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1

Closure to “ Estimation of Damping Ratio of Cable‐Stayed Bridges for Seismic Design ” by Kazuhiko Kawashima, Shigeki Unjoh, and Meguru Tsunomoto (April, 1993, Vol. 119, No. 4)

Kawashima, Kazuhiko, Unjoh, Shigeki, Tsunomoto, Meguru

Journal:

Journal of Structural Engineering

Year:

1994

Language:

english

File:

PDF, 232 KB

english, 1994

2

Closure to “Seismic Response Control of Bridges by Variable Dampers” by Kazuhiko Kawashima and Shigeki Unjoh

Kawashima, Kazuhiko, Unjoh, Shigeki

Journal:

Journal of Structural Engineering

Year:

1996

Language:

english

File:

PDF, 349 KB

english, 1996

3

Energy Absorption Performance of the Cylindrical Rubber Shock Absorber.

KOSHITOUG, Masahiro, UNJOH, Shigeki, ADACHI, Yukio, NAGAYA, Kazuhiro

Journal:

Doboku Gakkai Ronbunshu

Year:

2001

File:

PDF, 7.76 MB

2001

4

Detectability of delamination regions using infrared thermography in concrete members strengthened by CFRP jacketing

Gu, Jian-Cheng, Unjoh, Shigeki, Naito, Hideki

Journal:

Composite Structures

Year:

2020

File:

PDF, 4.36 MB

2020

5

Earthquake simulation test of circular reinforced concrete bridge column under multidirectional seismic excitation

Sakai Junichi, Unjoh Shigeki

Journal:

Earthquake Engineering and Engineering Vibration

Year:

2006

File:

PDF, 353 KB

2006

6

Seismic Response Control of Bridges by Variable Dampers

Kawashima, Kazuhiko, Unjoh, Shigeki

Journal:

Journal of Structural Engineering

Year:

1994

Language:

english

File:

PDF, 1.19 MB

english, 1994

7

Estimation of Damping Ratio of Cable‐Stayed Bridges for Seismic Design

Kawashima, Kazuhiko, Unjoh, Shigeki, Tunomoto, Meguru

Journal:

Journal of Structural Engineering

Year:

1993

Language:

english

File:

PDF, 1.19 MB

english, 1993

8

[American Society of Civil Engineers Research Frontiers at Structures Congress 2007 - Long Beach, California, United States (May 16-19, 2007)] Structural Engineering Research Frontiers - Shake Table Experiment on Circular Reinforced Concrete Bridge Column under Multidirectional Seismic Excitation

Sakai, Junichi, Unjoh, Shigeki

Year:

2007

Language:

english

File:

PDF, 1.10 MB

english, 2007

9

Seismic retrofit of existing highway bridges in Japan

Shigeki Unjoh, Toru Terayama, Yukio Adachi, Jun-ichi Hoshikuma

Journal:

Cement and Concrete Composites

Year:

2000

Language:

english

File:

PDF, 1.07 MB

english, 2000

10

Effect of earthquake ground motions on soil liquefaction

Unjoh, Shigeki, Kaneko, Masahiro, Kataoka, Shojiro, Nagaya, Kazuhiro, Matsuoka, Kazunari

Journal:

SOILS AND FOUNDATIONS

Year:

2012

Language:

english

File:

PDF, 3.07 MB

english, 2012

11

THE DAMAGE OF HIGHWAY BRIDGES IN THE 1995 HYOGO-KEN NANBU EARTHQUAKE AND ITS IMPACT ON JAPANESE SEISMIC DESIGN

KAWASHIMA, KAZUHIKO, UNJOH, SHIGEKI

Journal:

Journal of Earthquake Engineering

Year:

1997

Language:

english

File:

PDF, 4.74 MB

english, 1997

12

Estimation of the seismic shear deformation of the underground structure based on the shear strain transmitting characteristics between ground and structure.

