Search for PARI Report/Technical Note
Motion Characteristics of Floating Structure Moored by Hybrid Type Fender - A Report on Information Backup Center by Megafloat -
Port and Airport Research Institute 041-04-02
December, 2002
Offshore Structures Division
Kazuhiro IIJIMA,Satoru SHIRAISHI,Hirakazu SATOH
Wide variety of fender products has been proposed. They can be roughly classified into two categories. One is buckling type fende...
Development of A Model on Deterioration Progress for RC Deck of Open Type Wharf
Port and Airport Research Institute 041-04-01
December, 2002
Materials Division
Kenichi KOMURE,Hidenori HAMADA,Hiroshi YOKOTA,Toru YAMAJI
Recently, it is pointed out that RC structures are deteriorated by chloride attack. Deterioration by chloride attack causes the c...
A Study on Durability Enhancement of Marine Structures Covered with Marine Aquatic Fouling Organisms
Port and Airport Research Institute 041-03-03
September, 2002
Materials Division
Hiroko WATANABE,Mitsuyasu IWANAMI,Hidenori HAMADA,Hiroshi YOKOTA
In Japan, the island country, many concrete structures are located under marine environment.These structures are exposed in sever...
Dynamics of dissolved oxygen in an estuary -Analysis based on monitoring data obtained in the lower reaches of a rivermouth barrage of the Nagara River-
Port and Airport Research Institute 041-03-02
September, 2002
Coastal Ecosystems Division
Yoshiyuki NAKAMURA,Hideharu KURIKI,Tomoaki FUJINO
Dynamics of dissolved oxygen(DO) of the bottom layer in the lower reaches of a rivermouth barrage of the Nagara River was investi...
Liquefaction of Loose Deposited Sandbed due to Ocean Wave
Port and Airport Research Institute 041-03-01
September, 2002
Kojiro SUZUKI,Shigeo TAKAHASHI
A series of experiments were conducted to examine wave-induced liquefaction in a loosely packed sandbed, which was specifically u...
Vision Supplement for Grasping in Unclear Underwater Using AR
Port and Airport Research Institute 041-02-06
June, 2002
Control System Division
Makoto UTSUMI,Taketsugu HIRABAYASHI,Muneo YOSHIE
In construction of harbor, most works depend on divers. These works are very hard and dangerous.Considering the efficiency and sa...
Study on Applicability of Permeable Grouting Method to Countermeasure against Liquefaction
Port and Airport Research Institute 041-02-05
June, 2002
Soil Dynamics Division
Hiroyuki YAMAZAKI,Kouki ZEN,Kensuke KAWAMURA
This paper describes the study of the permeable grouting method as a liquefaction countermeasure using actual execution data and ...
Study on Design Method for Densification of Sandy Deposits by Sand Compaction Pile Method
Port and Airport Research Institute 041-02-04
June, 2002
Soil Mechanics and Geo-Environment Division
Hiroyuki YAMAZAKI,Yoshiyuki MORIKAWA,Fumikatsu KOIKE
The sand compaction pile method is the most frequently used methods as a countermeasure against liquefaction of sandy deposits. Th...
Evaluation of structure and mechanical properties of Pleistocene clay in Osaka Bay
Port and Airport Research Institute 041-02-03
June, 2002
Soil Mechanics and Geo-Environment Division
Takashi TSUCHIDA,Yoichi WATABE,Min-Soo KANG
In recent years, as the scale of structures has been enlarged and the construction works have been carried out in deeper sea area...
Investigation of the Typhoon Pressure and Wind Field with Application for Storm Surge Estimation
Port and Airport Research Institute 041-02-02
June, 2002
Storm Surge and Tsunami Division
Albena VELTCHEVA,Hiroyasu KAWAI
The models for estimating storm surge in shallow water regions require as input a realistic atmospheric forcing in the typhoons. ...
A Complex Principal Component Analysis on Medium-term Morphological Behavior of an Exposed Sandy Beach before Gamo Lagoon at Sendai Coast, Japan
Port and Airport Research Institute 041-02-01
June, 2002
Yusuke UCHIYAMA,Yoshiaki KURIYAMA
Principal component analysis (PCA) and complex PCA (CPCA) are applied to examine medium-term morphological behavior of a sandy bea...
Factors Affecting Nutrient Cycling in lntertidal Sandflats
Port and Airport Research Institute 041-01-03
March, 2002
Tomohiro KUWAE
The present study aimed to improve our understanding of nutrient cycling in intertidal sandflats. Special emphasis was placed on t...
Settlement Failure of Wave Dissipating Blocks in front of Caisson Type Breakwater due to Scouring under the Rubble Mound -Field Investigation and Large Scale Experiment-
Port and Airport Research Institute 041-01-02
March, 2002
Kojiro SUZUKI,Shigeo TAKAHASHI,Tadashi TAKANO,Kenichiro SHIMOSAKO
Horizontally composite breakwaters,covered with wave-dissipating concrete blocks,are widely employed in Japan. The weight of thes...
Estimation of Directional Wave Spectrum from HF Oceanic Radar
Port and Airport Research Institute 041-01-01
March, 2002
Hydrodynamics Division
Shoichiro KOJIMA,Noriaki HASHIMOTO,Yuji SATO,Miyuki YOSHIMATSU
Measuring sea surface currents by oceanic radar has reached a practical level, and in fact, many observations of the currents in ...