Search for PARI Report/Technical Note
Evaluation Method of Stripping Resistance of Moisture Damaged Asphalt Mixture
Port and Airport Research Institute 1315
December, 2015
Pavement Group
Naoya KAWAMURA,Yoshiyuki MORIKAWA,Futoshi IZU,Yukitomo TSUBOKAWA
This study is to propose a method for evaluation of stripping resistance of stripped asphalt mixture. Two kinds of experiment on ...
Studies on the cathodic protection design in consideration of the soil resistivity and cathodic protection characteristics in seabed soil of the harbor steel structures
Port and Airport Research Institute 1314
December, 2015
Materials Group
Toru YAMAJI,Shinji UTSUNO,Kazuhide YONAMINE,Yoshikazu AKIRA,・Hiroyuki KOBAYASHI,Yoichi WATABE,Michio YOSHIDA,Yuichi MAEZONO,Yoshiyuki KAWASE,Shigeru MATSUMOTO
Cathodic protection has been applied to the immersed zone and buried zone for the port steel structures in Japan. However, the pro...
New approach to geotechnics using micro-focus X-ray CT scanner
Port and Airport Research Institute 1313
December, 2015
Foundations Group
Satoshi MATSUMURA,Takaaki MIZUTANI,Tatsunori SHINONAGA
Visualization of soil behavior can help us to more intuitively understand phenomenon that occurs in ground. X-ray CT scanner can b...
Development of Smartphone-embedded Telemetry Drifting Buoy for Tracking Spilt Oil and its Applications
Port and Airport Research Institute 1312
October, 2015
Oil Spill Response Group
Isamu FUJITA,Yoshitka MATSUZAKI
We developed a new drifting buoy using Android smart phone. The drifting buoy can ct its position using GPS system and also measur...
Measurement Accuracy Improvement and Field Test of The Ultrasonic Non-contact Thickness Gauging Equipment
Port and Airport Research Institute 1311
September, 2015
Sensing and System Technology Group
Kazuhiro SHIRAI, Taketugu HIRABAYASHI, Sayuri MATSUMOTO
The steel port structures, such as the sheet-pile quay wall and the pipe-pile pier, are exposed to a heavily corrosive environmen...
Development of Immediate Transmission System of Strong Ground Motion Data in Japanese Ports
Port and Airport Research Institute 1310
September, 2015
Engineering Seismology Group
Atsushi WAKAI, Atsushi NOZU, Takahiro SUGANO, Yosuke NAGASAKA
The 2011 off the Pacific coast of Tohoku Earthquake occurred on March 11, 2011. By this earthquake, seismic intensity 6+ or 7 were...
Guideline of Blue Carbon (CO₂ absorption and Carbon Sequestration) Measurement Methodology in Port Areas
Port and Airport Research Institute 1309
September, 2015
Coastal and Estuarine Environment Group
Tatsuki TOKORO, Kenta WATANABE, Kazufumi TADA, Tomohiro KUWAE
Carbon sequestration by blue carbon (carbon captured by marine living organisms) in port areas would generate benefits and social...
Damage to Port and Port-related Facilities by the 2011 off the Pacific coast of Tohoku Earthquake
Port and Airport Research Institute 1291
September, 2015
Distinguished Researcher
Shogo MIYAJIMA, Tetsuya KOIZUMI, Masafumi MIYATA, Masahiro TAKENOBU, Kenji SAKATA, Shigeki ASAI, Isao FUKUDA6, Yoshiaki KURIYAMA, Kenichiro SHIMOSAKO, Hiroyuki YAMAZAKI, Takahiro SUGANO, Takashi TOMITA, Atsushi NOZU, Toru YAMAJI,Kojiro SUZUKI, Taro ARIKAW
The 2011 off the Pacific coast of Tohoku Earthquake occurred on March 11, 2011. By this earthquake, seismic intensity 6+ or 7 were...
Applicability of Grid-Type Improvement Method to Ground under Airport Pavement
Port and Airport Research Institute 1308
June, 2015
Earthquake and Structural Dynamics Group
Yousuke OHYA, Eiji KOHAMA, Takahiro SUGANO, Masayuki IMAI, Kunio HIGASHINAKA, Kazuhiro KANEDA, Tsuyoshi HONDA
Most of liquefaction countermeasures for the grounds under airport pavements are constructed during service of the airport facili...
