Search for PARI Report/Technical Note
Long-term Trend in Seasonal Wave Characteristics on Japanese Coast Based on NOWPHAS Data
Port and Airport Research Institute 1241
December, 2011
Katsumi SEKI,Hiroyasu KAWAI,Makoto SATOH,Koji KAWAGUCHI
The wave observation on the Japanese coast through the Nationwide Ocean Wave information network for Ports and HArbourS (NOWPHAS)...
Study on Liquefaction of Soil subjected to Seismic Motion in The 2011 off The Pacific Coast of Tohoku Earthquake
Port and Airport Research Institute 1242
December, 2011
Soil Dynamics Group
Hiroyuki YAMAZAKI,Yusuke GOTOH
The continuation time of the seismic motion in the 2011 off the Pacific coast of Tohoku Earthquake was extraordinary long, more t...
Annual Report on Strong-Motion Earthquake Records in Japanese Ports (2010)
Port and Airport Research Institute 1243
December, 2011
Engineering Seismology Group
Atsushi NOZU,Atsushi WAKAI
Since 1962, strong ground motions and earthquake responses of structures have been observed in the major ports in Japan. By the e...
Characteristics of Ground Motions at Damaged Ports during the 2011 Great East Japan Earthquake Disaster
Port and Airport Research Institute 1244
December, 2011
Engineering Seismology Group
Atsushi NOZU,Atsushi WAKAI
After a large earthquake, it is quite important to estimate strong ground motions at the site of damaged port structures to analy...
Study on the long-term durability of semi-selfcompacting concrete under marine environments
Port and Airport Research Institute 1245
December, 2011
Materials Group
Toru YAMAJI,Hideharu NAITOH,Takashi HABUCHI,Eiji SUEOKA,Osamu KIYOMIYA
Semi-selfcompacting concrete (with a water-to-cement ratio of around 40% and a slump flow of around 500 mm) was widely used as fi...
A Study on the Highly Operable Viscous Oil Skimming System in Emergency
Port and Airport Research Institute 1246
December, 2011
Sensing and System Technology Group
Muneo YOSHIE
NAKHODOKA oil spill in January, 1997 was the unprecedented serious disaster casused damages of around 36 billion yen as a result....
The New Technique with Solar Radiation Reflective Pavement under Heavy Aircraft Loadings
Port and Airport Research Institute 1240
September, 2011
Pavement Group
Ryota MAEKAWA,Naoya KAWAMURA,Futoshi KAWANA
In some airports which have a great number of air transportation, pavement maintenance and repair works should be conducted within...
Oil Spill Incident in Gulf of Mexico
Port and Airport Research Institute 1239
September, 2011
Director for Special Research
Tetsuya SHIRAISHI,Isamu FUJITA,Yoshitaka MATSUZAKI
On April 20th in 2010, an oil drilling rig had exploded and blazed up in Gulf of Mexico. Two days later, the rig had sunk in sea, ...
Field Investigation on Applicability of Gravity Drainage System
Port and Airport Research Institute 1238
September, 2011
Coastal and Estuarine Sediment Dynamics Group
Shin-ichi YANAGISHIMA
Field measurements on topography and groundwater level were conducted on the Nijigahama and Matsuzaki coasts in Japan, where the g...
Response of benthic phosphorus dynamics to oxygen supply
Port and Airport Research Institute 1237
September, 2011
Research Director (Coastal Environment Analysis)
Tetsunori INOUE,Yoshiyuki NAKAMURA,Yasushi SEIKE,Kazuyasu AYUKAWA,Shogo SUGAHARA
Short-term dynamics of soluble reactive phosphorus (SRP) transport across the sediment surface in a brackish lake due to discontin...
A Study on Unmanned Underwater Operation Systems in Coastal Work
Port and Airport Research Institute 1236
September, 2011
Sensing and System Technology Group
Toshinari TANAKA
Various and detailed work are required on the construction work site. Because most the work are actions on natural objects under n...
