Foundation of China (51478441).
Seismic Damage to Owner-Built RC Frames in Charikot during the 2015 Nepal Earthquake Sequence
Qu Zhe,Wang Tao,Lin Xuchuan,Zhang Haoyu,Yang Yongqiang
Abstract:
The damage to the masonry-infilled reinforced concrete (RC) frame buildings in Charikot, the capital city of Dolakha district in Nepal, during the 2015 April-to-May Nepal earthquake sequence is reported. Most of these buildings were built by the owners with little governmental inspections regarding their structural design or constructional quality. Although they generally performed better than other structural systems such as stone-masonry houses, the RC frames sustained extensive damage ranging from cracking of infill to complete collapse. In particular, eight of the 72 inspected RC frames alongside an uphill street collapsed in different ways. In addition to the un-engineered nature of these RC frames, their collapse could also be attributed to multiple technical reasons including the effect of terrain, the pounding between adjacent buildings and the accumulative damage in the earthquake sequence.
Key words:  Nepal earthquake  Reinforced concrete frame  Masonry infill  Slope  Pounding  Accumulated damage