Search for PARI Report/Technical Note

Storage of Hydrographic Charts and Investigation of Beach Topography Changes around Ports by Utilizing Hydrographic Charts

Kazumasa KATOH,Yoshiaki KURIYAMA,Isao IRIE

　This technical note is composed of two parts.　[Part 1] It is stressed that hydrographic charts are fundamentally important data d...

Earth Pressure due to Filling Sand in Inclined Wall Caisson

Kunio TAKAHASHI,Yasuo KASUGAI,Nobutaka NAMERIKAWA,Nobuaki SAKAKI,Misao SUZUKI

　In recent years, it has become necessary to construct port structures at the outer sea of greater depth. A new type caisson havin...

Hydraulic Model Experiments on the Construction of Artificial Beach of the Ugusu Coast

Head of Marine hydrodynamics Division
Isao IRIE,Kazuteru SUGAHARA,Nobutaka NAMERIKAWA

　The present paper relates to the hydraulic model experiments for the construction of artificial beach of the Ugusu Coast which is...

Corrosion Serveys of Steel Structures in Marine Environments (Hakodate, Yokohama, Kobe and Hirara ports)

Masami ABE,Toshiyuki YOKOI,Nobuaki OTSUKI,Kunio YAMAMOTO

　The corrosion serveys of two steel pipe structures and three steel sheet pile structures have been carried out, by means of speci...

Hydraulic Characteristics and Design Wave Forces of Double-Cylindrical Caisson -A Study on Development of Deep-water Breakwater (Part 4)-

Breakwaters Laboratory
Katsutoshi TANIMOTO,Shinji KATAOKA,Suketo HARANAKA,Shinya SUZUKI,Kenichirou SHIMOSAKO　Keiji MIYAZAKI

　Random wave experiments have been carried out to investigate hydraulic characteristics of a double-cylindrical caisson breakeater...

Publication List of the Technical Notes of the P.H.R.I.(No.501 through No.600)

This is publication list of the Technical Notes of t<BR>he Port and Harbour Research Institute, which have bee<BR>n pu...

Fundamental Properties of Stabilized Soils for Airport Pavements

Runways Laboratory
Katsuhisa SATO,Yoshitaka HACHIYA,Masahiko FUKAMI

　The purpose of this study is to evaluate mechanical properties of cement or lime stabilized soils in connection with their applic...

Experiment and Computation of Wave Drift Force Subjected to Rectangular Floating Body

Offshore Structures Laboratory
Shigeru UEDA,Takashi ITAO

　In this paper, description is made on long period oscillation of a floating body when it is moored relatively such soft mooring s...

The Traffic Volume Study on Road for Port Traffic (Part 1)

Port Planing Laboratory
Yuji TANIKAWA,Akira KANEKO

　The traffic volume study on read for port traffic was carried out in 1985 for the purpose of obtaining basic data for the improve...

On the Design of Fending Systems for Mooring Facilities in a Port

Offshore Structures Laboratory
Shigeru UEDA,Eijiro OOI

　This Paper is a consolidation as a material for dsign of fending systems for mooring facilities in a port to suit a purpose of bo...

Load Carrying Capacity of Shear Connectors made of Shape Steel in Steel-Concrete Composite Members

Subaqueous Tunnels and Pipelines Laboratory
Hiroshi YOKOTA,Osamu KIYOMIYA

　Push-out loading tests were carried out to investigate the ultimate strength and deformation of shear connectors in steel concret...

Durability of Concrete with Aggregates of Okinawa in Marine Environment (After 10 years' Exposure)

Nobuaki OTSUKI,Masamitsu HARAMO,Hidenori HAMADA

　Crushed stone and sea sand are generally used for concrete in Okinawa. The properties of these aggregates are inferior to those o...

Corrosion Survey and Residual Strength of Steel Pipe Piles for Pier

Subaqueous Tunnels and Pipelines Laboratory
Osamu KIYOMIYA,Teruo CHIBA,Hiroshi YOKOTA,Masami ABE

　For repair design and execution of corroded steel piles, it is important to know the corrosion tendency and their residual streng...

Model Tests on Wave Overtopping Rate in Multi-sloped Beach

Wave Laboratory
Tomotsuka TAKAYAMA,Masami FURUKAWA,Yoshihiro TATEISHI

　The present paper experimentally investigates the characteristics of wave overtopping rates and wave transformation in the multi-...

Study on Biological Ability to Environmental Improvement using Natural Reed

Environment Puriffcation Laboratory
Takeshi HORIE,Yasushi HOSOKAWA,Eiichi MIYOSHI,Yoshiyuki SEKINE

The reed is often observed along the natural coast. it is known by its ability and capacity of trapping particles, decompositing o...

Basic Consideration for Designing the Area of the Ground Compaction as a Remedial Measure against Liquefaction

Susumu IAI,Katsuhiko KOIZUMI,Eiichi KURATA

　Compaction of a loosely deposited sandy ground is one of the remedial measures against liquefaction. The compaction of the ground...

Shaking Table Tests and Seismic Response Analysis of Large Models for Composite Breakwater aon Sand Layers

Earthquake Disaster Prevention Laboratory
Tatsuo UWABE,Masahira MORIYA

Shaking table tests with large models of a composite breakwater composed of caissons and a rubble mound on sand layers are describ...

Annual Report on Strong-Motion Earthquake Records in Japanese Ports (1986)

Earthquake Resistant Struetures Laboratory
Eiichi KURATA,Susumu IAI,Setsuo NODA

　The report presents results of strong-motion earthquake observation in Japanese ports in 1986. Strong-motion earthquake observati...

Dredging Characteristics of the Draghead with Leveling Blades

Yoshikuni OKAYAMA,Kazuhiro UKEBA,Yuji NAKAMURA,Motokazu AYUGAI

　Sea going trailing suction hopper dredge forms long straight dredging tracks with narrow width, and the dredging configuration is...

Vibration Characteristics of Vertical Pile in Sand Layers

Vibration Laboratory
Takamasa INATOMI,Motoki KAZAMA,Kohji OHTSUKA

A sheet pile quaywall with vertical pile anchorage during earthquake is often damaged by lack of resistant capacity of vertical pi...