Faculty Profiles - TATEISHI Kazuo

Papers - TATEISHI Kazuo

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Low Cycle Fatigue Strength of Welded Joints in Extreme Large Strain Field

Kazuo Tateishi,Takeshi Hanji

Proc.of The 2nd International Conference on Bridge Maintenance,Safety,Management and Cost page： 853-854 2004.10

A Study on Low Cycle Fatigue Strength of Butt Welded Joints by Means of Testing System with Image Analysis Reviewed

Kazuo Tateishi,Takeshi Hanji

J. of Structural Mechanics and Earthquake Engineering, JSCE Vol. I-66 ( 752 ) page： 277-287 2004.1

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

Low cycle fatigue strength of welded joints was investigated by means of newly developed fatigue testing system in which image analysis technique was applied to measure the strain of specimens. It was validated that the strain measured by the image analysis was almost equal to measured value by strain gauge, and the low cycle fatigue strength of steel plate without welding was in good agreement with the results reported in former researches. After verifying the testing system, fatigue tests were carried out on welded joint specimens. The test results indicated that the low cycle fatigue strength of welded joints was mach lower than that of plain material, and fatigue life was reduced by half.

Application of Image Analysis to Steel Structural Engineering

Kazuo Tateishi, Takeshi Hanji

North American Euro-Pacific Worlshop,Sensing Issues in Civil StructuralHealth Monitoring page： 47-56 2004

3-D shape measurement of corroded surface by using digital stereography

Takeshi Hanji, Kazuo Tateishi, Kazuki Kitagawa

Proc. of the 1st International Conference on Structural Health Monitoring and Intelligent Infrastructure page： 699-704 2003.11

A study on low cycle fatigue strength of butt welded joint by means of image analysis technique

Kazuo Tateishi, Takeshi Hanji

Proc. of the 5th Japanese-German Joint Symposium on Steel and Composite Bridges page： 405-409 2003.9

Low cycle fatigue testing system by means of image analysis technique

Takeshi Hanji, Kazuo Tateishi

Proc. of the 7th Korea-Japan Joint Seminar on Steel Bridges page： 441-449 2003.8

Delay Effect on Fatigue Crack Propagation in Steel Members by Resin Injection

Kazuo Tateishi,Kazuki Kitagawa

Proc. of the 7th Korea-Japan Joint seminar on Steel Bridges page： 425-430 2003.8

Language：English

Resin injection is possible method to arrest the growth of fatigue crack in steel structures tentatively, because the resin injected into the fatigue crack is expected to act as a filling and inhibit crack opening/closing behavior, which result in the decrease of effective stress intensity factor range and crack propagation rate. In this study, the possibility and the limitation of the method are investigated on the basis of fatigue results conducted on steel plate specimens.

A study on the quality of studs welded in horizontal position and the possibility of post-welding repair Reviewed

Kosuke Tsuji,Masaki Shimamoto,Kazuo Tateishi

Steel Construction Engineering, JSSC Vol. 9 ( 35 ) page： 17-24 2002.9

Language：Japanese Publishing type：Research paper (scientific journal)

As studs come to be applied to complicated structures, the demand to make the stud joints in horizontal welding position arises recently, though such welding position often leads to the occurrence of flaws. In this study, imperfect studs were made by the welding in horizontal position, and their quality in terms of shapes, flaws and material properties were investigated. After that, repair work by post-welding was carried out on the imperfect studs in order to find their possibility and limitation.

Fatigue Strength of Welded Steel Wire Mesh made with Spot Welding Reviewed

Kazuo Tateishi,Kenshi Yoshimine,Koji Ota,Takayoshi Matsui

Vol. 13 ( 2 ) page： 25-32 2002.5

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

Fatigue tests were carried out on welded steel wire mesh and RC beam in order to investigate the fatigue strength of welded steel wire mesh made with spot welding. Besides, welding residual stress and stress concentration at the crossing portion of the bars, which influenced fatigue performance of the mesh very much, were investigated by experiment and FEM analysis respectively. Fatigue strength of the mesh was mush higher than the specified design strength for welded steel reinforcing bar, because welding residual stress was small, and stress concentration is relatively mild. Finally, fatigue crack propagation analysis was applied to estimate the fatigue strength and propose a design curve for the steel wire mesh made with spot welding.

Re-analysis of fatigue test date of attachments based on stress at fillet weld toe Reviewed

Kentaro Yamada,Zhi-Gang Xiao,In-tae Kim,Kazuo Tateishi

Journal of Structural Engineering, JSCE Vol. 48A page： 1047-1054 2002.3

Language：Japanese Publishing type：Research paper (scientific journal)

Fillet weld causes stress concentration, Kt, at weld toe. Its effect is rather local, for example within 1 mm deep for non-load-carrying fillet-welded joints of 10 mm thick with fillet welds of 6 mm leg length. Such a fillet-welded joint is taken as a reference detail. Then, Kt of other fillet- welded details can be defined as local Kt multiplied by global( geometric )Kt. In this study Kt at 1 mm away from weld toe of fillet welded attachment is analyzed to find the global Kt. Fatigue test date of attachments is re-plotted with nominal stress range multiplied by global Kt. It is in good agreement with the test date of the reference detail. This new approach may open a way to investigate fatigue strength of more complicated fillet-welded attachments by FEM analysis.

