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1〜18 articles out of 18 articles

Field and Laboratory Measurments of Shear Modulus Profile in Seabed

Port and Airport Research Institute      029-04-01

December, 1990


Mohsen BADIEY,Kouki ZEN,Hiroyuki YAMAZAKI,Hideo SUZUKI

Field and laboratory experiments were conducted to measure the shear modulus profiles in the seabed at the port of Kawasaki locate...

Strain Space Plasticity Model for Cyclic Mobility

Port and Airport Research Institute      029-04-02

December, 1990

Geotechnical Earthquake Engineering Laboratory
Susumu IAI,Yasuo MATSUNAGA,Tomohiro KAMEOKA

 The cyclic mobility model proposed in this paper is of a generalized plasticity-multiple mechanism type. The salient feature of t...

Parameter Identification for a Cyclic Mobility Model

Port and Airport Research Institute      029-04-03

December, 1990

Geotechnical Earthquake Engineering Laboratory
Susumu IAI,Yasuo MATSUNAGA,Tomohiro KAMEOKA

 Within the framework of strain space plasticity approach for cyclic mobility (Iai et al, 1990), this paper shows how to represent...

Wave Hindcast Model Using the Hybrid-parameter Method (1st report) -Applicatiaon to the Tokyo Bay-

Port and Airport Research Institute      029-04-04

December, 1990


Toshihiko NAGAI,Chiaki GOTO,Koji KOBUNE

 The parameter wave hindcast model for wind generated waves in short fetch sea, developed through the investigation using the data...

Durability of Steel-Concrete Composite Hybrid Members in Marine Environments

Port and Airport Research Institute      029-04-05

December, 1990


Hidenori HAMADA,Tsutomu FUKUTE,Masami ABE

 Durability of Steel-concrete composite Hybrid members in marine environments is investigated. In order to gather data on corrosio...

Study on the Durability of Concrete Mixed with Sea Water

Port and Airport Research Institute      029-03-03

September, 1990


Tsutomu FUKUTE,Kunio YAMAMOTO,Hidenori HAMADA

In this paper, the influence of sea water as mixing water on the long term durability of concrete under marine environment is stud...

Estimation of Nonlinear Kernel Function of Weakly Nonlinear, Quasi-Gaussian Irregular Sea Waves

Port and Airport Research Institute      029-03-02

September, 1990

Maritime Obsevation Laboratory
Noriaki HASHIMOTO

As the first approximation, irregular sea waves are expressed as the superposition of infinite number of infinitesimal waves havin...

A study on Composition of Portscape

Port and Airport Research Institute      029-03-04

September, 1990


Kenji UESHIMA,Hiroshi KATO,Ushio SAITO

 The purpose of this study is to identify the components and composition of portscape, which make the general public feel port. In...

Wave Hindcast Model For Short Fetch Sea

Port and Airport Research Institute      029-03-01

September, 1990

Ocean Energy Utilization Laboratory
Chikai GOTO,Koji SUETSUGU,Toshihiko NAGAI

A parameter wave hindcast model for wind generated waves in short fetch sea was developed through the investigation of the wind st...

Changes of Grain Distribution of Bed Material in the Surf Zone -Field Observation at Hazaki Oceanographical Research-

Port and Airport Research Institute      029-02-02

June, 1990


Kazumasa KATOH,Shin-ichi YANAGISHIMA,Yoshiaki KURIYAMA,Tomoyoshi ISOGAMI,Hiroyuki MURAKAMI,Makoto FUJITA

 Bed materials have been sampled 15 times during one and half years along the research pier at Hazaki Oceanographical Research Fac...

Stability of Armour Units of Composite Breakwater Mound against Oblique Waves

Port and Airport Research Institute      029-02-01

June, 1990

Maritime Structues Laboratory
Shigeo TAKAHASHI,Katsutoshi KIMURA,Katsutoshi TANIMOTO

 The rubble mound of composite breakwaters is usually covered with armour stones or armour concrete blocks. These armour materials...

Model Vibration Tests for the Seismic Earth Pressure Acting on the Rigid Caisson Foundation and Its Analyses

Port and Airport Research Institute      029-02-07

June, 1990

Structural Dynamics Laboratory
Motoki KAZAMA,Takamasa INATOMI,Kohji OHTSUKA

The seismic earth pressure acting on the rigid caisson foundation was studied by the model vibration tests. In order to account fo...

Load Carrying Capacity of Hybrid Beams Subjected to Flexure and Shear Forces

Port and Airport Research Institute      029-02-06

June, 1990

Structual Mechanics Laboratory
Hiroshi YOKOTA,Osamu KIYOMIYA

Hybrid structures with steel plates and concrete have considerable potential for use in offshore facilities. By replacing reinforc...

Bearing Capacity of Clay Ground Improved by Sand Compaction Piles of Low Replacement Area Ratio

Port and Airport Research Institute      029-02-05

June, 1990


Masaaki TERASHI,Masaki KITAZUME

In the construction of port facilities such as breakwaters or revetments, normally consolidated alluvial clay deposits often found...

Strength and Deformation Characteristics of Cement Treated Sands Used for Pre-Mixing Method

Port and Airport Research Institute      029-02-04

June, 1990


Kouki ZEN,Hiroyuki YAMAZAKI,Yasushi SATO

A new method to construct a liquefaction-free reclaimed land, called the Pre-mixing method, has been developed. As a part of the s...

Determination of the Horizontal Coefficient of Consolidation ch

Port and Airport Research Institute      029-02-03

June, 1990


Masaki KOBAYASHI,Jun-ichi MIZUKAMI,Takashi TSUCHIDA

The coefficient of consolidation is a foundamental parameter to estimate the rate of settlement of clayey ground. When clay is imp...

Wave and Block Forces on a Caisson Covered with Wave Dissipating Blocks

Port and Airport Research Institute      029-01-02

March, 1990

Maritime Structues Laboratory
Shigeo TAKAHASHI,Katsutoshi TANIMOTO,Ken'ichirou SHIMOSAKO

 A series of model experiments have been carried out for a caisson covered with wave dissipating blocks. The characteristics of ra...

Mathematical Modeling of Mud Transport in Ports with a Multi-Layered Model -Application to Kumamoto Port-

Port and Airport Research Institute      029-01-01

March, 1990

Hydrodynamics Laboratory
Hiroichi TSURUYA,Kazuo MURAKAMI,Isao IRIE

 Tree-demensional multi-layered mud transport model is presented. In Kumamoto Port which is under construction, extensive field me...