西藏定日6.8级地震房屋震害特征调查

张钰曼; 邱虎; 叶阳; 和枫; 次仁多吉; 魏本勇

doi:10.3799/dqkx.2025.119

Volume 50 Issue 8

Aug. 2025

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Zhang Yuman, Qiu Hu, Ye Yang, He Feng, Duoji Ciren, Wei Benyong, 2025. Seismic Damage Characteristics Investigation of Dingri Ms6.8 Earthquake in Xizang. Earth Science, 50(8): 3301-3315. doi: 10.3799/dqkx.2025.119

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Zhang Yuman, Qiu Hu, Ye Yang, He Feng, Duoji Ciren, Wei Benyong, 2025. Seismic Damage Characteristics Investigation of Dingri M_s6.8 Earthquake in Xizang. Earth Science, 50(8): 3301-3315. doi: 10.3799/dqkx.2025.119

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Seismic Damage Characteristics Investigation of Dingri M_s6.8 Earthquake in Xizang

doi: 10.3799/dqkx.2025.119

Zhang Yuman^{1
,
,},
Qiu Hu²,
Ye Yang³,
He Feng¹,
Duoji Ciren¹,
Wei Benyong^{4, 5
,
,
,}

1.
Xizang Autonomous Region Earthquake Bureau, Public Service Center, Lhasa 850000, China
2.
Earthquake Administration of Tianjin Municipality, Tianjin 300201, China
3.
Earthquake Administration of Yunnan Province, Kuming 650224, China
4.
Key Laboratory of Seismic and Volcanic Hazards, China Earthquake Administration, Beijing 100029, China
5.
Institute of Geology, China Earthquake Administration, Beijing 100029, China

Received Date: 2025-03-12
Publish Date: 2025-08-25

Abstract

Abstract

In order to study the Seismic damage mechanism.Based on the field investigation, it was found that the seismic damages of adobe-timber structures are collapse, partial collapse, cracking on walls, damage to timber parts, frame structure occured collapse, the damage to the beams and columns is rare and light, and the seismic damage mainly occurred in infilled walls.Masonry structures occured partial collapse, the joints of bottom frame structures were seriously damaged, shear damage to walls.The result shows that adobe-timber structures exist vertical rigidity irregular, plane rigidity irregular, poor integrity of wall, etc.Frame structures exit the construction quality problem like lack of tie bar, low reinforcement ratio in columns and poor quality of concrete.Masonry structures also exit construction quality problems, such as low mortar strength, lack of seismic measures, etc.At the end of this article, some suggestions about the buliding defects are provided in order to provide ideas for reinforcement and reconstruction.
- The magnitude 6.8 earthquake in Dingri, Xizang,
- seismic damage,
- timber-earth structure,
- frame structure,
- Masonry Structure,
- earthquake

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References(44)

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Seismic Damage Characteristics Investigation of Dingri Ms6.8 Earthquake in Xizang

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Seismic Damage Characteristics Investigation of Dingri M_s6.8 Earthquake in Xizang