Search for PARI Report/Technical Note
On Practical Characteristics of Solid Concentration Measurement by Differential Pressure in Pipes
Port and Airport Research Institute 017-04-08
December, 1978
Kenji HAMADA,Tokuji YAGI,Masaru SAITO,Akio KOREISHI
A solid concentration is an important factor for supervising operating conditions of hydraulic dredgers. Some experiments on meas...
Analysis on the Interrelations among the Several Dimensions of Ships
Port and Airport Research Institute 017-04-07
December, 1978
Systems Laboratory
Kiyoshi TERAUCHI,Yukihide YOSHIDA,Yasuhide OKUYAMA
In this report, interrelations among the several characteristic dimensions of ships in all over the world, such as length, width,...
Strength and Deformation Characteristics of Prestessed Concrete Piles Subjected to Repeated Loading
Port and Airport Research Institute 017-04-06
December, 1978
Nobuaki OTSUKI
Recently prestressed concrete is actively and widely used for marine structure. The prestressed concrete pile (PC pile), which is...
The evaluation and overlay thickness design of airport asphalt pavements by Dynaflect deflections
Port and Airport Research Institute 017-04-05
December, 1978
Runways Laboratory
Katsuhisa SATO,Tsutomu FUKUTE,Mineo SATO,Hideo YAMAZAKI
The evalution and overlay thickness design of airport asphalt pavements were investigated, making use of Dynaflect, which had bee...
Experimental Study on the Bending of Batterd Piles due to Ground Settlement
Port and Airport Research Institute 017-04-04
December, 1978
Kunio TAKAHASHI,Masatoshi SAWAGUCHI
A model experiment was performed to study the bending of battered piles due to ground settlement Eight model piles (steel plate 7...
Prediction of the Oscillation Amplitude of a Bottom-hinged, Vertical Buoyant Cylinder in Sea Waves
Port and Airport Research Institute 017-04-03
December, 1978
Head of Marine hydrodynamics Division
Yoshimi GODA,Yasumasa SUZUKI,Kazuyoshi HACHISUKA
A new type of semi-floating structure for navigation aids is under development, which is made of a vertical, buoyant cylinder con...
On the Effect of Viscous resistance and Non-linear Mooring System on the Mooring Force of a Floating Body
Port and Airport Research Institute 017-04-02
December, 1978
Storm Surge and Tunami Laboratory
Koji KOBUNE
Linear theories were developed for the analysis of the wave induced oscillation of a linearly moored floating body of rectangular...
Random Wave Velocity Field From Periodic Wave Theory
Port and Airport Research Institute 017-04-01
December, 1978
Storm Surge and Tunami Laboratory
Koji KOBUNE
Random waves are often expressed as a mathematical superposition of an infinite number of sinusoidal components. However, the des...
Coral rock excavation by high pressure water jets
Port and Airport Research Institute 017-03-02
September, 1978
Tadao NAKAJIMA,Taisei KOIWA,Mineo IWASAKI,Koji ISHIZUKA,Hideyuki SHOJI
This paper discusses cutting performance of water jets for coral rock excavation at high jet energy. The jet energy employed in t...
The Correlation of the Mechanical and Index Properties of Soils in Harbour Districts
Port and Airport Research Institute 017-03-01
September, 1978
Soil Investigations Laboratory
Fumiko OGAWA,Kazuaki MATSUMOTO
In the Previous report, physical properties, consistency limits, and consolidation characteristics of the alluvium are put in ord...
On the Finite Element Method and optimum Mesh Grid
Port and Airport Research Institute 017-02-05
June, 1978
Hideyuki SHOJI
To obtain an accurate solution with the Finite Elemnent method, controling parameters are displacement functions and mesh grids. ...
Standardization of Painting System Applied on Steel Curbing
Port and Airport Research Institute 017-02-04
June, 1978
Takao ITO,Masami ABE,Kiyoshi KUBO,Shuji ISHIZUKA
In order to standardize painting system applied on steel curbing, reflective sheet and reinforced plastic curbing, following kind...
Ultimate Strength of Reinforced Concrete Slabs Subjected to Concentrated Loads
Port and Airport Research Institute 017-02-03
June, 1978
Hiroshi SEKI
The reinforced concrete slabs, generally designed as fixed slabs, are main structural members of port facilities. The paper deals...
A.G.P. (Algal Growth Potential) Test and its Application to Seawater
Port and Airport Research Institute 017-02-02
June, 1978
Takeshi HORIE,Yasushi HOSOKAWA,Eiichi MIYOSHI
Biomass production by phytoplankton, whish depends on the nutrient concentration, is regarded as the principal source of the orga...
A Calculation Method of Uplift Forces on a Horizontal Platform
Port and Airport Research Institute 017-02-01
June, 1978
Breakwaters Laboratory
Katsutoshi TANIMOTO,Shigeo TAKAHASHI,Yoshikazu IZUMIDA
An estimation method of uplift forces exerted underneath a horizontal deck of platform has been proposed in the present report on...
A Study on Marine Traffic Behaviors (3rd Report) -Marine Traffic Survey in the Broad Expanse of Water Area-
Port and Airport Research Institute 017-01-04
March, 1978
Systems Laboratory
Yasuhide OKUYAMA,Yoshinobu HAYAFUJI,Yukihide YOSHIDA,Takashi NAKATSUJI
In this report, we established the methods of marine traffic survey in the broad expanse of water aria such as Tokyo Bay or Japan...
Consideration on the Coastal Wave Hindcasts -Problems in Executing Wave Hindcasting-
Port and Airport Research Institute 017-01-03
March, 1978
Costal Obsevation Laboratory
Tomoharu TAKAHASHI,Munekazu HIROSE,Tetsuya SASAKI
There are two popularly-used methods for wave hindcasting. One is called the singular method, another the spectral method. The la...
Methods and the System of Field Observation of Phenomena in the Surf zone, and Some Aspects of the Surf Zone
Port and Airport Research Institute 017-01-02
March, 1978
Norio TANAKA,Hiroaki OZASA,Kazumasa KATO,Shin-ichi YANAGISHIMA,Akira OGASAWARA,Hideo OSANAI
Mehtods and the synthetic system of field observations of phenomena in surf zone such as waves, long period variation of sea leve...
Model Experiment on Beach Profile Change due to the Runway Extension of Tokushima Airport
Port and Airport Research Institute 017-01-01
March, 1978
Vice-director
Shoji SATO,Hiroaki OZASA,Toshihiko NAGAI
The length of the runway of the Tokushima airpot is 1500m, so only small airplanes can use the airport. As the number of traveler...