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Characteristics of Measured Pre-Tsunami Dynamic Seabed Pressure Records Obtained from the NOWPHAS Coastal Wave Gauges
Port and Airport Research Institute 1189
December, 2008
Managing Director for Research Affairs
Toshihiko NAGAI,Atsushi NOZU,Hiroyasu KAWAI,Makoto SATO
Establishing offshore tsunami monitoring network system is an urgent task for countries facing ocean. Up to present, the tsunami-...
On systematization of designs of offshore structures with water amenity-oriented functions
Port and Airport Research Institute 1188
December, 2008
Director of Construction and Control System Department
Akihiko YAHIRO
Many offshore structures such as breakwater and seawall have been designed and constructed mainly to get calmness by reducing hug...
Soil-Water Coupled Analysis of Soil Behavior under Breakwater during Wave Action
Port and Airport Research Institute 1187
December, 2008
Kazuhiro KANEDA,Hiroyuki YAMAZAKI,Kenji NAGANO
Soil-water coupled finite deformation analysis, for finding soil deformation and collapse, of soil behavior under breakwater duri...
Oil Spill Incident at Taean in South Korea
Port and Airport Research Institute 1186
December, 2008
Oil Spill Responce Group
Isamu FUJITA,Akihiko YAHIRO,Tomohiro KUWAE,Muneo YOSHIE
On December 7th in 2007, a Hong Kong-registered VLCC Hebei Spirit (146,848GT) was struck by a crane barge approximately eight kil...
Research and Development of an Improvised Heavy Oil Recovery System for Work Vessels
Port and Airport Research Institute 1185
December, 2008
Muneo YOSHIE,Isamu FUJITA,Kenji TAKEZAKI
Development of economic activity in Far East increases the number of vessels going around Japan. So oil spill in wrecking at sea i...
ANNUAL REPORT ON STRONG-MOTION EARTHQUAKE RECORDS IN JAPANESE PORTS (2007)
Port and Airport Research Institute 1184
September, 2008
Earthquake and Structual Dynamics Group
Atsushi NOZU,Takahiro SUGANO
Since 1962, strong ground motions and earthquake responses of structures have been observed in the major ports in Japan. By the en...
Development of High Durable Grouting Materials for Injection beneath Airport PC Pavement
Port and Airport Research Institute
September, 2008
Director of Geotechnical and Structural Engineering Department
1183
World-wide globalization of aircraft transportation has promoted to construct new airports or to expand current airports for aimin...
Numerical Analysis of Liquefaction of Soil Deposit during Earthquake Considering Pore Water Pressure Dissipation
Port and Airport Research Institute 1182
September, 2008
Hiroyuki YAMAZAKI,Kazuhiro KANEDA,Kenji NAGANO
Assessment of liquefaction of sandy deposits during an earthquake is an important item in the design of port and airport facilitie...
Fundamental Study on the Failure Process of Ground Composed of Sand Piles and Cohesive Soil
Port and Airport Research Institute 1181
September, 2008
Hidenori TAKAHASHI
Clay ground improved by the sand compaction pile (SCP) method is a composite of compacted sand piles and a soft clay layer. This t...
Study on Corrosion Resistant Property of Stainless Steel Bars in Concrete under Marine Environment
Port and Airport Research Institute 1176
June, 2008
Toru YAMAJI
For the application to port reinforced concrete structures under marine environment,corrosion-resistant property of three types of...
Relationship between sediment quality and benthic macrofauna in Japanese ports and
Port and Airport Research Institute 1174
June, 2008
Coastal and Estuarine Environment Research Group
Ryoji NAITO,Yoshiyuki NAKAMURA,Taro URASE
In order to obtain basic information on potential adverse effects of trace chemicals onto benthic fauna, a nationwide survey of se...
Development of Medium Size Wind Power System and its Application to Coastal Areas
Port and Airport Research Institute 1180
June, 2008
Director of Marine Environment and Engineering Department
Toshihiko NAGAI,Kojiro SUZUKI,Izumi USHIYAMA,Yoshifumi NISHIZAWA,Masao HOSOMI,Ruka OGAWA,Hitoshi NOGUCHI
In general, wind energy in coastal area is larger than in inland area. Demand of electric power is also large in coastal area. Eve...
Report of Field Survey on 2007 Solomon Islands Tsunami
Port and Airport Research Institute 1179
June, 2008
Takashi TOMITA,Taro ARIKAWA,Daisuke TATSUMI,Kazuhiko HONDA,Hiroshi HIGASHINO,Kazuya WATANABE
At 7:40 on April 2nd, 2007, a M8.1 earthquake and its-inducedtsunami occurred in the west of Solomon Islands. Disasters due to the...
Experiment on Reduction of wave Overtopping Rate by Seawall with Double Parapet and Permeable Layer
Port and Airport Research Institute 1178
June, 2008
Wave Division
Eiji SAITOH,Tetsuya HIRAISHI
Various damages like break of seawalls, inundation on patrol roads and floods in buildings in the Japanese offshore airports are o...
Observation of the Plugging Phenomenon in a Vertically Loaded Open-ended pile
Port and Airport Research Institute 1177
June, 2008
Foundations Division
Yoshiaki KIKUCHI,Takahiro SATO,Yoshiyuki MORIKAWA
The mechanism of the plugging phenomenon at the tip of vertically loaded open-ended piles was elucidated in this study by using a ...
Simulation of Strong Ground Motions Based on Site-specific Amplification and Phase Characteristics - Accounting for Causality and Multiple Nonlinear Effects -
Port and Airport Research Institute 1173
March, 2008
Structural Dynamics Division
Atsushi NOZU,Takahiro SUGANO
The Strong motion simulation technique using site-specific amplification and phase characteristics was originally proposed by Kowa...
Annual Report on Nationwide Ocean Wave information network for Ports and HArbourS ( NOWPHAS 2006 )
Port and Airport Research Institute 1172
March, 2008
Marine Information Division
Katsuyoshi SHIMIZU,Makoto SASAKI,Toshihiko NAGAI
Since 1970, the Port and Airport Research Institute (PARI) has been cooperating with the Bureau of Ports and Harbours, Ministry of...
Fundamental Study on Effect of Coastal Forest to Mitigate Tsunami Force
Port and Airport Research Institute 1171
March, 2008
Wave Division
Tetsuya HIRAISHI
The Indian Ocean Tsunami in 2004 induced gigantic tsunami hazards in the coastal areas. Meanwhile the effects of coastal forest (g...