NISHIOKA, Tsutomu, UNJOH, Shigeki

Journal:

Doboku Gakkai Ronbunshu

Year:

2002

File:

PDF, 1.48 MB

2002

13

DYNAMIC RESPONSE ANALYSES USING FIBER ELEMENT FOR SHAKE TABLE TEST OF FULL-SCALE REINFORCED CONCRETE BRIDGE COLUMN THAT FAILED IN SHEAR AT CUT-OFF POINT OF LONGITUDINAL REINFORCEMENT

SAKAI, Junichi, UNJOH, Shigeki

Journal:

Journal of Japan Society of Civil Engineers Ser A1 (Structural Engineering & Earthquake Engineering (SE/EE))

Year:

2009

File:

PDF, 1.47 MB

2009

14

Damage of Bridges due to the 2010 Maule, Chile, Earthquake

Kawashima, Kazuhiko, Unjoh, Shigeki, Hoshikuma, Jun-Ichi, Kosa, Kenji

Journal:

Journal of Earthquake Engineering

Year:

2011

Language:

english

File:

PDF, 3.75 MB

english, 2011

15

Seismic Performance of a Full-Size Polypropylene Fiber-Reinforced Cement Composite Bridge Column Based on E-Defense Shake Table Experiments

Kawashima, Kazuhiko, Zafra, Richelle G., Sasaki, Tomohiro, Kajiwara, Koichi, Nakayama, Manabu, Unjoh, Shigeki, Sakai, Junichi, Kosa, Kenji, Takahashi, Yoshikazu, Yabe, Masaaki

Journal:

Journal of Earthquake Engineering

Year:

2012

Language:

english

File:

PDF, 7.16 MB

english, 2012

16

SPIE Proceedings [SPIE 1999 Symposium on Smart Structures and Materials - Newport Beach, CA (Monday 1 March 1999)] Smart Structures and Materials 1999: Smart Systems for Bridges, Structures, and Highways - Development of shape memory alloy damper for intelligent bridge systems

Adachi, Yukio, Unjoh, Shigeki, Liu, S.-C.

Year:

1999

Language:

english

File:

PDF, 2.44 MB

english, 1999

17

SPIE Proceedings [SPIE SPIE's 8th Annual International Symposium on Smart Structures and Materials - Newport Beach, CA (Sunday 4 March 2001)] Smart Structures and Materials 2001: Smart Systems for Bridges, Structures, and Highways - Seismic damage sensing of bridge structures with TRIP reinforcement steel bars

Adachi, Yukio, Unjoh, Shigeki, Liu, S.-C.

Year:

2001

Language:

english

File:

PDF, 519 KB

english, 2001

18

SPIE Proceedings [SPIE Nondestructive Evaluation Techniques for Aging Infrastructures & Manufacturing - Newport Beach, CA (Wednesday 3 March 1999)] Nondestructive Evaluation of Bridges and Highways III - Nondestructive damage detection and evaluation technique for seismically damaged structures

Adachi, Yukio, Unjoh, Shigeki, Kondoh, Masuo, Ohsumi, Michio, Chase, Steven B.

Year:

1999

Language:

english

File:

PDF, 2.26 MB

english, 1999

19

Impact of Hanshin/Awaji earthquake on seismic design and seismic strengthening of highway bridges.

Kawashima, Kazuhiko, Unjoh, Shigeki

Journal:

Doboku Gakkai Ronbunshu

Year:

1997

Language:

english

File:

PDF, 14.35 MB

english, 1997

20

DAMAGE CHARACTERISTIC OF BRIDGES DUE TO 2010 CHILE EARTHQUAKE

KAWASHIMA, Kazuhiko, UNJOH, Shigeki, Hoshikuma, Jun-ichi, KOSA, Kenji

Journal:

Journal of Japan Society of Civil Engineers Ser A1 (Structural Engineering & Earthquake Engineering (SE/EE))

Year:

2010

File:

PDF, 1.74 MB

2010

21

SEISMIC PERFORMANCE OF A FLEXURAL FAILURE TYPE REINFORCED CONCRETE BRIDGE COLUMN BASED ON E-DEFENSE EXCITATION

KAWASHIMA, Kazuhiko, SASAKI, Tomohiro, KAJIWARA, Koichi, UKON, Hiromichi, UNJOH, Shigeki, SAKAI, Junichi, TAKAHASHI, Yoshikazu, KOSA, Kenji, YABE, Masaaki

Journal:

STRUCTURAL ENGINEERING / EARTHQUAKE ENGINEERING

Year:

2009

Language:

english

File:

PDF, 8.55 MB

english, 2009

22

SEISMIC PERFORMANCE OF A FLEXURAL FAILURE TYPE REINFORCED CONCRETE BRIDGE COLUMN BASED ON E-DEFENSE EXCITATION

KAWASHIMA, Kazuhiko, SASAKI, Tomohiro, KAJIWARA, Koichi, UKON, Hiromichi, UNJOH, Shigeki, SAKAI, Junichi, TAKAHASHI, Yoshikazu, KOSA, Kenji, YABE, Masaaki

Journal:

Doboku Gakkai Ronbunshuu A

Year:

2009

Language:

english

File:

PDF, 8.56 MB

english, 2009

23

Seismic Response Control of Bridges by Variable Dampers.