鋼構造の疲労予測技術とメンテナンス

舘石和雄

土木学会誌 Vol. 86 ( 12 ) page： 44-47 2001.12

Strain Measurement System by Digital Stereo Vision Reviewed

Kazuo Tateishi

J. of Structural Mechanics and Earthquake Engineering, JSCE Vol. VIー53 ( 693 ) page： 87-94 2001.12

Authorship：Lead author,　Corresponding author Language：Japanese Publishing type：Research paper (scientific journal)

A system for measuring large strain in strain in structural members is developed by using digital stereo vision. The system consists of the following processes, 1) target points provided on the specimen surface, 2) identify the coordinates of each target point by digital stereo vision, 3) calculate displacement vector of each target point, and
4) calculate the strain field. All preprocesses are performed automatically, and the strain results can be obtained in some seconds. This system makes it possible to carry out semi-realtime strain measurements, even if object includes three-dimensional deformation like local buckling.

Method for Estimating Fatigue Crack Propagation Rate for a Crack in Welded Joints Reviewed

Kazuo Tateishi,Takeshi Hanji,Satoshi Yamada,Makoto Abe

Steel Construction Engineering, JSSC Vol. 8 ( 31 ) page： 11-16 2001.9

Language：Japanese Publishing type：Research paper (scientific journal)

Recently, a lot of fatigue cracks have been found in steel bridges to the increase of the large-scale vehicles in number as well as weight. In order to consider a repairing this study, a method to estimate the fatigue crack propagation rate is proposed, which is based on the crack opening width measured by image analysis on a digital image recorded with a portable digital microscope. The accuracy and limitation of the method were investigated through a fatigue test carried out on a fatigue crack in welded joint specimen.

Estimation method for crack propagation behavior in welded joint Reviewed

Kazuo Tateishi,Takeshi Hanji,Makoto Abe

Proceedings of the 6th Korea-Japan Joint Seminar on Steel bridges page： 369-373 2001.8

第２東名高速道路・山間部の橋梁群

舘石和雄

土木学会誌 Vol. 86 ( 1 ) page： 59-62 2001.1

Monitoring system for fatigue crack propagation by image analysis

Kazuo Tateishi, Takeshi Hanji, Makoto Abe

Current and Future Trends in Bridge Design, Construction and Maintenance Vol. 2 page： 256-260 2001

溶接継手部に生じた疲労き裂の応力拡大係数の推定手法 Reviewed

舘石和雄，判治剛，山田聡，阿部允

鋼構造年次論文報告集 Vol. 8 page： 617-620 2000.11

Fatigue strength of the joint between steel plate and steel reinforcement in composite decks Reviewed

kazuo Tateishi, Koji Ota,Kiyoshi Suzuki

Journal of Structural Engineering, JSCE Vol. 46A page： 1555-1560 2000.3

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

In steel-concrete composite bridge decks, steel beams and steel reinforcement are placed longitudinally or transversally. At the intersection between steel beam and steel reinforcement, welding is sometimes provided in order to fix the position of reinforcement during construction period. In this study, fatigue strength of the welded joint between steel plate and steel reinforcement was investigated experimentally. The test results showed that this type of welded joint had relatively high fatigue strength and could be categorized into D class in JSSC codes, because welding residual stress around the welded part and geometrical stress concentration was small.

Low Cycle Fatigue of concrete Filled Steel Tube Members Reviewed

Kazuo Tateishi,Tomoya Saito,Kiyomitu Murata

Proc.of the 7th International Symposium on Stuctural Failure and Plasticity page： 679-684 2000

Language：English

Low cycle fatigue, Which is one of the final failure modes of Concrete Filled steel Tube (CFT) members, was investigated experimentally. In Order to estimate the low cycle fatigue strength, strain behaviors in the steel tube must be investigated in detail. In this study, a new strain measuring system based on the photogrammetry technique was applied. This method made it possible to measure the large strains around the buckling portion and reveal the unique characteristics of the strain field. Based on the measured strain date, low cycle fatigue assessment was performed. As result, it was shown that this assessment was effective to deal with the crack problem in CFT members.

CFT部材の鋼管のひずみ挙動に関する研究 Reviewed

斉藤智也、舘石和雄

コンクリート工学年次論文報告集 Vol. 22 ( 3 ) page： 1045-1050 2000

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