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21〜30 articles out of 30 articles

Corrosion survey on two steel sheet pile bulkheads in Naha port and steel pipe piles in a pier in Naoetsu port

Port and Airport Research Institute      0289

June, 1978


Kazuaki ZEN,Masami ABE

 The corrosion survey was carried out on steel sheet piles in Naha port and steel pipe piles in Naoetsu port to make corrosion rat...

Numerical Simulation on Tidal Current and Contaminated Water Dispersion in the Off-Tokushima Coast

Port and Airport Research Institute      0309

March, 1978

Environment Puriffcation Laboratory
Takeshi HORIE,Kazuo MURAKAMI,Yutaka KAMEYAMA

 This note describes the numerical simulation of the effect on tidal current and substance dispersion in the coast of Tokushima du...

Computer Program of Mirror-Image Method for Wave Diffraction with Reflection

Port and Airport Research Institute      0288

March, 1978

Systems Laboratory
Yasuhide OKUYAMA,Kiyoshi TERAUCHI,Yukihide YOSHIDA,Takashi NAKATSUJI

 This technical note is the explanation and the guide of the computer program of mirror-image method for wave diffraction with ref...

Annual Report on Strong-Motion Earthquake Records in Japanese Ports (1976 and 1977)

Port and Airport Research Institute      0287

March, 1978

Earthquake Resistant Struetures Laboratory
Eiichi KURATA,Susumu IAI,Hajime TSUCHIDA

 The report presents the strong-motion earthqauke observation in Japanese ports in 1976 and 1977. Strong-motion earthquake observa...

Digitization and Corrections of Strong-Motion Accelerograms

Port and Airport Research Institute      0286

March, 1978

Earthquake Resistant Struetures Laboratory
Susumu IAI,Eiichi KURATA,Hajime TSUCHIDA

 In the storong-motion earthquake network in port areas in Japan, acceleration time histories are recorded with the SMAC-B2 and th...

Estimation of the maximum ground acceleration around coasts along Hiroshima Bay, western provinces of the Seto Island Sea and Kita-Kyushu during great earthquakes

Port and Airport Research Institute      0285

March, 1978

Earthquake Disaster Prevention Laboratory
Tatsuo UWABE,Setsuo NODA,Tadaki CHIBA

 In order to obtain the fundamental data will be helpful in planning a countermeasure against an earthquake disaster, acceleration...

Influence of Particle Diameter on the Measuring of Turbidity

Port and Airport Research Institute      0284

March, 1978


Shyoji MIYAZAKI,Yasuji SAOTOME,Katsuto MASUDA

 A turbidity meter is an essential measuring instrument which serves to investigate water pollution. They are besed on various opt...

Offshore wave charactristics around the Okinawa Islands

Port and Airport Research Institute      0283

March, 1978

Costal Obsevation Laboratory
Tomoharu TAKAHASHI ,Munekazu HIROSE,Tetsuya SASAKI

A study is made of results of 20 hindcasts and the stationary observations around the Okinawa Islands. The method of wave hindcast...

An Annual Report for Wave Observation at Chosen Points (1976)

Port and Airport Research Institute      0282

March, 1978

Costal Obsevation Laboratory
Tomoharu TAKAHASHI,Tetsuya SASAKI,Munekazu HIROSE

 In October of the 43rd year of Showa (1968), The Summary to carry out the Wave Observations at Selected Stations was decided in P...

Change of Tidal Current Caused by Removal of Konose Shoal at The Kurushima Strait

Port and Airport Research Institute      0281

March, 1978

Hydrodynamics Laboratory
Hisao KIMURA,Kiyobumi TAKAMATSU,Shoji SATO

 Konose Shoal at the Kurushima Strait io the Seto Inland Sea is planed to be removed in order to make passing of ships safer. Ther...