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Keywords: earthquake
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Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-136
... of the TLP under wave, wind, current or earthquake excitations. Based on this model, the performance of the TLP under extremely harsh environmental conditions is numerically examined. The results show that (1) the developed numerical model is capable of predicting TLP motion responses and tendon tensions...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-492
... at the bottom of the side plate Bending mode fracture of side plate x annular section Side plate Brittle fracture with hydrogen embrittlement Side plate Greatest deformation occurs in this area during a huge earthquake Annular plate Fig. 3 Critical areas for fracture under a severe earthquake...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-506
... TRIP for Evaluating Liquefied Hydrogen Storage Tank Deformation under Huge Earthquake Rintaro Tsuda a, Ritsuki Morohoshia, Noriyuki Tsuchidab and Tomoya Kawabataa a The University of Tokyo, Department of System Innovation Bunkyo, Tokyo, Japan b University of Hyogo, 2167, Shosha, Himeji, Hyogo 671-2280...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-131
... of the bridge (Yang, Zhang and Li, 2021). Therefore, it is particularly important to study the seismic performance of structures under the combined action of scour and earthquake. The general scour depth is usually less than the local scour depth. Melville and Coleman (2000) believe that the general scour...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-355
... qidong county tsunami disaster tsunami source tsunami risk assessment contingency planning tsunami tsunami wave tsunami amplitude inundation risk management disaster risk assessment evacuation route china reservoir characterization earthquake disaster prevention scenario...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-352
... ABSTRACT Multiple-point source solution of 2020 Samos M w 7.0 earthquake in Greek was inverted using iterative deconvolution method from near field seismic records. The retrieving results have revealed that Samos M w 7.0 earthquake consisted of at least two subevent with similar normal...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1255
... Abstract An earthquake accompanied by a huge tsunami will wash away not only structures but also many people, leading to an increase in missing people and deaths. It is important to know how the tsunami victims were washed away in order to strengthen tsunami countermeasures in the future...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3194
... time after the earthquake (roughly in 20 minutes). In Kochi Port, a series of coastal protection projects against the tsunami began in FY 2017. This paper presents an overview of the projects with special tsunami countermeasures called “triple-lines of defense together with measures to ensure...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1206
... Abstract In 2019, DNV started a Joint Industry Project called "ACE -Alleviating Cyclone and Earthquake challenges for wind farms". The project was completed in early 2021 and based on the project results, a Recommended Practice (RP) for seismic design of wind turbines and their support...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1237
... turbine tower wind energy equilibrium history tendon renewable energy water depth guyed support structure loading subsea system foundation cable aquila record seismic loading earthquake turbine owt installation deformation Proceedings of the Thirty-first (2021) International Ocean...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1112
... directions, are carried out in detail to find the major factors. Results indicated earthquakes mainly affect the translational motions of the platform and will lead to sharp change in the heave motion due to resonance in the vertical direction. Earthquakes results a sharp change in tether tensions and play...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2229
... ABSTRACT In the near future, the Nankai Trough earthquake is expected to occur in Japan. It may not be received by the rescue and support from the land in the event of a disaster since the Kochi Prefecture is surrounded by steep mountains. Therefore, Kochi Prefecture has placed earthquakeproof...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1202
...) is called ACE which stand for "Alleviating Cyclone and Earthquake challenges for wind farms". The project was kicked off in November 2019 and is expected to run until August 2020. The consortium consists of 20 project partners representing some of the most relevant offshore wind farm developers, wind...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-512
... Engineering, School of Engineering, Tokai University, Hiratsuka, Kanagawa, Japan ABSTRACT In the whole Pacific Ocean, the probability, which a super-great earthquake of Magnitude 9 will occur, is by no means low, like the 1960 Chile earthquake, the 1964 Alaska earthquake, the 2004 Sumatra earthquake...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-409
... ABSTRACT In our previous studies, the estimation method of the steel pile's ultimate strength in the liquefied soil collapsing due to the significant earthquake is suggested. However, there are some cases, in which the steel piles do not fail and can carry the dead load and the additional load...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-682
... A Study on Effects of the Baffles in Reducing Sloshing in a Container under Earthquake Excitation Mi-An Xue 1,2, Yichao Chen1,2, Xiaoli Yuan 3 , Peng Dou 1,2 1 Key Laboratory of Coastal Disaster and Defence of Ministry of Education, Hohai University, Nanjing, Jiangsu Province, China 2 College...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-669
... ABSTRACT In the 2011 Great East Japan Earthquake and Tsunami Disaster, approximately 23 million tons of debris was estimated over wide areas caused by the tsunami damage. Quantitative estimation of tsunami debris is essential from disaster response point of view. In this study, a novel remote...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-707
... Short-wavelength Tsunami Observation Using Deep Ocean Bottom Pressure Gauges Naotaka Yamamoto Chikasada Earthquake and Tsunami Research Division, National Research Institute for Earth Science and Disaster Resilience (NIED) Tsukuba, Ibaraki, Japan ABSTRACT Offshore tsunami records recorded by deep...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-727
... effectively reduce the damage to the retaining walls. KEY WORDS: retaining wall; liquefaction; pile countermeasure; rigidity; numerical analysis; model test INTRODUCTION Many retaining walls, including quay walls, were damaged by the 2011 Tohoku Earthquake off the Pacific coast of Japan; Fig. 1 shows...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-431
.... A database was searched from the information obtained after an earthquake occurred and the case with the most serious damage among cases similar to the information was taken as the predicted tsunami arrival time. As a result, a method of selecting a route that does not encounter the tsunami during...

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