Application of Corrosion Monitoring Sensor to RC Superstructure of Open-Type Wharf
Port and Airport Research Institute 1307
June, 2015
Structural Mechanics Group
Ema KATO, Koji YAMAMOTO, Yuichiro KAWABATA, Mitsuyasu IWANAMI
To ensure the structural performance of RC superstructure of open-type wharf, which is generally located in the severe corrosion e...
Reduction Effect of Supplied Amount of Chloride Ions to Superstructures of Pier by Installation of Curtain Wall for Wave Control
Port and Airport Research Institute 1306
June, 2015
Structural Mechanics Group
Toru YAMAJI, Kenichiro SHIMOSAKO, Daishin HANAOKA, Masahide TAKEDA, Takahiko AMINO, Takashi HABUCHI, Muneo TSUDA
The superstructure of a pier, which is a typical port concrete structure, is located in a very severe environment prone to chlorid...
Annual Report on Nationwide Ocean Wave Information Network for Ports and Harbours (NOWPHAS 2013)
Port and Airport Research Institute 1305
June, 2015
Koji KAWAGUCHI, Tsutomu INOMATA, Katsumi SEKI, Takashi FUJIKI
Since 1970, the Ports and Harbours Bureau, Ministry of Land, Infrastructure, Transport and Tourism and its associated organization...
Development of Measuring System for Buried Steel Pipe Pile Deformation
Port and Airport Research Institute 1304
March, 2015
Sensing and System Technology Group
Sayuri MATSUMOTO, Toshinari TANAKA, Kazuhiro SHIRAI, Muneo YOSHIE, Takaaki MIZUTANI, Kageyoshi KATAKURA
Deformation of buried steel pipe piles by a disaster or change over time etc. may effect the bearing strength of a structure, so i...
A proposal of a ROV for visual inspection of superstructure of open-type wharves and a verification of the operational assistance features through field experiments
Port and Airport Research Institute 1303
March, 2015
Sensing and System Technology Group
Toshinari TANAKA, Ema KATO, Shuji NOGAMI, Taketsugu HIRABAYASHI
Periodic inspection and diagnosis plays a crucial role in the series of maintenance works of port structures. In the general perio...
Annual Report on Strong-Motion Earthquake Records in Japanese Ports (2013)
Port and Airport Research Institute 1302
March, 2015
Engineering Seismology Group
Atsushi NOZU, Yosuke NAGASAKA
Since 1962, strong ground motions and earthquake responses of structures have been observed in the major ports in Japan. In 2013, ...
Damage to Ports and their Surrounding Areas in the Philippines due to Storm Surge and Waves of 2013 Typhoon Haiyan
Port and Airport Research Institute 1301
March, 2015
Environment Information Group
Hiroyasu KAWAI, Taro ARIKAWA, Tadashi ASAI, Kazuhiko HONDA, Takashi FUJIKI, Katsumi SEKI
On November 8, 2013, Typhoon 1330 (hereinafter, T1330), named Haiyan in Asia or Yolanda in the Philippines, crossed the Leyte Gulf...
A simulation model of oil transport on the water surface
Port and Airport Research Institute 1300
March, 2015
Yoshitaka MATSUZAKI
A simulation model was developed to predict spilled oil transport on the water surface using particle tracking method of Port and ...
Failure Mechanism of Mooring Pile System Pontoon by Tsunami
Port and Airport Research Institute 1299
March, 2015
Research Director (Storm Surge Disaster Mitigation)
Taro ARIKAWA, Kunio NAKANO, Arata KIDOSAKI, Kiyoshi SHIMADA, Takashi MIKAMI, Kazuhiro NISHI, Yasuo TSUKAHARA
Many port structures were severely damaged by the tsunami of the Great East Japan Earthquake. Meanwhile, most of the pontoons were...
Stability of the Breakwater with Steel Pipe Piles under Tsunami Overflow
Port and Airport Research Institute 1298
March, 2015
Research Director(Marine Information and Tsunami Engineering Field)
Taro ARIKAWA, Shin OIKAWA, Shunsuke MORIYASU, Katsuhiro OKADA, Ryuta TANAKA, Takaaki MIZUTANI, Yoshiaki KIKUCHI, Akihiko YAHIRO, Kenichiro SHIMOSAKO
In “The 2011 off the Pacific coast of Tohoku Earthquake”, many breakwaters in the coastal areas suffered extensive damage under ts...
Development of Analytical Model for Sand Wave Prediction
Port and Airport Research Institute 1297
March, 2015
Research Director (Beach Process Computing)
Satoshi NAKAMURA
In the Bisan-seto strait channel, the responsible area of the development and maintenance was expanded to 12 times in December 200...