Search for PARI Report/Technical Note
Field Observation of Phosphorus and Nitrogen Transport between Coral Reef and Seagrass Bed
Port and Airport Research Institute 1148
December, 2006
Tetsunori INOUE,Shinya HOSOKAWA,Masayuki UCHIMURA,Koichiro KAMIO
The purpose of this study is to investigate the phosphorus and nitrogen balance between coral reef and seagrass bed through their ...
Numerical Simulation of Transient Wave Induced Current and Flow Pattern around a Groin
Port and Airport Research Institute 1147
December, 2006
Coastal and Estuarine Environment Research Group
Satoshi NAKAMURA
Beach managements for the land protection or the tidal flat development require more realistic predictions of waves and currents a...
Evaluation of L2 Design Ground Motions at Japanese Ports Considering Site Amplification Factors
Port and Airport Research Institute 1146
December, 2006
Structural Dynamics Division
Atsushi NOZU,Takahiro SUGANO
Earthquake ground motion is strongly influenced by site effects. Therefore, in the forthcoming edition of the technical standard f...
Seismic performance improvement and restoration of damaged quay wall after an earthquake
Port and Airport Research Institute 1145
September, 2006
Structural Dynamics Division
Takahiro SUGANO,Yasuhiro NOZUE,Yoshio SHIOZAKI,Eiji KOHAMA
The seismic retrofit of existing port structures is dependent on type of structures, usages, required performance, and so forth. A...
Preliminary Study on Coastal Water Bypassing System for Water Quality Management in Semi-Enclosed Bays
Port and Airport Research Institute 1144
September, 2006
Director for Special Research
Koshi SUMIDA,Yasuyuki NAKAGAWA
A system for water quality management in semi-enclosed bays is proposed. The system consists of water pipes from the open sea thro...
Model Tests of Floating Type SCP Improved Ground Subjected to Backfilling
Port and Airport Research Institute 1143
September, 2006
Soil Stabilization Division
Takeshi NAKAMURA,Hidenori TAKAHASHI,Masaki KITAZUME
Sand Compaction Pile Method (SCP Method) has been often adopted to improve the bearing capacity, stability and consolidation settl...
Applicability of Impermeable Steel Seawalls for Confined Waste Disposal Site in Coastal Areas
Port and Airport Research Institute 1142
September, 2006
Soil Mechanics and Geo-Environment Division
Yoichi WATABE,Hisayoshi YOSHINO,Ryuji KAKIMOTO,Koichi YAMADA,Akiyuki UKAI,Takeshi OKI,Yoshitake OKA,Hiroshi KITA,Naoya NAGAO,Takeshi MOCHIZUKI,MasanoriKINOSHITA
Waste disposal sites along the coast in Japan are usually constructed on the thick clay ground, which has sufficient cutoff perfor...
Results of Apparent Diffusion Coefficient of Chloride Ion in Port Reinforced Concrete Structures and Study on its Simple Estimation Method
Port and Airport Research Institute 1141
September, 2006
Project Researcher
Toru YAMAJI,Shoji NAKANOm,Hidenori HAMADA
The apparent diffusion coefficient of chloride ion in concrete Dap is an essential parameter for the performance based design of r...
Structural Performance and Deterioration due to Chloride Attack of Reinforced Concrete Deck of Existing Piers
Port and Airport Research Institute 1140
September, 2006
Project Researcher
Ema KATO,Mitsuyasu IWANAMI,Toru YAMAJI,Hiroshi YOKOTA
This paper aims to deliberate the structural performance of reinforced concrete (RC) members degraded by deterioration of constitu...
Life-Cycle Scenario for Functional Improvement of Existing Port Facilities
Port and Airport Research Institute 1139
September, 2006
Project Researcher
Mitsuyasu IWANAMI,Hiroshi YAMAUCHI,Ema KATO,Hiroshi YOKOTA
While lots of port facilities have been constructed for these decades, some of them will be reaching the end of design service lif...
Experimental Study on Structural Performance and Constructivity of High Performance Lightweight Concrete
Port and Airport Research Institute 1138
September, 2006
Project Researcher
Mitsuyasu IWANAMI,Ema KATO,Hiroshi YOKOTA
There are some possibilities that construction cost of port concrete structures can be reduced by reducing the weight of structure...
Long-term Durability of Rubber for Joints of Submerged Tunnels
Port and Airport Research Institute 1137
September, 2006
Mitsuyasu IWANAMI,Hiroshi YOKOTA
The design service life of submerged tunnel, which is one of the important facilities in port area, is rather long, 50 to 100 year...
ANNUAL REPORT ON STRONG-MOTION EARTHQUAKE RECORDS IN JAPANESE PORTS（２００５）
Port and Airport Research Institute 1136
September, 2006
Structural Dynamics Division
Atsushi NOZU,Takahiro SUGANO
Since 1962, strong ground motions and earthquake responses of structures have been observed in the major ports in Japan. By the en...
Analysis of Elastic Response of Very Large Floating Structures with Discontinuous Stiffness in Waves - Study on the Modeling of Joint Part -
Port and Airport Research Institute 1135
June, 2006
Offshore Structures Division
Tsutomu MOMOKI,Haruo YONEYAMA,Tetsuya HIRAISHI
Recently, very large floating structures (VLFS) are proposed for use as an airport, disaster prevention basis and offshore w
Continuous Currents, Water Quality and Meteorological Monitoring using Ferry at Tokyo Bay Mouth in 2004-2005
Port and Airport Research Institute 1134
June, 2006
Coastal and Estuarine Environment Research Group
Kojiro SUZUKI,Akira TAKEDA
Continuous currents, water quality and meteorological monitoring have been conducted at the mouth of Tokyo bay since Dec. 2003. Th...
Evaluation of Performance Improvement by Repair on RC Structures in Marine Environment
Port and Airport Research Institute 1133
June, 2006
Project Researcher
Ema KATO,Tomoaki TSUTSUMI,Mitsuyasu IWANAMI,Hiroshi YAMAUCHI,Toru YAMAJI,Hiroshi YOKOTA
The effect of repair work on durability enhancement of RC structures under marine environment was discussed in this study. The lon...
Bending Shear Loading Test of Two Spans Continuous Beam Elements with Crossing Parts of Walls of Log Construction
Port and Airport Research Institute 1132
June, 2006
Structural Mechanics Division
Masao YAMADA
Advancing utilization of domestic timber such as Sugi (Cryptomeria japonica), Hinoki(Chamaecyparis obtusa), Karamatsu (Larix lepto...
Evaluation System on Time-Depending Change in Performance of Shore Protection Facility Based on Stochastic Method
Port and Airport Research Institute 1131
June, 2006
Structural Mechanics Division
Yoshiyuki SEKINE,Hiroshi YOKOTA,Mitsuyasu IWANAMI,Ema KATO
It is urgently required to establish performance verification methods for civil infrastructures as well as to rationally setup cle...
Field Observation of Long Period Flow Motion in Rubble-type Sea Wall
Port and Airport Research Institute 1130
June, 2006
Wave Division
Tetsuya HIRAISHI,Mitsuhiro OKUNO,Kota ANDO
Interruption of cargo handling is often induced by the resonance between a mooring system and long period waves in some large harb...
Mechanical properties of Modified-Sulfur Concretes mixed with several kinds of aggregates
Port and Airport Research Institute 1129
June, 2006
Materials Division
Hidenori HAMADA,Hideyuki HORII,Yoshikazu AKIRA
Recycling has become increasingly important in recent days, and applicability of by-products such as steel slag and marine life sh...