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1〜17 articles out of 17 articles

Comparison between Bishop's method and Tschebotarioff's method in slope stability analysis

Port and Airport Research Institute      007-04-05

December, 1968


Kenji NOMURA,Yoshinobu HAYAFUJI,Fumiaki NAGATOMO

Bishop's simplified method which is said to give satisfactrily approximate value of factor of Safety Fs, obtained by its r...

Stabilization of Alluvial Clays with Quicklime

Port and Airport Research Institute      007-04-04

December, 1968


Shigeyasu YANASE

This report describes laboratory and fie'd tests made to investigate effectiveness of quicklime as stabilizer of soft allu...

Digital Computation on the Effect of Breakwaters against Long-period Waves (4th Repoort) - On the Effect of Ofunato Tsunami Breakwater against the Tsunami caused by the Earthquake on May 16, 1968.-

Port and Airport Research Institute      007-04-03

December, 1968

Breakwaters Laboratory
Yoshiyuki ITO,katsutoshi TANIMOTO,Tsutomu KIHARA

On May 16, 1968, the northern part of Japan was attacked by a severe earthquake of Magnitude7.8. The port of Ofunato experienced t...

Digital Computation on the Effect of Breakwaters against Long-period Waves (3rd Report) - Comparison with experiments-

Port and Airport Research Institute      007-04-02

December, 1968

Breakwaters Laboratory
Yoshiyuki ITO,Tsutomu KIHARA

In the preceding reports, the calculating way called wave motion method and approximate one-dimensional method were established an...

On Some Properties of wind over Water Waves

Port and Airport Research Institute      007-04-01

December, 1968


Tokuichi HAMADA

This paper discusses the general characteristics and the wave inducec properties of air flow over water waves. In concern with the...

On the Series Operation Efficiency of Ejector and Centrifugal Pump

Port and Airport Research Institute      007-03-05

September, 1968


Teruaki MORIGUCHI,Kiichiro FUJII

Ejector pumps used for dredging at the bottom of deep sea is usually operated with the sand-pumps. The author presents here in thi...

Experimental Studies on High Strength Tie Rod

Port and Airport Research Institute      007-03-04

September, 1968


Yuzo AKATSUKA,Kuniichi ASAOKA

Experimental studies were made on the strength properties of the main elements of high strength tie rod such as the threaded and r...

Investigation on Dry Dock Construction at Port Kashima (supplement)

Port and Airport Research Institute      007-03-03

September, 1968


Yuzo AKATSUKA,Mituo OHTA,Minoru SOYA,Isao SUZUKI

The primary report described the structural features of the dry-dock construction and the results of laboratory and field investig...

Use of Natural Radioactive Tracers for the Estimation of Sources and Direction of Sand Drift

Port and Airport Research Institute      007-03-02

September, 1968


Shoji SATO,Isao IRIE

Use of natural redioactive tracers for the estimation of sources and direction of sand drift was examined for the case if the Send...

Apparent Coefficient of Partial Reflection of Finite Amplitude Waves

Port and Airport Research Institute      007-03-01

September, 1968


Yoshimi GODA,Yoshiki ABE

Healy's method commonly employed in wave reflection tests is only the first order approximation and gives an apparent vulu...

Triaxial consolidation test of soils (1st Report)

Port and Airport Research Institute      007-02-04

June, 1968


Akio NAKASE,Kenji NOMURA,Masahide ITO

The design and test procedures of a triaxial consolidation test apparatus, restoring the condition of in-situ one-dimensional cons...

Study on Boring and Sampling of Saturated Allavial clays (3rd Report)

Port and Airport Research Institute      007-02-03

June, 1968


Kazuaki MATSUMOTO,Hiroyasu HORIE,Masaaki YAMAMURA

Influence of the boring and sampling methods on the unconfined compression strength of a clay is inbestigated. In the boring works...

Soil Constants for Piles

Port and Airport Research Institute      007-02-02

June, 1968


Masatoshi SAWAGUCHI

Several computation methods for piles subjected to lateral loads have been so far proposed. Among these methods the most reliable ...

A Model Experiment on the Tsunami Breakwaters at the port of Kochi (3rd Report)

Port and Airport Research Institute      007-02-01

June, 1968


Hisao KIMURA,Kunimori KUDO,Akihiko SHIBASYAMA

The object of this model experiment is to obtain the relevant hydraulic values and the amount of scouring both qualitatively and q...

On the Effect upon the Leveling Power in Water by the Combination of Blade and Water-Jet

Port and Airport Research Institute      007-01-03

March, 1968


Yasuji SAOTOME,Koji ISHIZUKA

This report shows the effect for the reduction of driving wower of dredger for leveling the bottom of sea, through the combination...

Investigation on Use of High Strength Deformed Bars for Harbour Construction Wirks (Part II)

Port and Airport Research Institute      007-01-02

March, 1968


Yuzo AKATSUKA,Hiroshi SEKI

In succession to the studies previously reported in the Part I, investigations were carried out on the quality variation of high s...

The Effect of Overconsolidation on the Undrained Strength of Clays

Port and Airport Research Institute      007-01-01

March, 1968


Akio NAKASE

In order to examine the possibility of applying the φu=0 analysis to the long-term stability problem, experimental studies on the ...