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1〜20 articles out of 25 articles

Physical and Numerical Test on Applicability of Long Period Wave Absorbing Sea Wall

Port and Airport Research Institute      1093

December, 2004

Wave Division
Tetsuya HIRAISHI

Long period waves with periods of 30 to 300s sometimes cause the large surging motion in mooring cargo vessels due to resonance. T...

A Fundamental Study on Application of Optical Fiber for Health Monitoring of Concrete Structures

Port and Airport Research Institute      1092

December, 2004


Hidenori HAMADA,Toru YAMAJI

In Japan, during recent several decades, great number of civil structures has been constructed.However, many aged structures have ...

Field Measurement of the Effect of Vegetation on Beach Profile Change In the Backshore

Port and Airport Research Institute      1091

December, 2004

Littoral Drift Division
Shin-ichi YANAGISHIMA

Field measurements on vegetation and beach profile in the backshore at the Hasaki coast where the landward wind was predominant sh...

Applicability of Wave Breaking Calculation Method with Quasi-Bore Model

Port and Airport Research Institute      1090

December, 2004

Wave Division
Tetsuya HIRAISHI,Koji MINEMURA

As a wave breaking model in the Boussinesq equation, The quasi-bore model was developed by Hara and Hirayama et al.(2003). This mo...

Examination on Safety Evaluation of Fenders and Mooring Posts Based on Reliability Analysis

Port and Airport Research Institute      1089

December, 2004

Offshore Structures Division
Haruo YONEYAMA,Satoru SHIRAISHI

In late years, a design system of structures has been greatly changed from a conventional specification rule to a performance rule...

Influence of pH and Ca2+ on Solidification of Granulated Blast Furnace Slag and Determination of Design Strength Parameters of the Solidified Slag

Port and Airport Research Institute      1088

September, 2004

Foundations Division
Yoshiaki KIKUCHI,Junji KIMURA,Taka-aki MIZUTANI,Takeshi NAGATOME

The effect of pore water on the solidification of granulated blast furnace slag, called slag hereafter, and the design parameter e...

Study on Constructability of PVA Short Fiber Reinforced Concrete

Port and Airport Research Institute      1087

September, 2004

Structural Mechanics Division
Hajime ITO,Mitsuyasu IWANAMI,Hiroshi YOKOTA

Steel reinforcement is generally embedded in concrete for preventing concrete members from failing brittlely in shear or tension f...

Development of a Self-Sinking Sand Bypassing System Using a Suction Pipe with Holes

Port and Airport Research Institute      1086

September, 2004

Fluid Mechanics Division
Hitoshi NOGUCHI,Yuji FUJITA

Many coastal areas in Japan are in a distressed condition due to beach erosion, making beachpreservation and restoration important...

Fundamental Study on Real-time Prediction of Typhoon-caused Storm Surges in Nearly Closed Bays

Port and Airport Research Institute      1085

September, 2004


Hiroyasu KAWAI,Takashi TOMITA

Real-time prediction of the storm surge at each port and coast is essential to mitigate coastaldisasters. The storm surge ca

ANNUAL REPORT ON STRONG-MOTION EARTHQUAKE RECORDS IN JAPANESE PORTS (2003)

Port and Airport Research Institute      1084

September, 2004

Structural Dynamics Division
Atsushi NOZU,Yoshihide SUZUKI,Yasuko WASADA,Takahiro SUGANO

Since 1962, strong ground motions and earthquake responses of structures have been observed inthe major ports in Japan. By the end...

Investigation on NOx Emission, Local Concentration and Reduction at the Area of Ishigaki Airport

Port and Airport Research Institute      1083

June, 2004

Materials Division
Kenichi KOMURE,Hidenori HAMADA

This report is related to nitrogen oxide (NOx) emission, concentration and reduction at the area of Ishigaki Domestic Airport. Fie...

Tsunami Disasters and Tsunami Characteristics Due to the Tokachi-oki Earthquake in 2003

Port and Airport Research Institute      1082

June, 2004

Storm Surge and Tsunami Division
Takashi TOMITA,Hiroyasu KAWAI,Taro KAKINUMA

The Tokachi-Oki Earthquake in 2003, whose magnitude was 8.0, occurred at 4:50, September26, 2003 (Japan time) and caused a series ...

Study on the application of CADMAS-SURF program to the simulation of the impulsive pressure acting on the structure

Port and Airport Research Institute      1081

June, 2004

Maritime Structures Division
Taro ARIKAWA,Kenichiro SHIMOSAKO

Impulsive wave pressures due to breaking waves and overtopping waves are often much larger than usualwave forces. They can be pred...

Axial Ground Strain Evaluated from Phase Velocity of Surface Waves and Its Comparison with Axial Strain Directly Obtaibed from Array Data

Port and Airport Research Institute      1080

June, 2004

Structural Dynamics Division
Atsushi NOZU,Takahiro SUGANO

To evaluate seismic performance of long buried structures such as buried pipelines and submerged tunnels, it is important to evalu...

Influence of Rebar Corrosion on Structural Performance of RC Beams Subject to Reversed Cyclic Loading

Port and Airport Research Institute      1079

June, 2004

Structural Mechanics Division
Ema KATO,Mitsuyasu IWANAMI,Hiroshi YOKOTA,Koji NAKAMURA,Hajime ITO

The influence of rebar corrosion on the structural performance of RC beams has beenexperimentally studied by performing reversed c...

Sediment budget analysis with aerial photograph and its application

Port and Airport Research Institute      1078

June, 2004

Littoral Drift Division
Yoshiaki KURIYAMA

A Sediment budget analysis with aerial photographs was developed. The longshore sediment transport rates at the side boundaries of...

An Effect of UItrasonic Waves on Cleaning of Emulsified Heavy Fuel Oil

Port and Airport Research Institute      1077

March, 2004

Oil Spill Resonse Division
Eiji SATO,Muneo YOSHIE,Isamu FUJITA

A large amount of heavy fuel oil C was spilled out to the sea in the wreck of Russian tanker Nakhodka in January, 1997, and seriou...

Development and Application of Pneumatic Flow Mixing Method to Reclamation for Offshore Airport

Port and Airport Research Institute      1076

March, 2004

Director of Marine Environment and Engineering Department
Tsuneo SATO

The Central Japan International Airport,which having 3,500m of runway and aiming at 20 millions of passengers in 2025, is under co...

Currents measurement at Tokyo bay entrance using ferry

Port and Airport Research Institute      1075

March, 2004


Kojiro SUZUKI,Hideo KATO

Long term environmental monitoring at Tokyo bay entrance is important in order to control the current and water quality in Tokyo b...

Sediment budget on an intertidal flat at the mouth of the Shirakawa River, Japan

Port and Airport Research Institute      1074

March, 2004

Littoral Drift Division
Yoshiaki KURIYAMA,Koji HASHIMOTO

Sediment budgets on an intertidal flat at the mouth of the Shirakawa River in Kumamoto, Japan, where the averaged offshore wave he...