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1〜20 articles out of 27 articles

Hydraulic Characteristics of Curved Double Slit Caisson Breakwater

Port and Airport Research Institute      0720

December, 1991

Maritime Structues Laboratory
Shigeo TAKAHASHI,Tokuzo HOSOYAMADA,Tadashi KATAYAMA

 The curved slit caisson breakwater is a kind of perforated-wall caisson with an arc-shaped slit wall, The caisson is very stable ...

Statistic Analysis of Primary Properties of Soils on Japanese Coastal Areas

Port and Airport Research Institute      0719

December, 1991

Geotechnical Survey Laboratory
Hiroyuki TANAKA,Motoo SAKAKIBARA

 A lot of soil investigations have been carried out in construction of port facitites. To utilize these data effectively, Soil Dat...

Pore Water Pressures and Ground Motions Measured during the 1987 Chiba-Toho-Oki Earthquake.

Port and Airport Research Institute      0718

December, 1991

Geotechnical Earthquake Engineering Laboratory
Susumu IAI,Eiichi KURATA

Most of the previous studies on soil liquefaction were based on either laboratory tests or macroscopic in-situ obserivation of liq...

Mechanical Properties of Connection of Steel-Concrete Hybrid Members

Port and Airport Research Institute      0717

December, 1991

Structual Mechanics Laboratory
Osamu KIYOMIYA

To establish the design method of steel-concrete hybrid members in port and harbour facilities, mechanical properties of L-shaped ...

The Application of the Limit State Design Method to RC Structures in Port Facilities

Port and Airport Research Institute     

September, 1991


0716

 Recently, the limit state design method for the reinforced concrete structures in used in the most of countries, because it is mo...

Analysis on Mast Heights and Ships' Dimensions Relative to External Forces Acting on Ships

Port and Airport Research Institute      0714

June, 1991


Kenji HAMADA,Hideo MATSUMOTO,Yuichi KURODA,Yoshinobu HAYAFUJI

 Statistical analysis on the dimensions of ships were studied in order to apply those latest values to the planning and designs of...

Study on influences of infagravity waves on sand transport and nearshore process

Port and Airport Research Institute      0713

June, 1991


Kazumasa KATOH

 Based on the data obtained in the field, influeneces of the infragravity waves about one to three minutes in period on the littor...

Annual Report on Wave Properties at the Network Stations (1989)

Port and Airport Research Institute      0712

June, 1991

Maritime Obsevation Laboratory
Koji KOBUNE,Yutaka KAMEYAMA,Toshihiko NAGAI,Kazuteru SUGAWARA,Noriaki HASHIMOTO

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

Some Experiments on Soil Compaction with In-situ Compaction Reproductive Apparatus

Port and Airport Research Institute      0711

June, 1991

Runways Laboratory
Yoshitake HACHIYA,Masashi KAMINAKA,Masahiko FUKAMI,Katsuhisa SATO

 A large amount of earth works are necessary to obtain flat land for airport construction in mountainous areas. To conduct the ear...

Load Transfer at Joints and Cracks in Airport Concrete Pavements -Its Application to Structural Design-

Port and Airport Research Institute      0710

June, 1991

Runways Laboratory
Yoshitaka HACHIYA,Masashi KAMINAKA

 Load transfer efficiency at joints and cracks in several airports has been measured by nondestructive testing apparatus. Repeated...

Study on the Load Factor of Seismic Loads on Limit State Desing Method

Port and Airport Research Institute      0708

June, 1991

Offshore Structures Laboratory
Satoru SHIRAISHI,Shigeru UEDA,Tatsuo UWABE

 The design code of concrete structures was revised in 1986 by the Japan Society of Civil Engineers. In this code, Standard values...

Dynamic Response of the Saturated Two-Phase Layered Media

Port and Airport Research Institute      0707

June, 1991

Structural Dynamics Laboratory
Motoki KAZAMA,Toyoaki NOGAMI

Geotechnical engineering problems in coastal area are often related to the behavior of the porewater. Typical examples of these pr...

Effect and Evaluation of Concrete Surface Coatings for the Prevention of Salt Attack

Port and Airport Research Institute      0706

June, 1991


Hidenori HAMADA,Tsutomu FUKUTE,Masami ABE,Kunio YAMAMOTO

 This paper focuses on the use of protective coatings as the means of protecting concrete structures. The aim of the research repo...

Annual Report on Strong-Motion Earthquake Records in Japanese Ports (1990)

Port and Airport Research Institute      0705

June, 1991

Geotechnical Earthquake Engineering Laboratory
Eiichi KURATA,Susumu IAI

 The report presents resutls of strong-motion earthquake observation in Japanese ports in 1990. Strong-motion earthquake observati...

Investigation for Materials and Maintenance Technology of Ancillary Facilities on Amenity-oriented Structures

Port and Airport Research Institute      0715

June, 1991

Design and Construction Technology Laboratory
Masato NAKAMICHI,Hirohumi MORITA,Noboru KUCHIDA

 Recently, Amenity-oriented Structures have been constructed in order to make the general public commune with sea. Ancillary facil...

Study on Characteristics and Design of Heads of Breakwaters as Viewpoints of Portscape

Port and Airport Research Institute      0704

March, 1991


Hiroshi KATO,Ushio SAITO,Kenji UESHIMA

 The purposes of this study are two-fold: to clarify the characteristics of breakwaters as viewopoints of portscape; to make clear...

A study on structural design of waterfront promenade -In case of Great Britain and France-

Port and Airport Research Institute      0703

March, 1991


Kenji UESHIMA,Ushio SAITO,Hiroshi KATO

 We have few famous waterfront promenade in Japan. Today, waterfront promenade design is consider as the surface of structure as i...

Statistical Data Analysis on Caisson Type Quaywall

Port and Airport Research Institute      0702

March, 1991


Tadashi HORIKE,Yasuo KASUGAI

 Examples of port infrastructure, which have been designed until now, can be regarded as stock of experiences and technical knowle...

A Study on Setting Viewpoints of Bridges

Port and Airport Research Institute      0701

March, 1991


Ushio SAITOH,Hiroshi KATOH,Kenji UESHIMA

 The purpose of this study is to find out rough standards on setting viewpoints of bridges. We thought that people had mainly two ...

Dredging Characterisitcs of Draghead with leveling blades (2)

Port and Airport Research Institute      0700-01

March, 1991

Dredging and Reclamation Laboratory
Yoshikuni OKAYAMA,Motokazu AYUGAI,Makoto SUZUKI,Hiroya FUKUMOTO,Susumu NAKASHIMA

 For the improvements on dredging efficiency by a suction hopper dredge, the idea of the use of leveling blades attached to the bo...