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1〜20 articles out of 23 articles

Computer Graphics of Numerical Simulation of Siltation Using a Three-Dimensional Display System

Port and Airport Research Institute      0743

December, 1992

Hydrodynamics Laboratory
Hiroichi TSURUYA,Hiroshi YOSHINAGA

The present paper deals with computer graphics of simulated outputs by using a three-dimensional display system. This system runs ...

Experimental Study on Wave Forces and Sliding Stability of Dual Cylindrical Caisson -Reproducing Experiment of Field Sliding Test in Sakai Port-

Port and Airport Research Institute      0742

December, 1992

Maritime Structues Laboratory
Shigeo TAKAHASHI,Ken'ichirou SHIMOSAKO,Hitoshi SASAKI

Waves prevent us from utilizing the seas, especially their vast space. The structure named dual cylindrical caisson have been deve...

Future Development Line of Human-conscious Technology for Ports and Harbours -Investigation Group on Human-conscious Technology for Ports and Harbours-

Port and Airport Research Institute      0741

December, 1992

Head of Hydraulic Engineering Division
Katutoshi TANIMOTO,Tomotsuka TAKAYAMA,Shirou FUSHIBE,Koushi SUMIDA,Shigeo TAKAHASHI,Kazumasa KATOUH,Tomoaki GOTOU,Yasuo KASUGAI,Yoshiaki KURIYAMA

As the Japanese society is mature, ports and harbours are required to privide not only the functions of transportation and product...

Experiment Tests on Cathodic Protection by Galvanic Anode System for Reinforced concrete Structures at Marine Environments

Port and Airport Research Institute      0740

September, 1992


Masami ABE,Tsutomu FUKUTE,Hidenori HAMADA,Kouji MIURA

For corrosion prevention method of embedded steel bars in concrete by salt attack of marine concrete structures, a cathodic protec...

Numerical simulation for water quality and coral reef conservation in Naha Port

Port and Airport Research Institute      0739

September, 1992

Environment Puriffcation Laboratory
Yasushi HOSOKAWA

Numerical simulation was conducted for coral reef conservation in port area from the hydraulic point of view. Naha Port in south w...

Development of Ship's Dimensions Database System

Port and Airport Research Institute      0738

June, 1992


Hideo MATSUMOTO,Kenji HAMADA

In planning and designning of port and harbour facilities and other water-front facilities, it is necessary to grasp dimensions an...

Automatic Design System for Embedded Steel Plate Cellular Cofferdam Structure and a few Studies

Port and Airport Research Institute      0737

June, 1992

Design and Construction Technology Laboratory
Hirohumi MORITA,Masato NAKAMICHI,Noboru KUCHIDA

This report presents the system and the design method of the automatic design system for embedded steel plate cellular cofferdam. ...

Model Test on new type of seawall for the reduction of wave over topping rate.

Port and Airport Research Institute      0736

June, 1992


Tomotsuka TAKAYAMA,Naota IKEDA,Yoshihiro TATEISHI

Seven types of seawalls, which are supposed to be effective to reduce wave over-topping even with their lower crown heights, are n...

Laboratory Measurement of Mooring Tensions and Motions of a Tanker in Multi-Buoi Bearth

Port and Airport Research Institute      0735

June, 1992


Tetsuya HIRAISHI,Tomotsuka TAKAYAMA

Construction of an offshore sea-berth equipped with six mooring buoys his been planed in the national oil storage base at Kuji-por...

Behavior of Braced Excavations in Soft Ground

Port and Airport Research Institute      0734

June, 1992

Geotechnical Survey Laboratory
Hiroyuki TANAKA

To construct buried structures, braced excavations are commonly carried out. Behavior of braced excavation is strongly dependent o...

Influence of Remolding of Soil on the Liquid and Plastic Limit Test Results

Port and Airport Research Institute      0733

June, 1992


Fumiko OGAWA,Masaki KOBAYASHI

In order to investigate the influence of the sample preparation on the liquid and plastic limits of soil, results of consistency t...

An Investigation of the Long Term Strength of a Lime Treated Marine Clay

Port and Airport Research Institute      0732

June, 1992


Masaaki TERASHI,Masaki KITAZUME

Deep Mixing Method is a king of in-situ admixture stabilization technique using lime or cement as a stabilizing agent and widely a...

Example of Calculation of Forces and Moments Induced on Pontoon Type Floating Structures and Figures and Tables of Radiation Forces.

Port and Airport Research Institute      0731

June, 1992

Offshore Structures Laboratory
Shigeru UEDA,Satoru SHIRAISHI,Takashi ISHISAKI

Two of authors had presented the calculation method of a vertical shear force and a bending moment induced on a pontoon type float...

Ship Motions Moored to the Symmetric Mooring System and Ship's Berthing Forces act on the Guid Facility to the Mooring System.

Port and Airport Research Institute      0730

June, 1992

Offshore Structures Laboratory
Shigeru UEDA,Satoru SHIRAISHI,Takashi ITAO

For improving the wharf operation efficiency of ports, the symmetric mooring system and the guide facility to the mooring system f...

On the Design of Fenders Based on the Ship Oscillations Moored to Quay Walls.

Port and Airport Research Institute      0729

June, 1992

Offshore Structures Laboratory
Shigeru UEDA,Satoru SHIRAISHI

In the design of fenders, the impact force caused by the oscillation of the moored ship should be taken into account. In this repo...

Mechanical Properties of Flexible Joint between Submerged Tunnel Elements

Port and Airport Research Institute      0728

June, 1992

Structual Mechanics Laboratory
Osamu KIYOMIYA,Takao FUJISAWA,Masao YAMADA,Munetaka HONDA

To know mechanical properties of flexible joint made of the pc cable and the rubber gasket and spring constants of it for seismic ...

Annual Report on Strong-Motion Earthquake Records in Japanese Ports (1991)

Port and Airport Research Institute      0727

June, 1992

Geotechnical Earthquake Engineering Laboratory
Eiichi KURATA,Susumu IAI

The report presents results of strong-motion earthquake observation in Japanese ports in 1991. Strong-motion earthquake observatio...

The Prediction of the Lateral Flow of Port and Harbour Structures

Port and Airport Research Institute      0726

March, 1992


Yasuo KASUGAI,Kenichiro MINAMI,Hiroyuki TANAKA

When the sheet pile quaywall and open-type wharf with vertical piles are constructed on the soft ground, the lateral flow occasion...

A study on the Anti-corrosive Effectiveness of Repairing for Reinforced Concrete Structures Damaged by Salt Attack

Port and Airport Research Institute      0725

March, 1992


Hedenori HAMADA,Tsutomu FUKUTE,Masami ABE

The aim of this study is to evaluate the anti-corrosive effectiveness of some repairing methods for the reinforced concrete struct...

An Attenuation Relation for Strong Earthquake Motions in Japan.

Port and Airport Research Institute      0724

March, 1992

Geotechnical Earthquake Engineering Laboratory
Susumu IAI,Eiichi KURATA,Ken MUKAI

The authors and their colleagues have observed strong earthquake motions in Japanese port areas for 27 years. Number of records re...