Faculty Profiles - TATEISHI Kazuo

Papers - TATEISHI Kazuo

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Probabilistic Study on Fatigue Strength of Longitudinal Welded Joints Reviewed

Kazuo Tateishi,Chitoshi Miki, Kyung K.S

Proc.of the 5th EASEC page： 1641-1646 1995

Fatigue Damage of Shoes in Plate Girder Bridges and Improvement of Their Details Reviewed

Kazuo Tateishi,Toru Natori,Chitoshi Miki

J. of Structural Mechanics and Earthquake Engineering, JSCE Vol. I-27 ( 489 ) page： 167-176 1994.4

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

Fatigue damages around shoe of plate girder bridges were investigated focusing on the two causes, the deterioration of movability of she and the gap between sole plate and lower flange of main girder. The results of fatigue test and FEM analysis showed that these two causes raised high stress concentration around she leading to fatigue crackings. Five types of improved details in order to prevent fatigue around shoe were tested and their effectiveness were discussed.

Fatigue Strength of Scallop Details in Steel Bridges Reviewed

Chitoshi Miki,Kazuo Tateishi,Kenji Ishihara,Katsuya Kajimoto

J. of Structural Mechanics and Earthquake Engineering, JSCE Vol. I-27 ( 483 ) page： 79-86 1994.1

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

Fatigue strengths of scallop details in welded structural members were investigated by experiment and FEM analysis. Fatigue strength of this detail based on nominal stress was extremely low because high stress concentration occurred in the gap of scallop. Fatigue strength based on hot spot stress are potted on narrow band above the JSSC`s E class design curve ( 80MPa for 2×106 Cycles), which shows that fatigue assessment method based on the hot spot stress is valid for estimating fatigue strength of scallop details.

Probabilistic Study on Influence of Blowholes on Fatigue Strength of Longitudinal Welded Joint Reviewed

Chitoshi Miki,Kazuo Tateishi,Kyung K.S

Vol. 43 ( 487 ) page： 421-426 1994

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

The influence of blowholes on the fatigue strength of members with longitudinal welded
Joints was investigated by probabilistic approach. Random variables and parameters used were blowhole size, member length, probability of fatigue crack occurrence from blowholes, distribution of stress range and parameter C in paris`s law. Probabilistic functions of these variables were given from the results of previous fatigue tests or field measurements. By parametrical analysis, the influences of the above random valiables on the fatigue strength of longitudinal welded joints were evaluated quantitatively.

A Study on Fastigue Strength of Scallop Details under Out‐of‐Plane Displacement Reviewed

Chitoshi Miki,Kazuo Tateishi,J.F.Ricci,Katsuya Kajimoto

Jourhal of Structural Engineering, JSCE Vol. 39A page： 989-998 1993.3

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

Most fatigue cracks in bridges are observer at the welded joints between longitudinal members and perpendicular members. At their crossing connections, scallops are set up to avoid the crossing-over of some welded lines. In this type of structural detail, the forces transmitted through secondary members in duce the out-of-plane bending deformation to the gap in scallop. To investigate the fatigue strength of scallop detail with out-of-plane bending stresses, experimental study was carried out. The stress distribution around scallop changed due to the scallop size, and some different types of fatigue cracks occurred in each type of specimen. Fatigue strength arranged by the `hot spot stress'was over 60 MPa FOR 2x106 cycles.

Numerical Simulation of Ultrasonic Pulse-Echo Inspection Reviewed

Chitoshi Miki,Kiyohiro Ikeda,Kazuo Tateishi,Masanori Takahashi

J. of Structural Mechanics and Earthquake Engineering, JSCE Vol. I-22 ( 459 ) page： 39-48 1993.1

Fatigue strength of fillet-welded joints containing root discontinuities Reviewed

Chitoshi Miki,Kazuo Tateishi ,Heng-da Fan, Masato Tanaka

International Journal of Fatigue Vol. 15 ( 2 ) page： 133-140 1993

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

In order to examine the fatigue performance of fillet-welded joints containing root crack or root-gap defects, fatigue tests are carried out. The specimens consist of two series; the first series are non-load-carrying cruciform, load- carrying cruciform and longitudinally welded joints. The second series are all load-carrying cruciform joints and have four kinds of details with various root- gap sizes and leg length. The test results indicate that the fatigue strength of joints which contain defects is equal to or higher than that of joints with no defects.

ブローホールからの疲労き裂発生確率が縦方向溶接部材の疲労強度に及ぼす影響 Reviewed

三木千寿、舘石和雄、慶甲秀

第１２回材料・構造信頼性シンポジウム講演論文集 page： 108-112 1993

Material Dependence of Fatigue Strength of Longitudinal Welded Joints Reviewed

Kazuo Tateishi, Kyung K.S,Chitoshi Miki, Masato Tanaka

Proc.of the 4th EASEC page： 1321-1326 1993

Fatigue Strength of Cross Connection Details Reviewed

Chitoshi Miki,Kazuo Tateishi, J.F.Ricci, Katsuya Kajimoto

Proc.of the 4th EASEC page： 1279-1284 1993

A Study on the Local Stress Approach to the Fatigue Assessment Reviewed

Chitoshi Miki,Kazuo Tateishi,Yoshihiro Yamamoto,Masanobu Miyauchi

Journal of Structural Engineering, JSCE Vol. 38A page： 1055-1062 1992.3

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

For the fatigue assessment based on the local stress, it is important how to define the stress to assess the fatigue strength. In this study, the measurements and the analysis of the stress distributions near the welded toe are carried out on three different type of specimens. Through these results and the fatigue test date which has been obtained on these specimens, the method to define the local stress to assess the fatigue strength is investigated.

