Study on the cause of brittle fracture during earthquakes in steel bridge bent focusing on stress triaxiality

H. Tamura; E. Sasaki; H. Yamada; H. Katsuchi

Study on the cause of brittle fracture during earthquakes in steel bridge bent focusing on stress triaxiality

H. Tamura, E. Sasaki, H. Yamada, H. Katsuchi

工学研究科・土木工学専攻

研究成果: Conference contribution

抄録

This study analytically investigated on the cause of brittle fracture during the large earthquakes based on the stress triaxiality. The target structure is a steel bridge bent which was fractured during the South Hyogo prefecture Earthquake. In this bent, fracture was started from the weld bead toe exists in corner of the bent. Therefore the effects of weld bead shape were investigated in this study. From the FEM analyses which simulate the stress state under the earthquake, it was revealed that there is a possibility that the brittle fracture occurs due to weld bead shape effect which generates the high stress triaxiality at the fracture origin.

本文言語	English
ホスト出版物のタイトル	Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management
ページ	3576-3583
ページ数	8
出版ステータス	Published - 2010 12 1
イベント	5th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2010 - Philadelphia, PA, United States 継続期間: 2010 7 11 → 2010 7 15

出版物シリーズ

名前	Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management

Other

Other	5th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2010
Country	United States
City	Philadelphia, PA
Period	10/7/11 → 10/7/15

ASJC Scopus subject areas

Safety, Risk, Reliability and Quality
Building and Construction

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引用スタイル

Tamura, H., Sasaki, E., Yamada, H., & Katsuchi, H. (2010). Study on the cause of brittle fracture during earthquakes in steel bridge bent focusing on stress triaxiality. In Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management (pp. 3576-3583). (Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management).

Study on the cause of brittle fracture during earthquakes in steel bridge bent focusing on stress triaxiality. / Tamura, H.; Sasaki, E.; Yamada, H.; Katsuchi, H.

Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management. 2010. p. 3576-3583 (Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management).

研究成果: Conference contribution

Tamura, H, Sasaki, E, Yamada, H & Katsuchi, H 2010, Study on the cause of brittle fracture during earthquakes in steel bridge bent focusing on stress triaxiality. in Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management. Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management, pp. 3576-3583, 5th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2010, Philadelphia, PA, United States, 10/7/11.

Tamura H, Sasaki E, Yamada H, Katsuchi H. Study on the cause of brittle fracture during earthquakes in steel bridge bent focusing on stress triaxiality. In Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management. 2010. p. 3576-3583. (Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management).

Tamura, H. ; Sasaki, E. ; Yamada, H. ; Katsuchi, H. / Study on the cause of brittle fracture during earthquakes in steel bridge bent focusing on stress triaxiality. Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management. 2010. pp. 3576-3583 (Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management).

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