Development and Verification of Coastal Medium Size Wind Power System and its Application to Local Wind Energy Utilization for Ports and Harbors
Port and Airport Research Institute 1234
June, 2011
Distinguished Researcher
Toshihiko NAGAI,Satoru SHIRAISHI,Kojiro SUZUKI,Yoji TANAKA,Izumi USHIYAMA,Yoshifumi NISHIZAWA,Masao HOSOMI,Ruka OGAWA
This note introduces results of 3 years cooperative research among the Port and Airport Research Institute, Ashikaga Institute of ...
Properties of Concrete with High Volume Slag Fine Aggregate
Port and Airport Research Institute 1233
June, 2011
Structual Mechanics Group
Yuichiro KAWABATA,Mitsuyasu IWANAMI,Ema KATO
It is important to mix slag fine aggregate in concrete from the viewpoint of benefiticial utilization of industrial by-products an...
Study on the performance-based evaluation method for the durability of concrete structures under marine environments
Port and Airport Research Institute 1232
June, 2011
Toru YAMAJI
The purpose of this study is to establish the performance-based evaluation method for the durability of concrete structures under ...
Field Survey on the 2010 Mentawai Tsunami Disaster
Port and Airport Research Institute 1235
June, 2011
Asia-Pacific Center for Coastal Disaster Research (APaC-CDR)
Takashi TOMITA,Taro ARIKAWA,Kentaro KUMAGAI,Daisuke TATSUMI,Gyeong-Seon YEOM
An earthquake of Mw 7.7 occurred in the Indian Ocean off the southern part of Sumatra Island (3.5° S and 100.1° E) around 21:42 lo...
Urgent Survey for 2011 Great East Japan Earthquake and Tsunami Disaster in Ports and Coasts
Port and Airport Research Institute 1231
April, 2011
Asia-Pacific Center for Coastal Disaster Research (APaC-CDR)
Shigeo TAKAHASHI,Kazuhiko TODA,Yoshiaki KIKUCHI,Takahiro SUGANO,Yoshiaki KURIYAMA,Hiroyuki YAMAZAKI,Takashi NAGAO,Ken-ichiro SHIMOSAKO,Takashi NEGI,Jinkatsu SUGENO,Takashi TOMITA,Hiroyasu KAWAI,Yasuhiro NAKAGAWA,Atsushi NOZU,Osamu OKAMOTO,Kojiro SUZUKI,Yo
The Great East Japan Earthquake broke off the coast of northern Japan at 14:46 JST on Friday, 11 March 2011 with 9.0-magnitude and...
Fundamental Study on Durability of Hat-Type Steel-Sheet-Pile Protected by Heavy Duty Coating
Port and Airport Research Institute 1230
March, 2011
Yoshikazu AKIRA,Toru YAMAJI,Mitsuyasu IWANAMI,Noriyoshi HARATA,Nobuki YOSHIZAKI,Masatsugu MURASE,Isao SAITO,Takayuki KAMIMURA,Takuya KITAMURA
Hat-type steel-sheet-pile enables to improve drivability, structural reliability and economical merit compared with traditional U-...
Annual Report on Nationwide Ocean Wave Information Network for Ports and Harbours (NOWPHAS 2009)
Port and Airport Research Institute 1226
March, 2011
Hiroyasu KAWAI,Makoto SATOH,Koji KAWAGUCHI,Katsumi SEKI
Since 1970, the Ports and Harbours Bureau, Ministry of Land, Infrastructure, Transport and Tourism and its associated organization...
Experimental Study on Energy Dissipation at Rubble Mound Breakwater
Port and Airport Research Institute 1229
March, 2011
Katsumi SEKI,Taro ARIKAWA,Masahiro MIZUTANI,Katsuya HIRAYAMA
Rubble mound breakwater is a coastal structure that defends the coastal area by dissipating wave energy when an incident waves pas...
Estimation of Tsunami Source and Numerical Simulation for 2010 Chilean Tsunami
Port and Airport Research Institute 1228
March, 2011
Asia-Pacific Center for Coastal Disaster Research (APaC-CDR)
Daisuke TATSUMI,Takashi TOMITA
The present study aims to estimate the tsunami source of 2010 Chilean Tsunami by the tsunami waveform inversion. The tsunami profi...