A Liveload Model for Fatigue Design on Steel Highway Bridges Reviewed

Chitoshi Miki, Kazuo Tateishi,Ichiro Sugimoto

J of Structural Mechanics and Earthquake Engineering, JSCE Vol. I-16 ( 432 ) page： 63-68 1991.7

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

Fatigue design load of highway bridges is studied by means of the simulation of variable amplitude section forces in bridge components. As the standard load for fatigue design, we propose the T-20 load ( a single truck load ) which is prescribed in Japanese Specification for highway bridges. The effects of multiple presence of truck vehicles in same lane, or in different double lanes are estimated in the form of a load factor γ1 and
γ2 respectively. And to estimate the effect of over-loading of truck vehicles, we propose a load factor γ3 .Using the T-20 load modified by load factor γ1,γ2
and γ3, fatigue design of steel highway can be simply be preformed.

Field Stress Measurements at the Connection Between Longitudinal and Transverse Ribs of Steel Deck Plates Reviewed

Chitoshi Miki,Kazuo Tateishi,Sentaro Takagi

Journal of Structural Engineering, JSCE Vol. 37A page： 1163-1168 1991.3

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

In order to investigate the behavior at the longitudinal and transverse ribs connections of steel deck plates, stress measurements were carried out on two bridges in TOKYO. From the measured stresses, the influence lines of the longitudinal and the transverse ribs were calculated by using inversed problem concepts. F. E. M. analysis was applied to make clear the relationship between various distortion modes and fluctuations of local stress.

Remaining Fatigue Life Evaluation and Life Extension of Steel Bridges Reviewed

Chitoshi Miki,Kazuo Tateishi

Proc.of the 3rd EASEC page： 1017-1022 1991

Fatigue Crack Experiences in Steel Bridges Reviewed

Chitoshi Miki,Kazuo Tateishi,Masahiro Sakano

Proc.of the 3rd EASEC page： 821-828 1991

超音波の数値シュミュレーションと非破壊検査への応用

三木千寿、舘石和雄、高橋政則

土木工学における非破壊評価シンポジュウム講演論文集 page： 43-50 1991

散乱超音波法による欠陥形状識別の試み

三木千寿、舘石和雄、高橋政則、梅田晶一、加藤昌弘

土木工学における非破壊評価シンポジュウム講演論文集 page： 81-86 1991

青森大橋（仮称）上部工の施工計画

石橋忠良，舘石和雄，大庭光商，竹内研一

橋梁と基礎 Vol. 24 ( 6 ) page： 9-16 1990.6

The Effects of Drying Shrinkage on the Design of PRC Structure Reviewed

Kazuo Tateishi,Mitsuaki Ohba,Kenichi Takeuchi,Takeshi Tsuyoshi

Journal of Structural Engineering, JSCE Vol. 36A page： 1185-1190 1990.3

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

Prestressed Reinforced Concrete ( PRC ) structure is applied for more than 50 spans of railway bridges. On the design of the PRC structure, the effects of drying shrinkage and creep strain are very important. But even now, the design method to estimate their effects precisely is not established. This paper reports the effects of drying shrinkage and creep strain in some test designs. And through the experimental results and the measurements of an actual PRC bridge, the method to estimate the relation between drying shrinkage and the stress of concrete or reinforcement is investigated.

PRC桁のひびわれ幅に関する一考察 Reviewed

舘石和雄、石橋忠良、津吉毅

コンクリート工学年次論文報告書 Vol. 12 ( 2 ) page： 167-172 1990

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

旧国鉄時代から、鉄道橋においてPRC桁は、すでに50連以上の施工実績がある。また、昭和62年には「PRCけた設計指針(案）」を作成するに至っており、その適用は今後さらに一般化するものと思われる。PRC桁は、その使用状態でひび割れ発生を許容する。現在、設計法が、許容応力度設計法から限界状態設計法に移行段階であるが、限界状態設計法において、使用限界状態は、ひびわれとたわみで制御される。従って、ひびわれに関する設計法は非常に重要であり、そのためにも曲げひびわれは場の適切な算定方法の確立が望まれるが、現在までのところ曲げひびわれ幅を適切に評価する手法は必ずしも確立しているとはいえない。そこで、RC桁の若干のプレストレスを導入した現在のPRC桁（アウトケーブル）でひび割れ調査を行い、その結果をもとに、より精度の高い最大ひびわれ幅算定手法を確立するために、ひびわれ幅におよぼす乾燥収縮の影響を中心に考察を行った。

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