Search for PARI Report/Technical Note
Effects of Coagulant to Settling Properties of Dredged Material Slurries
Port and Airport Research Institute 0568
December, 1986
Shigeaki ADACHI,Mitsuru KURATANI,Takayuki TAKEUCHI
When very soft soils are dredged and reclaimed by pump dredger, coagulants are often added to dredged material slurries in order t...
Automatic Design System for Bar Arrangement of the Caisson (Part-3) -Revised Design Method-
Port and Airport Research Institute 0567
December, 1986
Automatic Design Laboratory
Michinori YAMANAKA
This report presents the system and the more economical design method of the program for the automatic design system. This is deve...
Investigation of Rheological Properties of Soft Muds with a Rotary Visco-meter
Port and Airport Research Institute 0566
December, 1986
Hydrodynamics Laboratory
Hiroichi TSURUYA,Susumu NAKANO,Jun TAKAHAMA
It is important to investigate the rheological properties of soft muds in considering the transport process of bottom materials in...
Eaarth Pressure Acting on Arch-shaped Sea Wall
Port and Airport Research Institute 0565
September, 1986
Yasuo KASUGAI,Kunio TAKAHASHI
A new type of sea wall with an arch member of concrete has been developed and is called as an arch-shaped sea wall. The arch-shape...
A Study on Estimation of Maritime Traffic Flow among Major Japanese Ports
Port and Airport Research Institute 0563
September, 1986
Koshi SUMIDA
In Japan, huge volume of cargo is transported by ships. Therefore, volume of maritime traffic comes enormous. More than nine milli...
Field Measurement of Stream Reaeration Coefficient Using Gas Tracer
Port and Airport Research Institute 0562
September, 1986
Storm Surge and Tunami Laboratory
Yasushi HOSOKAWA
Using the new gas tracer technique, the stream reaeration coefficient was measured in the field. Ethylene (C2H4) is used as a trac...
One-Dimensional Nonlinear Dynamic Ground Response Analyses
Port and Airport Research Institute 0561
September, 1986
Vibration Laboratory
Takamasa INATOMI,Ikuki YOKOYAMA,Motoki KAZAMA
Nonlinear ground response anaysis based on a lumped mass system representation was applied to the actual site (Daikoku at Yokohama...
Corrosion at the Part of Steel Structure Just Below Concrete Lining in Marine Environments
Port and Airport Research Institute 0560
September, 1986
Head of Structures Division
Toshiyuki YOKOI,Masami ABE
Many of the steel structures in marine environments have concrete linings which cover steel members of the tidal zone to protect t...
An Experimental Study on the Mechanical Properties of Concrete Beams in Water
Port and Airport Research Institute 0559
September, 1986
Nobuaki OHTSUKI,Yasushi OKOSHI,Toshiyuki YOKOI
The purpose of this paper is to investigate the mechanical properties of concrete beams in water quantitatively. For this purpose...
Development of Prediction Methods for Temperature Distribution and Fractured Volume in Granite Under Microwave Radiation
Port and Airport Research Institute 0558
September, 1986
Hidetoshi TAKAHASHI,Hirokazu ISHIHARA,Toshifumi UMETANI,Taketo SHINOHARA
A simulation program was developed which calculates fractured volume of granite from relation between temperature rise and loss in...
Maintenance Method of Coastal Facilities
Port and Airport Research Institute 0557
June, 1986
Kiyoshi AMMA,Tomoo ISHIWATA
It is often observed that coastal facilities are damaged by undesirable impacts resulting from the settlement of structures, destr...
Compilation of Breakwater Structure
Port and Airport Research Institute 0556
June, 1986
Design Standard Laboratory
Shinji KATAOKA,Kazunari SAIDA
The number of profiles of breakwaters exceedes 1300, which have been constructed in major Japanese ports during 21 years from 1965...
Coefficient of Drag and Flow Characteristics of Cylindrical Capsules in Inclined Pipes
Port and Airport Research Institute 0555
June, 1986
Kenji HAMADA,Yoshikuni OKAYAMA,Kazuhiro UKEBA,Yuji NAKAMURA
The transportation system by hydraulic capsule would be applied in the port and harbour area because it has some advantages in the...
Wave Statistics with 15-years Data in the Coastal Wave Observation Network
Port and Airport Research Institute 0554
June, 1986
Kazuteru SUGAHARA,Koji KOBUNE,Hiroshi SASAKI,Noriaki HASHIMOTO,Yutaka KAMEYAMA,Akira NARITA
Since 1970, the Port and Harbour Research Institute has been cooperating with the Bureau of Ports and Harbours, Ministry of Transp...
Pulling Resistance of Block Anchor in Sand
Port and Airport Research Institute 0553
June, 1986
Kunio TAKAHASHI,Yukiharu TOMITA
While anchors are significantly important for floating type structures, neither the anchor resistance against pulling force is med...
Compression Characteristics of General Wastes -General Wastes to Toyama and Tokyo-
Port and Airport Research Institute 0552
June, 1986
Masaaki TERASHI,Masaki KITAZUME
Enormous amount of urban wastes continuously produced by the human activities in the big cities are collected and contained in the...
Deformation of Tsunami in a Continental Shelf and Counter-measure Against Tsunami Run-up by Coastal Structures
Port and Airport Research Institute 0551
June, 1986
Hydrodynamics Laboratory
Hiroichi TSURUYA,Katsutoshi TANIMOTO,Suketo HARANAKA,Kazuo YAMAZAKI,Yoshikuni MATSUNOBU
Experiments were performed in a long wave channel of 163 meters in order to investigate the deformation of tsunami propagating in ...
Fluctuation Characteritstics of Long-period Currents in Tokyo Bay - Investigation by Field Observation Data in the Bay-
Port and Airport Research Institute 0550
June, 1986
Masayuki MORIKAWA,Kazuo MURAKAMI
This paper describes the fluctuation characteristics of long-period components of current which are longer than diurnal period. Fi...
Hydraulic Model Tests on Tsunamis at Suzaki-port
Port and Airport Research Institute 0549
June, 1986
Wave Laboratory
Tomotsuka TAKAYAMA,Tetsuya HIRAISHI
Suzaki -bay located in Sikoku island and facing to the pacific ocean has been damaged by tsunamis several times historicaly. In re...
Study on Quantitative Estimation of Seismic Damage to Gravity Quaywall
Port and Airport Research Institute 0548
June, 1986
Earthquake Disaster Prevention Laboratory
Tatsuo UWABE
Procedures of quantitative estimation of the earthquake damage to the gravity quaywall was studied for the effective prevention of...