Kawashima, Kazuhiko, Unjoh, Shigeki

Journal:

Doboku Gakkai Ronbunshu

Year:

1994

File:

PDF, 3.61 MB

1994

24

An inspection method of seismic vulnerability of existing highway bridges.

KAWASHIMA, Kazuhiho, UNJOH, Shigeki

Journal:

Doboku Gakkai Ronbunshu

Year:

1990

Language:

english

File:

PDF, 966 KB

english, 1990

25

A Seismic Evaluation Method for Reinforced Concrete Bridge Piers with Inadequate Anchoring Length at Termination of Main Reinforcements.

Kawashima, Kazuhiko, Hoshikuma, Jun-ichi, Unjoh, Shigeki

Journal:

Doboku Gakkai Ronbunshu

Year:

1995

File:

PDF, 5.39 MB

1995

26

EXPERIMENTAL STUDIES ON ENHANCEMENT OF SEISMIC PERFORMANCE OF REINFORCED CONCRETE COLUMNS BASED ON ARRANGEMENT OF LONGITUDINAL REINFORCEMENT

HOSHIKUMA, Jun-ichi, UNJOH, Shigeki, NAGAYA, Kazuhiro, SHIOJIMA, Akihiko

Journal:

Doboku Gakkai Ronbunshu

Year:

2003

File:

PDF, 4.27 MB

2003

27

PROPOSAL OF REINFORCED CONCRETE COLUMNS WITH INTERLOCKING OVAL HOOPS AND FLEXURAL PERFORMANCE OF THE COLUMNS UNDER CYCLIC LOADING

HOSHIKUMA, Jun-ichi, UNJOH, Shigeki, SHIOJIMA, Akihiko

Journal:

Doboku Gakkai Ronbunshu

Year:

2004

File:

PDF, 1.95 MB

2004

28

EVALUATION OF SEISMIC PERFORMANCE OF A CIRCULAR REINFORCED CONCRETE BRIDGE COLUMN DESIGNED IN ACCORDANCE WITH THE CURRENT DESIGN CODE BASED ON E-DEFENSE EXCITATION

KAWASHIMA, Kazhiko, SASAKI, Tomohiro, UKON, Hiromichi, KAJIWARA, Koichi, UNJOH, Shigeki, SAKAI, Jyunichi, KOSA, Kenji, TAKAHASHI, Yoshikazu, YABE, Masaaki, MATSUZAKI, Hiroshi

Journal:

Doboku Gakkai Ronbunshuu A

Year:

2010

File:

PDF, 3.01 MB

2010

29

EARTHQUAKE-TSUNAMI DAMAGE SIMULATION OF A HIGHWAY BRIDGE OF WHICH SUPERSTRUCTURE AND A PIER WERE WASHED OUT

KATAOKA, Shojiro, KANEKO, Masahiro, MATSUOKA, Kazunari, NAGAYA, Kazuhiro, UNJOH, Shigeki

Journal:

Journal of Japan Society of Civil Engineers Ser A1 (Structural Engineering & Earthquake Engineering (SE/EE))

Year:

2013

File:

PDF, 1.51 MB

2013

30

DEVELOPMENT OF RAPID REPAIR METHOD FOR REINFORCED CONCRETE BRIDGE COLUMN DAMAGED IN FLEXURE AT BOTTOM OF COLUMN DUE TO EARTHQUAKE

SAKAI, Junichi, UNJOH, Shigeki

Journal:

Journal of Japan Society of Civil Engineers Ser A1 (Structural Engineering & Earthquake Engineering (SE/EE))

Year:

2009

File:

PDF, 1.97 MB

2009

31

Size Effect on Inelastic of Reinforced Concrete Columus Subjected to Cyclic Loading.

HOSHIKUMA, Jun-ichi, UNJOH, Shigeki, NAGAYA, Kazuhiro

Journal:

Doboku Gakkai Ronbunshu

Year:

2001

File:

PDF, 7.94 MB

2001

32

Plastic hinge length of reinforced concrete columns based on the buckling characteristics of longitudinal reinforcement.

