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1〜20 articles out of 35 articles

MAC mopdel for prediction of short-term fate of dumped material from barge

Port and Airport Research Institute      0471

December, 1983

Environment Puriffcation Laboratory
Takeshi HORIE

 Numerical model for short-term fate of dumped material from barge is developed by using MAC method. The model is formulated to ve...

The Damage to Port Faciltities by the 1982 Urakawa-oki Earthquake

Port and Airport Research Institute      0472

December, 1983

Head of Structures Division
Hajime TSUCHIDA,Takamasa INATOMI,Hiroshi UEDA

 Hokkaido area was attacked by the earthquake with magnitude of 7.1, originated 20 km off Urakawa on March 21, 1982. This earthqua...

Estimation of Earthquake Damage Deformation and Cost of Quaywalls based on Earthquake Damage Records

Port and Airport Research Institute      0473

December, 1983

Earthquake Disaster Prevention Laboratory
Tatsuo UWABE

 In order to take an earthquake disaste preparedness effectively, it is necessary to estimate the earthquake damage deformation an...

Estimation Method of Exciting Shock Force from a Response in a Linear Damped Vibration System

Port and Airport Research Institute      0474

December, 1983

Breakwaters Laboratory
Katsutoshi TANIMOTO,Shigeo TAKAHASHI,Yasutoshi YOSHIMOTO

 When very impulsive wave force act on the structure, the response of the measuring system brings forth complicated problems. In t...

Field and Laboratory Investigations of the Tsunami caused by 1983 Nihonkai Chubu Earthquake

Port and Airport Research Institute      0470

November, 1983

Breakwaters Laboratory
Katutsoshi TANIMOTO,Tomotsuka TAKAYAMA,Kazuo MURAKAMI,Shigeru MURATA,Hiroichi TSURUYA,Shigeo TAKAHASHI,Masayuki MORIKAWA,Yasutoshi YOSHIMOTO,Susumu NAKANO,Tetsuya HIRAISHI

 The tsunami caused by the Nihonaki Chubu Earthquake (M=7.7) hit the coasts along the Japan Sea on May 26, 1983. This tsunami took...

Non-linear Analyses of Reinforced Concrete Members by Finite Element Method

Port and Airport Research Institute      0460

September, 1983

Subaqueous Tunnels and Pipelines Laboratory
Hiroshi YOKOTA,Osamu KIYOMIYA

Reinforced concrete structures in deep sea are subjected to large forces of waves, earthquake and so on. Offshore structures must ...

Flocculation of Bentonite in Salt Water (Part 2)

Port and Airport Research Institute      0464

September, 1983


Shigeaki ADACHI

 The soil particles causing turbidity in the sea compose flocs. The behavior of flocs composed in the sea is different from indivi...

A Field Test on the Motion of the Investigation and Observation Ship

Port and Airport Research Institute      0466

September, 1983


Junichi AKIZONO,Tadao NAKAJIMA,Shigeaki ADACHI,Mineo IWASAKI

A field test of ship motion was carried out on the investigation and observation ship OOTORI, of which ship type is Semi-submerged...

Remote Sensing Investigation on Sea Phenomena in Osaka Bay

Port and Airport Research Institute      0468

September, 1983

Costal Obsevation Laboratory
Tomoharu TAKAHASHI,Noriaki HASHIMOTO,Hiroshi SASAKI,Munekazu HIROSE,Kazuteru SUGAHARA

 For the purpose of the application of the Remote Sensing technique to wide observation of sea phenomena,we tried the experimental...

Field Studies on Sedimentation of Dredged Materials in Diked Containment Areas (Part-2)

Port and Airport Research Institute      0462

September, 1983


Yasuo SHIRATORI,Hideo KATO,Takayuki TAKEUCHI

Authors promote research on estimation of SS concentration in the effluent from diked containment areas to be reclaimed. As a part...

Study on the consolidation characteristics of soils and consolidation test methods

Port and Airport Research Institute      0469

September, 1983


Yasufumi UMEHARA

 The use of the constant rate of strain consolidation tests (CRS-test) is proposed in order to evaluate the consolidation characte...

Development of Ultrasonic Prospecting and Inspection Technics for Offshore Underwater Constructions

Port and Airport Research Institute      0463

September, 1983


Sumitaka KIHARA,Kazuhiro SHIRAI

 This report describes the result of preliminary experiment for the development of ultrasonic prospecting and inspection technics ...

Sedimentation of Dredged Material in Diked Containment Area (Part-4)

Port and Airport Research Institute      0465

September, 1983


Yasuo SHIRATORI,Hideo KATO,Takayuki TAKEUCHI

In case of reclamation with pump-dredged soft bottom materials, it is important to estimate the level of Suspended Soild concentra...

Influence of Re-reflection from a Wave Paddle on Irregular Incident Waves

Port and Airport Research Institute      0467

September, 1983

Breakwaters Laboratory
Katsutoshi TANIMOTO,Eiji TOMIDA,Tsutomu MURANAGA

The influence of re-reflection from a wave paddle on irregular incident waves to the model structure is studied theoretically. Th

Corrosion Surveys of Steel Pipe Piles at Komatsujima and Nagoya Harbours

Port and Airport Research Institute      0461

September, 1983


Kazuaki ZEN,Masami ABE

Corrosion surveys of steel pipe piles at Nokyo-pier at Komatsujima Harbour, which had elapsed 17 years, and at 9-gochi pier at Nag...

The Study on APPlication of the limit state design method to PC Port and Harbour Structures

Port and Airport Research Institute      0459

September, 1983


Toshiyuki YOKOI,Nobuaki OHTSUKI

In order to establish the limit state design method as the design method of PC port and harbour structures, we must consider parti...

Strong-Motion Earthquake Records on the 1983 Nipponkai-chubu Earthquake in Port Areas

Port and Airport Research Institute      0458

September, 1983

Earthquake Resistant Struetures Laboratory
Eiichi KURATA,Tetsuo FUKUHARA,Setsuo NODA

This report presents the strong-motion earthquake records of the 1983 Nipponkaichubu earthquake in port areas in Japan. Event data...

Cutting Performance of Rotary Cutter Jointly Equipped with Super High Pressure Water Jets

Port and Airport Research Institute      0457

June, 1983


Tadao NAKAJIMA,Tatsuo TODOROKI

This paper discusses cutting performance of the cutter jointly equipped with super high pressure water jets for mortar blocks when...

Study on the Earthquake-Proof Design based on the analysis of the 1978 Miyaghi-Ken Oki Earthquake.

Port and Airport Research Institute      0449

June, 1983

Design Standard Laboratory
Isao FUKUDA,Kozo SHIBATA,Hidehisa KANEKO,Nobuaki SHIRAISHI,Koichi OHORI

 In the current design of port and harbour structures, Seismic Coefficient Method is used to analyze the seismic effects. The Meth...

Study on the Dimensions of Embankment and Seawall

Port and Airport Research Institute      0448

June, 1983

Design Standard Laboratory
Kozo SHIBATA,Hiroshi UEDA,Koichi OHORI

Design conditions, design sections and other essential dimensions of 489 embankments and seawalls have been studied based on the d...