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21〜32 articles out of 32 articles

Liquefaction at Coastal Area and Performance of a Quaywall during 1987 Off East Chiba Prefecture Earthquake

Port and Airport Research Institute      0616

June, 1988

Earthquake Resistant Struetures Laboratory
Susumu IAI,Takeshi URAKAMI,Yoshitaka MUTOH,Masaki KIKUCHI

An earthquake of Magnitude 6.7 occured at 11:08, December 17,1987 with the epicenter located at off east Chiba Prefecture in Japan...

Observations and Analyses of Seismic Response of Steel Piled Piers

Port and Airport Research Institute      0615

June, 1988

Vibration Laboratory
Takamasa INATOMI,Yasushi TAKAGI,Motoki KAZAMA

The strong-motion earthquake records at three steel piled piers (Chidori Pier at Kawasaki port, Yamashita Pier at Yokohama Port an...

Durabilities of Concrete Beams under marine environments exposed in Port of Sakata or Kagoshima (After 10 Year's Exposure)

Port and Airport Research Institute      0614

June, 1988


Hidenori HAMADA,Nobuaki OTSUKI,Masamitsu HARAMO

In materials laboratory, series of study has been continued since 1963 concerning to the durability of concrete under marine envir...

Development of Automatic Measurement System for Inorganic Nutrients

Port and Airport Research Institute      0613

March, 1988

Storm Surge and Tunami Laboratory
Yasushi HOSOKAWA,Eiichi MIYOSHI,Takeshi HORIE

The Automatic Measurement System for inorganic nutrients is newly developed. This system is composed of the Auto Analyzer II model...

Annual Report on Wave Properties at the Network Stations (1986)

Port and Airport Research Institute      0612

March, 1988

Costal Obsevation Laboratory
Koji KOBUNE,Kazuteru SUGAHARA,Yutaka KAMEYAMA,Chiaki GOTO,Akira NARITA,Noriaki HASHIMOTO

Since 1970, the Port and Harbour Research Institute has been cooperating with the Bureau of port and Harbours, Ministry of Transpo...

A Study on Estimation of Maritime Traffic Flow among Major Japanese Ports

Port and Airport Research Institute      0611

March, 1988

Port Planing Laboratory
Yuji TANIKAWA,Akira KANEKO

In Japan, huge volume of cargo is transported by ships. Therefore, volume of maritime traffic comes enormous. It is very important...

Field Survey of Port Cargo Handling with Level-Luffing-Crane Type Unloader

Port and Airport Research Institute      0610

March, 1988


Hiroyuki YAMAYA,Ichiro KIMURA,Tadao NAKAJIMA,Yoshiharu NAKAZONO,Junichi AKIZONO,Takayuki TAKEUCHI

This paper shows an analysis on field activities of level-luffing-crane type unloader,from the points of view both of handling cha...

Survey on Effluent etc. of Reclamation Works

Port and Airport Research Institute      0609

March, 1988


Hideo KATO,Shigeaki ADACHI,Takayuki TAKEUCHI,Yuji NAKAMURA,Masaki UEHARA

In case of reclamation with pump dredged soft sea bottom materials, it is important to estimate the level of Suspended Solid conce...

Studies on the Earthquake-Resistance Design of Improved Ground by Deep Mixing Method

Port and Airport Research Institute      0608

March, 1988

Vibration Laboratory
Takamasa INATOMI,Motoki KAZAMA,Koji OTSUKA

A new soil improvement method called Deep Mixing Method (D.M.M.) was developed and has been widely applied to port and harbo

Development of an Earthquake Simulator in the P.H.R.I. Centrifuge

Port and Airport Research Institute      0607

March, 1988

Vibration Laboratory
Motoki KAZAMA,Takamasa INATOMI,Koji OTSUKA

A centrifuge model test is one of the testing method on geotechnical engineering. This method is known to satisfy the similitude f...

Test on the Effects of Joints on the Durability of Concrete in Marine Environment (after 10 years' exposure)

Port and Airport Research Institute      0606

March, 1988


Nobuaki OTSUKI,Masamitsu HARAMO,Hidenori HAMADA

Joints of concrete are easier to be deteriorated than the other parts in reinforced concrete structures. The porpose of this study...

Durability of RC and PC Concrete Piles in Marine Environment (After 10 years' Exposure)

Port and Airport Research Institute      0605

March, 1988


Nobuaki OTSUKI,Hidenori HAMADA,Masamitsu HARAMO

Recently reinforced or prestressed concrete is widely used for port and harbour structures or marine structures. However their dur...