ASAZU, Naoki, UNJOH, Shigeki, HOSHIKUMA, Jun-ichi, KONDOH, Masuo

Journal:

Doboku Gakkai Ronbunshu

Year:

2001

File:

PDF, 8.31 MB

2001

33

AN ANALYTICAL METHOD FOR THE SEISMIC DESIGN OF CIRCULAR SHIELD TUNNELS IN THE CROSS SECTION BASED ON THE SEISMIC SHEAR DEFORMATION

NISHIOKA, Tsutomu, UNJOH, Shigeki

Journal:

Doboku Gakkai Ronbunshu

Year:

2004

File:

PDF, 1.60 MB

2004

34

ANALYTICAL INVESTIGATION ON ME CHANISM OF DECK UNSEATING UNDER EXTREME EARTHQUAKE AND EFFECTS OF UNSEATING PREVENTION DEVICES ON SEIS MIC BEHAVIOR OF BRIDGES

SAKAI, Junichi, UNJOH, Shigeki, HOSHIKUMA, Jun-ichi

Journal:

Journal of Japan Society of Civil Engineers Ser A1 (Structural Engineering & Earthquake Engineering (SE/EE))

Year:

2011

File:

PDF, 3.08 MB

2011

35

SEISMIC RETROFIT OF RC BRIDGE COLUMNS USING COMBINATION OFCARBON FIBER REINFORCED POLYMER SHEET AND STEEL JACKETING

ZHANG, Guangfeng, HOSHIKUMA, Jun-ichi, SAKAI, Jun-ichi, UNJOH, Shigeki

Journal:

Journal of Japan Society of Civil Engineers Ser A1 (Structural Engineering & Earthquake Engineering (SE/EE))

Year:

2011

File:

PDF, 2.61 MB

2011

36

Analysis of damping characteristics of a cable stayed bridge based on strong motion records.

KAWASHIMA, Kazuhiko, UNJOH, Shigeki, AZUTA, Youichi

Journal:

Doboku Gakkai Ronbunshu

Year:

1990

Language:

english

File:

PDF, 1.13 MB

english, 1990

37

SHAKING TABLE TESTS OF BRIDGES ISOLATED BY SLIDING BEARINGS

ENDO, Kazuo, OKADA, Takao, UNJOH, Shigeki

Journal:

Doboku Gakkai Ronbunshuu A

Year:

2007

File:

PDF, 2.93 MB

2007

38

RESPONSE CHARACTERISTICS OF BRIDGE ABUTMENTS SUBJECTED TO COLLISION OF GIRDER DURING AN EARTHQUAKE

OGURA, Yuusuke, UNJOH, Shigeki

Journal:

STRUCTURAL ENGINEERING / EARTHQUAKE ENGINEERING

Year:

2006

Language:

english

File:

PDF, 532 KB

english, 2006

39

EFFECT OF COVER CONCRETE ON ANTI-BUCKLING OF LONGITUDINAL BARS IN REINFORCED CONCRETE COLUMNS

HOSHIKUMA, Jun-ichi, UNJOH, Shigeki, SHIOJIMA, Akihiko

Journal:

STRUCTURAL ENGINEERING / EARTHQUAKE ENGINEERING

Year:

2006

Language:

english

File:

PDF, 807 KB

english, 2006

40

Damping characteristics of cable-stayed bridges associated with energy dissipation at movable supports.

KAWASHIMA, Kazuhiko, UNJOH, Shigeki

Journal:

Doboku Gakkai Ronbunshu

Year:

1989

Language:

english

File:

PDF, 944 KB

english, 1989

41

DEVELOPMENT OF AN EARTHQUAKE DAMAGE EVALUATION METHOD FOR BRIDGE STRUCTURES USING ACCELERATION SENSORS

KOBAYASHI, Hiroshi, UNJOH, Shigeki, KANOU, Takumi

Journal:

STRUCTURAL ENGINEERING / EARTHQUAKE ENGINEERING

Year:

2008

Language:

english

File:

PDF, 919 KB

english, 2008

42

SEISMIC DESIGN OF HIGHWAY BRIDGES

KAWASHIMA, Kazuhiko, UNJOH, Shigeki

Year:

2004

Language:

english

File:

PDF, 138 KB

english, 2004

43

SEISMIC RETROFIT OF HIGHWAY BRIDGES

Year:

2004

Language:

english

File:

PDF, 526 KB

english, 2004